/* roulang page: index */
:root{
  --lime:#C7F53B;
  --lime-deep:#9BD400;
  --ink:#0F1A16;
  --orange:#FF6B2C;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --text-2:#5C6B63;
  --text-3:#94A3B8;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-btn:999px;
  --sh-1:0 1px 2px rgba(15,26,22,.04),0 12px 32px rgba(15,26,22,.08);
  --sh-2:0 18px 44px rgba(15,26,22,.14);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-style:none;background:#E3E8DF;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
::selection{background:rgba(199,245,59,.5);color:var(--ink);}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section-alt{background:#EFF3EC;}

/* ---------- top bar ---------- */
.topbar{background:var(--ink);color:#C8D2CB;font-size:13px;letter-spacing:.02em;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:var(--lime);transition:color .16s ease;white-space:nowrap;}
.topbar-link svg{transition:transform .16s ease;}
.topbar-link:hover{color:#fff;}
.topbar-link:hover svg{transform:translateX(3px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease;}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(15,26,22,.06);}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;flex:0 0 auto;}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);display:grid;place-items:center;box-shadow:0 6px 16px rgba(70,224,168,.35);flex:0 0 auto;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:12px;}
.nav-menu a{position:relative;display:inline-block;padding:10px 13px;font-size:15px;color:var(--text-2);border-radius:10px;transition:color .16s ease,background-color .16s ease;}
.nav-menu a:hover{color:var(--lime-deep);background:rgba(199,245,59,.14);}
.nav-menu a.active{color:var(--ink);font-weight:600;}
.nav-menu a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:3px;background:var(--lime);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);transition:border-color .16s ease,background-color .16s ease;}
.burger:hover{border-color:var(--lime-deep);background:rgba(199,245,59,.14);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease,filter .16s ease;}
.btn svg{flex:0 0 auto;}
.btn-primary{background:var(--grad);color:var(--ink);box-shadow:0 8px 22px rgba(70,224,168,.32);}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 32px rgba(70,224,168,.42);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);filter:saturate(.9) brightness(.98);}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid rgba(15,26,22,.15);border-radius:14px;}
.btn-ghost:hover{border-color:var(--lime-deep);color:var(--lime-deep);background:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:rgba(255,255,255,.07);color:#fff;border:1.5px solid rgba(255,255,255,.34);}
.btn-light:hover{background:rgba(255,255,255,.16);border-color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.42;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(15,26,22,.96) 0%,rgba(15,26,22,.87) 44%,rgba(23,184,201,.42) 100%);}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:84px 0 92px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(199,245,59,.14);border:1px solid rgba(199,245,59,.36);color:var(--lime);font-size:13px;letter-spacing:.04em;}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin:22px 0 20px;}
.hero-sub{font-size:17px;line-height:1.8;color:#C8D2CB;max-width:540px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{margin-top:20px;font-size:13px;color:#94A3B8;letter-spacing:.01em;}
.hero-visual{position:relative;}
.hero-card{border-radius:var(--r-xl);overflow:hidden;border:1px solid rgba(255,255,255,.14);background:#16241F;box-shadow:0 26px 64px rgba(0,0,0,.46);}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{position:absolute;left:-16px;bottom:-18px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-radius:18px;padding:12px 20px;box-shadow:var(--sh-1);color:var(--ink);}
.hero-badge b{display:block;font-size:24px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:12px;color:var(--text-2);}

/* ---------- section head ---------- */
.section-head{max-width:740px;margin-bottom:40px;}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;color:#6F9C00;background:rgba(199,245,59,.24);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}

/* ---------- pain pills ---------- */
.pain-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.pain-item{display:flex;align-items:center;gap:12px;padding:16px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:15px;color:var(--text);transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;}
.pain-item:hover{border-color:var(--lime-deep);box-shadow:var(--sh-1);transform:translateY(-2px);}
.pain-q{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(199,245,59,.3);color:#6F9C00;display:grid;place-items:center;font-weight:800;font-size:14px;line-height:1;}

/* ---------- solutions ---------- */
.solutions{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.sol-main{display:grid;grid-template-columns:1.05fr 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease;}
.sol-main:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.sol-main-img{overflow:hidden;}
.sol-main-img img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform .5s ease;}
.sol-main:hover .sol-main-img img{transform:scale(1.04);}
.sol-main-body{padding:34px 32px;display:flex;flex-direction:column;gap:14px;}
.sol-main-body h3{font-size:22px;line-height:1.4;font-weight:700;letter-spacing:-.01em;}
.sol-main-body p{color:var(--text-2);font-size:15px;}
.sol-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.sol-small{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.sol-small:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(155,212,0,.45);}
.sol-small h3{font-size:19px;line-height:1.4;font-weight:700;}
.sol-small p{color:var(--text-2);font-size:15px;}
.sol-icon{width:48px;height:48px;border-radius:16px;background:rgba(199,245,59,.26);color:#6F9C00;display:grid;place-items:center;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--lime-deep);margin-top:auto;transition:color .16s ease;}
.link-arrow svg{transition:transform .16s ease;}
.link-arrow:hover{color:#7BAE00;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{border-radius:var(--r-lg);padding:28px 26px;background:linear-gradient(135deg,rgba(199,245,59,.95) 0%,rgba(70,224,168,.82) 100%);color:var(--ink);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-num{font-size:clamp(32px,5vw,56px);line-height:1;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;letter-spacing:0;}
.stat-label{font-size:14px;color:#22352C;margin-top:12px;}
.stats-note{margin-top:20px;font-size:13px;color:var(--text-3);}

/* ---------- news ---------- */
.news-wrap{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.news-feature{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.news-feature:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(155,212,0,.45);}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-feature-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-feature-body h3{font-size:22px;line-height:1.45;font-weight:700;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-feature-body p{color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-rows{display:grid;gap:14px;align-content:start;}
.news-row{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-img);padding:18px 20px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.news-row:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(155,212,0,.45);}
.news-row h4{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);}
.news-row .news-meta{margin-top:10px;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(199,245,59,.24);color:#6F9C00;font-size:12px;font-weight:600;white-space:nowrap;}
.news-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:60px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);color:var(--text-3);}
.news-empty svg{color:var(--text-3);}

/* ---------- cta bar ---------- */
.cta-bar{position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-xl);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;}
.cta-bar::after{content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(199,245,59,.36),transparent 68%);pointer-events:none;}
.cta-bar-text{position:relative;z-index:1;max-width:640px;}
.cta-bar-text h2{font-size:clamp(20px,2.2vw,28px);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.cta-bar-text p{margin-top:10px;font-size:15px;color:#C8D2CB;}
.cta-bar .btn{position:relative;z-index:1;flex:0 0 auto;}
.privacy-note{margin-top:16px;font-size:13px;line-height:1.7;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;align-content:start;}
.faq-item{position:relative;border-bottom:1px solid var(--line);}
.faq-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:transparent;transition:background-color .2s ease;}
.faq-item.open::before{background:var(--lime);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 0 14px 16px;font-size:16px;font-weight:600;text-align:left;color:var(--text);line-height:1.5;transition:color .16s ease;}
.faq-q:hover{color:var(--lime-deep);}
.faq-q svg{flex:0 0 auto;color:var(--text-2);transition:transform .24s ease;}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 8px 22px 16px;font-size:15px;color:var(--text-2);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C8D2CB;padding:64px 0 0;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#94A3B8;max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:16px;}
.footer-links li+li{margin-top:10px;}
.footer-links a{font-size:14px;color:#C8D2CB;transition:color .16s ease;}
.footer-links a:hover{color:var(--lime);}
.footer-contact p{font-size:14px;line-height:1.8;color:#94A3B8;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:13px;color:#8C9992;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
.footer-bottom a{color:#C8D2CB;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- float button ---------- */
.float-btn{position:fixed;right:24px;bottom:28px;z-index:80;display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 26px;border-radius:999px;background:var(--grad);color:var(--ink);font-size:15px;font-weight:700;box-shadow:0 14px 34px rgba(70,224,168,.45);transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(70,224,168,.5);filter:brightness(1.05);}
.float-btn:active{transform:translateY(0);}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(15,26,22,.58);z-index:105;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:110;background:var(--ink);color:#fff;display:flex;flex-direction:column;padding:24px;transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:28px;}
.drawer-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;color:#fff;transition:background-color .16s ease,border-color .16s ease;}
.drawer-close:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.drawer-nav a{display:block;padding:14px 4px;font-size:16px;color:#E4EAE6;border-bottom:1px solid rgba(255,255,255,.08);transition:color .16s ease,padding-left .16s ease;}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--lime);padding-left:10px;}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot .btn{width:100%;}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;}
.modal.open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(15,26,22,.64);}
.modal-card{position:relative;max-width:920px;margin:5vh auto;background:#fff;border-radius:var(--r-xl);padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;box-shadow:0 30px 80px rgba(0,0,0,.36);max-height:90vh;overflow:auto;}
.modal-close{position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;background:#F5F7F3;color:var(--text);display:grid;place-items:center;transition:background-color .16s ease,color .16s ease;}
.modal-close:hover{background:var(--ink);color:#fff;}
.modal-title{font-size:24px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.modal-sub{margin-top:10px;font-size:14px;color:var(--text-2);}
.modal-form{margin-top:24px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field textarea{width:100%;height:48px;border:1px solid var(--line);border-radius:14px;padding:0 16px;background:#fff;transition:border-color .16s ease,box-shadow .16s ease;}
.field textarea{height:112px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input[type="text"]:focus,
.field input[type="tel"]:focus,
.field textarea:focus{outline:none;border-color:var(--lime-deep);box-shadow:0 0 0 3px rgba(199,245,59,.3);}
.field.has-error input,.field.has-error textarea{border-color:var(--err);}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{position:relative;display:inline-flex;}
.chip input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer;}
.chip span{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--text-2);transition:background-color .16s ease,border-color .16s ease,color .16s ease;}
.chip input:checked+span{background:rgba(199,245,59,.24);border-color:var(--lime-deep);color:#5F8A00;font-weight:600;}
.chip input:focus-visible+span{outline:2px solid var(--ink);outline-offset:2px;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7;}
.check input{margin-top:4px;width:16px;height:16px;accent-color:#9BD400;flex:0 0 auto;}
.trust{background:#F5F7F3;border-radius:var(--r-lg);padding:28px;}
.trust h3{font-size:17px;font-weight:700;margin-bottom:18px;}
.trust ul li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.75;}
.trust ul li+li{margin-top:14px;}
.trust ul li svg{flex:0 0 auto;margin-top:4px;color:var(--lime-deep);}
.form-ok{display:none;margin-top:14px;padding:12px 16px;border-radius:14px;background:rgba(22,163,74,.1);color:#166534;font-size:14px;}
.form-ok.show{display:block;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-actions .btn-cta{display:none;}
  .burger{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 76px;}
  .hero-visual{order:-1;max-width:560px;}
  .hero-badge{left:auto;right:14px;bottom:-14px;}
  .solutions{grid-template-columns:1fr;}
  .sol-main{grid-template-columns:1fr;}
  .sol-main-img img{min-height:220px;aspect-ratio:16/9;height:auto;}
  .sol-side{grid-template-rows:auto auto;}
  .news-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .modal-card{grid-template-columns:1fr;gap:28px;margin:4vh 16px;padding:32px 24px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container{padding:0 18px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .nav-inner{height:64px;gap:12px;}
  .logo{font-size:17px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;}
  .pain-list{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat{padding:22px 20px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px;}
  .cta-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-desc{max-width:none;}
  .site-footer{padding-top:48px;}
  .hero-badge{position:static;display:inline-flex;align-items:center;gap:10px;margin-top:16px;background:#fff;left:auto;right:auto;bottom:auto;}
  .hero-badge b{font-size:20px;}
  .faq-q{font-size:15px;}
  .float-btn{left:18px;right:18px;bottom:0;height:60px;justify-content:center;border-radius:18px 18px 0 0;padding:0 20px calc(env(safe-area-inset-bottom));}
  body{padding-bottom:70px;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .sol-main-body{padding:26px 22px;}
  .sol-small{padding:24px 22px;}
  .news-feature-body{padding:22px 20px 24px;}
  .news-feature-body h3{font-size:19px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:34px;}
  .modal-card{padding:28px 18px;}
}

/* roulang page: article */
:root{
  --lime:#C7F53B;
  --lime-deep:#9BD400;
  --ink:#0F1A16;
  --orange:#FF6B2C;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --text-2:#5C6B63;
  --text-3:#94A3B8;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --grad-soft:linear-gradient(120deg,rgba(199,245,59,.22),rgba(70,224,168,.18),rgba(23,184,201,.14));
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-btn:999px;
  --r-btn2:14px;
  --sh-1:0 1px 2px rgba(15,26,22,.04);
  --sh-2:0 12px 32px rgba(15,26,22,.08);
  --sh-hover:0 18px 44px rgba(15,26,22,.14);
  --container:1200px;
  --space-y:88px;
  --t:180ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;background:var(--line);border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
::selection{background:rgba(199,245,59,.55);color:var(--ink)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1280px){:root{--container:1280px}}
.section{padding:var(--space-y) 0}
.section-tight{padding:56px 0}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--ink);color:#C8D2CB;font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-entry{display:inline-flex;align-items:center;gap:6px;color:var(--lime);font-weight:600;transition:color var(--t)}
.topbar-entry:hover{color:#fff}
.topbar-entry svg{transition:transform var(--t)}
.topbar-entry:hover svg{transform:translateX(4px)}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:border-color var(--t),box-shadow var(--t)}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(15,26,22,.06)}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:12px;background:var(--grad);display:grid;place-items:center;flex:none}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{position:relative;padding:9px 12px;border-radius:12px;font-size:14.5px;color:var(--text-2);transition:color var(--t),background var(--t)}
.nav-menu a:hover{color:var(--lime-deep);background:rgba(199,245,59,.14)}
.nav-menu a.active{color:var(--text);font-weight:600}
.nav-menu a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px;background:var(--lime)}
.nav-actions{display:flex;align-items:center;gap:10px}
.drawer-cta{display:none}
.burger{display:none;width:42px;height:42px;border-radius:14px;border:1.5px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:border-color var(--t),color var(--t)}
.burger:hover{border-color:var(--lime-deep);color:var(--lime-deep)}
.nav-scrim{position:fixed;inset:0;background:rgba(15,26,22,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70}
body.nav-open .nav-scrim{opacity:1;visibility:visible}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:600;border-radius:var(--r-btn);padding:13px 24px;font-size:15px;line-height:1.2;text-align:center;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t)}
.btn svg{transition:transform var(--t)}
.btn-primary{background:var(--grad);color:var(--ink);box-shadow:0 8px 20px rgba(70,224,168,.28)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--sh-hover);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:saturate(.85)}
.btn-ghost{background:#fff;color:var(--text);border:1.5px solid rgba(15,26,22,.15);border-radius:var(--r-btn2)}
.btn-ghost:hover{border-color:var(--lime-deep);color:var(--lime-deep)}
.btn-sm{padding:10px 17px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--lime-deep)}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ===== 面包屑 ===== */
.crumb-wrap{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}
.breadcrumb a{color:var(--text-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--lime-deep)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头 ===== */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(28px,3.6vw,44px);line-height:1.18;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:13.5px;color:var(--text-2)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(199,245,59,.28);color:var(--lime-deep);font-size:12.5px;font-weight:600;letter-spacing:.01em}
.badge-orange{background:rgba(255,107,44,.12);color:#C24A15}

/* ===== 文章布局 ===== */
.article-shell{padding:48px 0 0}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;max-width:1120px;margin:0 auto;align-items:start}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:clamp(22px,2.2vw,28px);line-height:1.3;margin:2.2em 0 .8em;scroll-margin-top:112px}
.article-body h2::before{content:"";display:inline-block;width:8px;height:20px;border-radius:4px;background:var(--grad);margin-right:10px;vertical-align:-2px}
.article-body h3{font-size:20px;font-weight:600;margin:1.8em 0 .7em;scroll-margin-top:112px}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body strong{font-weight:700}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--lime-deep);background:#fff;border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);box-shadow:var(--sh-1)}
.article-body img{margin:1.6em auto;border-radius:var(--r-img);height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
.article-body a{color:var(--lime-deep);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px}
.article-body a:hover{color:var(--ink)}
.article-body table{width:100%;max-width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;background:#fff;border-radius:var(--r-img);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:#F0F5EC;font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ===== 空态 ===== */
.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-xl);color:var(--text-2)}
.empty-state .empty-icon{width:56px;height:56px;border-radius:20px;background:#F0F5EC;display:grid;place-items:center;color:var(--text-3)}
.empty-state strong{font-size:17px;color:var(--text)}

/* ===== 侧栏 ===== */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;align-self:start}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.side-title{font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:6px;height:16px;border-radius:3px;background:var(--grad)}
.toc li{margin:2px 0}
.toc a{display:block;padding:8px 10px;border-radius:10px;font-size:13.5px;color:var(--text-2);line-height:1.6;transition:color var(--t),background var(--t)}
.toc a:hover{color:var(--lime-deep);background:#F0F5EC}
.toc-empty{font-size:13px;color:var(--text-3)}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:block;padding:12px 0;font-size:14px;line-height:1.65;color:var(--text);transition:color var(--t)}
.side-list a:hover{color:var(--lime-deep)}
.side-list .side-meta{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--text-3);margin-top:6px}

/* ===== 文末区 ===== */
.article-foot{max-width:760px;margin:44px auto 0;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text-2);transition:border-color var(--t),color var(--t)}
.tag:hover{border-color:var(--lime-deep);color:var(--lime-deep)}

/* ===== 相关推荐 ===== */
.related{padding:64px 0 0}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.related-head h2{font-size:clamp(22px,2.4vw,30px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rec-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D5DED0}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--line)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:17px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto}
.rec-meta .badge{font-size:12px;padding:4px 10px}

/* ===== CTA ===== */
.cta-band{margin-top:80px}
.cta-inner{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--ink);color:#E7EFE9;padding:44px 48px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-inner::after{content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;background:var(--grad-soft);filter:blur(8px);pointer-events:none}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);color:#fff;margin-bottom:10px}
.cta-copy p{font-size:15px;color:#AEBAB2;max-width:560px}
.cta-inner .btn{position:relative;z-index:1}
.privacy-note{margin-top:16px;font-size:13px;line-height:1.7;color:var(--text-2)}

/* ===== 浮动按钮 ===== */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:55;display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border:0;border-radius:999px;background:var(--grad);color:var(--ink);font-weight:700;font-size:14.5px;cursor:pointer;box-shadow:0 14px 34px rgba(15,26,22,.22);transition:transform var(--t),filter var(--t)}
.float-cta:hover{transform:translateY(-3px);filter:brightness(1.05)}
.float-cta:active{transform:translateY(0)}
.float-cta:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* ===== 弹层 ===== */
.modal{position:fixed;inset:0;z-index:90;display:none}
.modal.is-open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,26,22,.55);backdrop-filter:blur(3px)}
.modal-card{position:relative;z-index:1;width:min(920px,calc(100% - 32px));max-height:calc(100vh - 48px);overflow:auto;margin:5vh auto 0;background:#fff;border-radius:var(--r-xl);padding:34px;box-shadow:0 30px 80px rgba(15,26,22,.3)}
.modal-close{position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:border-color var(--t),color var(--t)}
.modal-close:hover{border-color:var(--lime-deep);color:var(--lime-deep)}
.modal-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px}
.modal-title{font-size:22px;margin-bottom:8px}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px}
.field input[type=text],.field input[type=tel],.field select,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:var(--r-btn2);padding:0 14px;height:48px;font-size:14px;background:#fff;transition:border-color var(--t),box-shadow var(--t);outline:none}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lime-deep);box-shadow:0 0 0 4px rgba(155,212,0,.14)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field-error{display:none;margin-top:7px;font-size:13px;color:var(--err)}
.field.has-error .field-error{display:block}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip span{display:inline-flex;align-items:center;padding:9px 15px;border-radius:999px;border:1.5px solid var(--line);font-size:13.5px;cursor:pointer;transition:border-color var(--t),color var(--t),background var(--t)}
.chip input:checked + span{border-color:var(--lime-deep);background:rgba(199,245,59,.2);color:var(--lime-deep);font-weight:600}
.chip input:focus-visible + span{outline:2px solid var(--ink);outline-offset:2px}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.6}
.checkbox-row input{margin-top:3px;width:16px;height:16px;accent-color:#9BD400}
.modal-aside{background:#F5F7F3;border-radius:var(--r-lg);padding:24px}
.modal-aside h3{font-size:15px;margin-bottom:12px}
.modal-aside li{font-size:13.5px;color:var(--text-2);padding-left:20px;position:relative;margin-bottom:9px;line-height:1.7}
.modal-aside li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--grad)}
.form-ok{display:none;padding:12px 14px;border-radius:var(--r-btn2);background:rgba(22,163,74,.1);color:var(--ok);font-size:13.5px;margin-bottom:14px}
.form-ok.show{display:block}
body.modal-open{overflow:hidden}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#C8D2CB;padding:72px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-desc{font-size:13.5px;line-height:1.8;color:#9EAAA3;max-width:320px}
.footer-title{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13.5px;color:#C8D2CB;transition:color var(--t)}
.footer-links a:hover{color:var(--lime)}
.footer-contact p{font-size:13.5px;color:#9EAAA3;line-height:1.8;margin-bottom:10px}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8B978F}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--space-y:56px}
  .nav-inner{gap:14px}
  .nav-menu{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--ink);flex-direction:column;align-items:stretch;gap:4px;padding:84px 18px 26px;margin-left:0;transform:translateX(103%);transition:transform 280ms ease;z-index:80;overflow-y:auto}
  body.nav-open .nav-menu{transform:translateX(0)}
  .nav-menu a{color:#E7EFE9;font-size:15.5px;padding:13px 12px;border-radius:14px}
  .nav-menu a:hover{background:rgba(199,245,59,.12);color:var(--lime)}
  .nav-menu a.active{background:rgba(199,245,59,.14);color:var(--lime)}
  .nav-menu a.active::after{display:none}
  .drawer-cta{display:inline-flex;margin-top:auto}
  .burger{display:inline-flex}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static;order:2}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .modal-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .topbar-text{display:none}
  .article-head h1{font-size:26px}
  .article-shell{padding-top:34px}
  .article-body table{display:block;overflow-x:auto}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:30px 24px;border-radius:var(--r-lg)}
  .modal-card{width:100%;max-height:100vh;height:100vh;margin:0;border-radius:0;padding:26px 20px 96px}
  .modal-sub{margin-bottom:16px}
  .float-cta{left:14px;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));justify-content:center;border-radius:14px}
  .site-footer{padding-top:52px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo{font-size:16px}
  .topbar-entry{font-size:12.5px}
  .article-meta{gap:8px 12px}
  .breadcrumb .current{max-width:200px}
  .side-card{padding:18px}
}

/* roulang page: category1 */
:root{
  --lime:#C7F53B;
  --lime-dark:#9BD400;
  --ink:#0F1A16;
  --orange:#FF6B2C;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --text-2:#5C6B63;
  --text-3:#94A3B8;
  --success:#16A34A;
  --warning:#F59E0B;
  --error:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-sm:14px;
  --shadow-s:0 1px 2px rgba(15,26,22,.04);
  --shadow-m:0 1px 2px rgba(15,26,22,.04),0 12px 32px rgba(15,26,22,.08);
  --shadow-l:0 18px 44px rgba(15,26,22,.14);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"Inter","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit;width:100%}
strong{font-weight:600}
svg{flex:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
@media (max-width:520px){.container{padding:0 18px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(15,26,22,.06)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.logo-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(120deg,#C7F53B,#46E0A8);flex:none;
}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-menu a{
  position:relative;display:inline-block;padding:8px 13px;border-radius:10px;
  font-size:15px;color:var(--text-2);
  transition:color .16s ease,background-color .16s ease;
}
.nav-menu a:hover{color:var(--lime-dark);background:rgba(199,245,59,.16)}
.nav-menu a.active{color:var(--ink);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:0;height:3px;border-radius:3px;background:var(--lime);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink);transition:border-color .16s ease,color .16s ease;
}
.burger:hover{border-color:var(--lime-dark);color:var(--lime-dark)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,border-color .18s ease,color .18s ease,background-color .18s ease;
}
.btn svg{transition:transform .18s ease}
.btn-primary{
  background:linear-gradient(120deg,#C7F53B 0%,#46E0A8 100%);
  color:var(--ink);box-shadow:0 1px 2px rgba(15,26,22,.08);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 30px rgba(15,26,22,.18);transform:translateY(-2px)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px);filter:saturate(.88)}
.btn-ghost{
  background:#fff;border:1.5px solid rgba(15,26,22,.15);color:var(--ink);
}
.btn-ghost:hover{border-color:var(--lime-dark);color:var(--lime-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:999px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:95;pointer-events:none}
.drawer::before{content:"";position:absolute;inset:0;background:rgba(15,26,22,.5);opacity:0;transition:opacity .24s ease}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);
  background:var(--ink);color:#fff;display:flex;flex-direction:column;
  padding:20px 20px 26px;transform:translateX(100%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);overflow-y:auto;
}
.drawer.open{pointer-events:auto}
.drawer.open::before{opacity:1}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.drawer-close{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);color:#fff}
.drawer-close:hover{background:rgba(199,245,59,.22);color:var(--lime)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 14px;border-radius:14px;font-size:15px;color:#D6E0D9;
  transition:background-color .16s ease,color .16s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.07);color:var(--lime)}
.drawer-nav a.active{background:rgba(199,245,59,.16);color:var(--lime);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:26px}

/* ---------- 面包屑 & 页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:52px 0 68px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,26,22,.95) 0%,rgba(15,26,22,.78) 46%,rgba(23,184,201,.42) 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9DB0A6;margin-bottom:20px}
.breadcrumb a{transition:color .16s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(255,255,255,.3)}
.breadcrumb .current{color:#E7EFE9}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(199,245,59,.42);
  background:rgba(199,245,59,.12);
  font-size:13px;letter-spacing:.02em;color:var(--lime);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.page-hero h1{
  margin-top:20px;max-width:820px;
  font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:700;letter-spacing:-.01em;color:#fff;
}
.page-hero .lede{margin-top:18px;max-width:720px;font-size:16px;line-height:1.9;color:#C8D2CB}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  padding:6px 14px;border-radius:999px;font-size:13px;color:#DCE6DF;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
@media (max-width:767px){.section{padding:56px 0}}
.section-plain{background:transparent}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--text-2)}

/* ---------- 左右分栏 ---------- */
.layout-side{display:grid;grid-template-columns:264px minmax(0,1fr);gap:48px;align-items:start}
@media (max-width:1023px){
  .layout-side{grid-template-columns:1fr;gap:32px}
}
.anchor-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 18px;box-shadow:var(--shadow-s);
}
@media (max-width:1023px){
  .anchor-card{position:static;top:auto}
}
.anchor-title{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--text-3);
  padding:0 12px 12px;
}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14.5px;color:var(--text-2);
  transition:background-color .16s ease,color .16s ease;
}
.anchor-list a::before{
  content:"";width:3px;height:16px;border-radius:3px;background:var(--line);
  transition:background-color .16s ease;flex:none;
}
.anchor-list a:hover{background:var(--bg);color:var(--ink)}
.anchor-list a.active{background:rgba(199,245,59,.2);color:var(--ink);font-weight:600}
.anchor-list a.active::before{background:var(--lime-dark)}
.anchor-note{
  margin-top:18px;padding:14px 12px 0;border-top:1px solid var(--line);
  font-size:13px;line-height:1.75;color:var(--text-2);
}

/* ---------- 正文区块 ---------- */
.content-block + .content-block{margin-top:60px}
.content-block h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:22px;
}
.content-block p{font-size:15.5px;line-height:1.9;color:var(--text-2)}
.content-block p + p{margin-top:14px}
.content-block p strong{color:var(--text)}

/* 图文卡 */
.media-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-s);margin-top:26px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l)}
.media-card .media-img{overflow:hidden;background:var(--line)}
.media-card .media-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.media-card .media-body{padding:28px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.media-card h3{font-size:19px;line-height:1.4;font-weight:650;letter-spacing:-.01em}
.media-card p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
@media (max-width:767px){
  .media-card{grid-template-columns:1fr}
  .media-card .media-body{padding:22px}
}

/* 信息卡网格 */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:26px}
@media (max-width:767px){.card-grid{grid-template-columns:1fr}}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:rgba(155,212,0,.5)}
.info-card .ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(120deg,rgba(199,245,59,.95),rgba(70,224,168,.9));
  color:var(--ink);margin-bottom:16px;
}
.info-card h3{font-size:18px;line-height:1.45;font-weight:650;margin-bottom:8px}
.info-card p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* 步骤列表 */
.step-list{margin-top:26px;display:flex;flex-direction:column}
.step-list li{
  display:flex;gap:18px;padding:20px 0;border-bottom:1px dashed var(--line);
}
.step-list li:first-child{padding-top:0}
.step-list li:last-child{border-bottom:0;padding-bottom:0}
.step-num{
  flex:none;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--ink);color:var(--lime);
  font-family:var(--mono);font-size:15px;font-weight:700;
}
.step-body h3{font-size:17px;font-weight:650;margin-bottom:6px}
.step-body p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* 深色面板 */
.dark-panel{
  position:relative;overflow:hidden;
  background:var(--ink);color:#DCE6DF;
  border-radius:var(--r-xl);padding:38px 36px;margin-top:26px;
}
.dark-panel::before{
  content:"";position:absolute;right:-120px;top:-160px;width:380px;height:380px;border-radius:50%;
  background:var(--grad);filter:blur(110px);opacity:.28;
}
.dark-panel h3{position:relative;font-size:20px;font-weight:650;color:#fff;margin-bottom:18px}
.dark-panel ol{position:relative;display:flex;flex-direction:column;gap:14px;counter-reset:dp}
.dark-panel ol li{
  position:relative;padding-left:34px;font-size:14.5px;line-height:1.85;color:#B9C7BE;
}
.dark-panel ol li::before{
  counter-increment:dp;content:counter(dp);
  position:absolute;left:0;top:2px;
  width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;
  background:rgba(199,245,59,.18);color:var(--lime);
  font-family:var(--mono);font-size:12px;font-weight:700;
}
.dark-panel ol li strong{color:#fff}
@media (max-width:767px){.dark-panel{padding:28px 22px}}

/* 通栏图卡 */
.wide-figure{
  margin-top:26px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--line);position:relative;
}
.wide-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.wide-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-2);background:#fff;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
@media (max-width:767px){.faq-wrap{grid-template-columns:1fr}}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:16px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q::before{
  content:"";position:absolute;left:-16px;top:50%;
  width:3px;height:22px;border-radius:3px;background:var(--lime);
  transform:translateY(-50%) scaleY(0);transition:transform .2s ease;
}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(1)}
.faq-q svg{color:var(--text-3);transition:transform .24s ease,color .2s ease}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 0 18px;font-size:14.5px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-160px;top:-200px;width:520px;height:520px;border-radius:50%;
  background:var(--grad);filter:blur(130px);opacity:.3;
}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:36px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:#fff}
.cta-inner p{margin-top:14px;max-width:620px;font-size:15.5px;line-height:1.9;color:#B9C7BE}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:900px){
  .cta-inner{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
}
.privacy-note{margin-top:20px;font-size:13px;line-height:1.75;color:var(--text-3)}
.cta-band .privacy-note{color:#8A9A92;max-width:720px}

/* ---------- 浮动按钮 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  padding:14px 22px;border-radius:999px;
  display:inline-flex;align-items:center;gap:9px;
  font-size:14.5px;font-weight:650;color:var(--ink);
  background:linear-gradient(120deg,#C7F53B,#46E0A8);
  box-shadow:0 12px 30px rgba(15,26,22,.24);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(15,26,22,.3);filter:brightness(1.05)}
.float-cta:active{transform:translateY(0)}
@media (max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;width:100%;border-radius:0;
    justify-content:center;
    padding:16px 18px calc(16px + env(safe-area-inset-bottom));
  }
  body{padding-bottom:70px}
}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal::before{content:"";position:absolute;inset:0;background:rgba(15,26,22,.62)}
.modal-card{
  position:relative;z-index:1;width:100%;max-width:920px;max-height:90vh;overflow:auto;
  background:#fff;border-radius:var(--r-xl);box-shadow:var(--shadow-l);
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
}
.modal-close{
  position:absolute;right:16px;top:16px;z-index:2;
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg);color:var(--ink);transition:background-color .16s ease,color .16s ease;
}
.modal-close:hover{background:var(--lime);color:var(--ink)}
.modal-form{padding:34px 32px}
.modal-form h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
.modal-form .sub{margin-top:8px;font-size:14px;line-height:1.8;color:var(--text-2)}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--r-sm);
  height:48px;padding:0 14px;background:#fff;font-size:14.5px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#5C6B63 50%),linear-gradient(135deg,#5C6B63 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--lime-dark);box-shadow:0 0 0 4px rgba(155,212,0,.18);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--error)}
.field-msg{display:none;margin-top:6px;font-size:13px;color:var(--error)}
.field.error .field-msg{display:block}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:560px){.field-row{grid-template-columns:1fr}}
.check{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13.5px;line-height:1.7;color:var(--text-2)}
.check input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--lime-dark)}
.modal-side{
  background:var(--ink);color:#C8D2CB;padding:34px 30px;
  display:flex;flex-direction:column;gap:18px;justify-content:center;
}
.modal-side h3{font-size:17px;font-weight:650;color:#fff}
.modal-side ul{display:flex;flex-direction:column;gap:12px}
.modal-side li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:#AEBDB4}
.modal-side li svg{color:var(--lime);margin-top:5px}
.modal-side .tip{font-size:13px;line-height:1.75;color:#8A9A92}
@media (max-width:860px){
  .modal{padding:0}
  .modal-card{grid-template-columns:1fr;max-height:100vh;height:100%;border-radius:0}
  .modal-side{order:2}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C8D2CB;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:32px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff}
.footer-desc{margin-top:14px;max-width:320px;font-size:14px;line-height:1.85;color:#9DB0A6}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:#C8D2CB;transition:color .16s ease}
.footer-links a:hover{color:var(--lime)}
.footer-contact p{font-size:14px;line-height:1.85;color:#9DB0A6}
.footer-contact p + p{margin-top:10px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8A9A92;
}

/* roulang page: category2 */
:root{
  --lime:#C7F53B;
  --lime-deep:#9BD400;
  --ink:#0F1A16;
  --orange:#FF6B2C;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --muted:#5C6B63;
  --light:#94A3B8;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-pill:999px;
  --r-btn:999px;
  --r-btn2:14px;
  --sh-1:0 1px 2px rgba(15,26,22,.04),0 12px 32px rgba(15,26,22,.08);
  --sh-2:0 18px 44px rgba(15,26,22,.14);
  --gap:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:2px;
}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--gap) 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(199,245,59,.22);color:#41561a;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-deep)}
.lead{color:var(--muted);font-size:16.5px;line-height:1.9;margin-top:16px}
.muted{color:var(--muted)}
.small{font-size:14px;line-height:1.7}
.tiny{font-size:13px;line-height:1.7;color:var(--light)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 顶部信息条 */
.topbar{background:var(--ink);color:#C8D2CB;font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;line-height:1}
.topbar-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:var(--lime);transition:color .16s ease}
.topbar-link:hover{color:#fff}
.topbar-link svg{transition:transform .16s ease}
.topbar-link:hover svg{transform:translateX(4px)}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(15,26,22,.07)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.01em}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;flex:0 0 auto;
  background:var(--grad);
  box-shadow:0 4px 12px rgba(70,224,168,.35);
}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;color:var(--muted);
  border-radius:10px;transition:color .16s ease,background .16s ease;
}
.nav-menu a:hover{color:var(--lime-deep);background:rgba(199,245,59,.14)}
.nav-menu a.active{color:var(--ink);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-14px;height:3px;
  background:var(--lime);border-radius:3px;
}
.nav-actions{display:flex;align-items:center;gap:10px}
.burger{display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line)}
.burger:hover{background:rgba(15,26,22,.04)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;line-height:1;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.btn-primary{
  padding:15px 26px;border-radius:var(--r-btn);
  background:var(--grad);color:var(--ink);
  box-shadow:0 8px 22px rgba(70,224,168,.32);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 32px rgba(70,224,168,.42);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);filter:saturate(.9)}
.btn-ghost{
  padding:14px 24px;border-radius:var(--r-btn2);
  background:#fff;color:var(--ink);
  border:1.5px solid rgba(15,26,22,.15);
}
.btn-ghost:hover{border-color:var(--lime-deep);color:var(--lime-deep)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;color:var(--lime-deep);font-size:15px;
}
.link-arrow svg{transition:transform .16s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* Hero */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(15,26,22,.94) 0%,rgba(15,26,22,.82) 46%,rgba(15,26,22,.5) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#EAF0EA;
  padding:76px 0 68px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,245,59,.34),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.page-hero h1{color:#fff;max-width:16em}
.page-hero .lead{color:#C8D2CB;max-width:44em;margin-top:18px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:13px;color:#DFE8E0;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
}
.hero-badges span b{color:var(--lime);font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{font-size:13px;color:#9FB0A5;margin-top:16px}
.hero-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid rgba(255,255,255,.12);background:#16241d}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure .fig-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.92);color:var(--ink);
  border-radius:16px;padding:10px 14px;font-size:13px;line-height:1.4;
  box-shadow:0 10px 26px rgba(0,0,0,.22);
}
.hero-figure .fig-badge b{display:block;font-family:var(--font-num);font-size:20px;font-weight:800;letter-spacing:-.02em}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:22px 0 0}
.crumb a{color:var(--muted);transition:color .16s ease}
.crumb a:hover{color:var(--lime-deep)}
.crumb .sep{color:var(--light)}
.crumb .cur{color:var(--ink);font-weight:600}

/* 锚点导航 */
.anchor-bar{
  position:sticky;top:72px;z-index:50;
  background:rgba(245,247,243,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;padding:9px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);
  border:1px solid var(--line);background:#fff;
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.anchor-inner a:hover{color:var(--lime-deep);border-color:var(--lime-deep)}
.anchor-inner a.active{background:var(--ink);border-color:var(--ink);color:var(--lime)}

/* 引言 */
.intro-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-1);
}
.intro-card p+*{margin-top:16px}

/* 时间线 */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--lime) 0%,#46E0A8 55%,#17B8C9 100%);
  border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:relative;z-index:2;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink);color:var(--lime);
  font-family:var(--font-num);font-weight:800;font-size:16px;
  box-shadow:0 10px 24px rgba(15,26,22,.18);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(199,245,59,.7)}
.tl-card h3{margin:12px 0 8px}
.tl-card p{color:var(--muted)}
.tl-points{display:grid;gap:10px;margin-top:16px}
.tl-points li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.75}
.tl-points li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:10px;border-radius:50%;
  background:var(--lime-deep);
}
.tl-media{margin-top:20px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tl-media figcaption{font-size:13px;color:var(--light);padding:10px 14px;background:#fff}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(199,245,59,.24);color:#41561a;
}
.badge-orange{background:rgba(255,107,44,.14);color:#B34A1C}
.badge-ink{background:var(--ink);color:var(--lime)}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--muted);
}

/* 指标卡 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.metric-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:var(--ink);margin-bottom:16px;
}
.metric-num{
  font-family:var(--font-num);font-size:clamp(30px,4vw,42px);font-weight:800;
  line-height:1;letter-spacing:-.02em;color:var(--ink);
}
.metric-num i{font-style:normal;font-size:16px;font-weight:700;margin-left:4px;color:var(--muted)}
.metric-label{font-size:14px;color:var(--muted);margin-top:10px}

/* 说明卡组 */
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.note-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
}
.note-card h3{margin-bottom:10px}
.note-card p{color:var(--muted);font-size:15px}
.note-card .note-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}

/* 深色区块 */
.dark-block{
  background:var(--ink);color:#C8D2CB;border-radius:var(--r-xl);
  padding:44px;position:relative;overflow:hidden;
}
.dark-block::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,184,201,.3),transparent 70%);
}
.dark-block h2{color:#fff}
.dark-block p{color:#B7C3BB;margin-top:14px}
.dark-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 28px;margin-top:26px;position:relative;z-index:2}
.dark-list li{display:flex;gap:10px;font-size:15px;color:#C8D2CB}
.dark-list li svg{flex:0 0 auto;margin-top:5px;color:var(--lime)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0 16px 16px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
  transition:color .16s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;border-radius:3px;background:var(--lime);
  transition:transform .24s ease;transform-origin:center;
}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(1)}
.faq-q:hover{color:var(--lime-deep)}
.faq-q svg{flex:0 0 auto;transition:transform .24s ease;color:var(--muted)}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--lime-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 0 20px 16px;color:var(--muted);font-size:15px}

/* CTA */
.cta-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.privacy-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}

/* 页脚 */
.site-footer{background:var(--ink);color:#C8D2CB;padding:64px 0 0;margin-top:var(--gap)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB0A5;margin-top:16px;max-width:30em}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#C8D2CB;transition:color .16s ease}
.footer-links a:hover{color:var(--lime)}
.footer-contact p{font-size:14px;color:#9FB0A5;line-height:1.85;margin-bottom:10px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8B9A91;
}

/* 浮动按钮 */
.fab{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:var(--r-pill);
  background:var(--grad);color:var(--ink);font-weight:700;font-size:14.5px;
  box-shadow:0 14px 34px rgba(15,26,22,.24);
  transition:transform .18s ease,box-shadow .2s ease,filter .2s ease;
}
.fab:hover{transform:translateY(-3px);filter:brightness(1.05);box-shadow:0 20px 44px rgba(15,26,22,.3)}
.fab:active{transform:translateY(0)}

/* 弹层 */
.modal-overlay{
  position:fixed;inset:0;z-index:100;
  display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(15,26,22,.62);
  backdrop-filter:blur(3px);
}
.modal-overlay.is-open{display:flex}
.modal-card{
  position:relative;width:100%;max-width:920px;max-height:92vh;overflow:auto;
  background:#fff;border-radius:var(--r-xl);
  box-shadow:0 30px 80px rgba(15,26,22,.35);
  padding:36px;
}
.modal-close{
  position:absolute;right:18px;top:18px;
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.modal-close:hover{background:rgba(15,26,22,.05);color:var(--ink);border-color:rgba(15,26,22,.2)}
.modal-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px}
.modal-aside{background:#F5F7F3;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}
.modal-aside h3{margin-bottom:12px}
.modal-aside ul{display:grid;gap:12px}
.modal-aside li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.modal-aside li svg{flex:0 0 auto;margin-top:4px;color:var(--lime-deep)}
.form-row{display:grid;gap:8px;margin-bottom:16px}
.form-row label{font-size:14px;font-weight:600;color:var(--ink)}
.form-control{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn2);
  font-family:inherit;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .16s ease,box-shadow .16s ease;
}
textarea.form-control{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus{
  outline:none;border-color:var(--lime-deep);
  box-shadow:0 0 0 3px rgba(155,212,0,.22);
}
.form-control.has-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(220,38,38,.12)}
.field-error{font-size:13px;color:var(--err);line-height:1.6}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;
  padding:10px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--muted);cursor:pointer;
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.chip:hover{border-color:var(--lime-deep);color:var(--lime-deep)}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip.is-checked{background:rgba(199,245,59,.24);border-color:var(--lime-deep);color:#41561a;font-weight:600}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:#9BD400;flex:0 0 auto}
.form-success{
  display:none;margin-top:14px;padding:14px 16px;border-radius:var(--r-btn2);
  background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.3);
  color:#15803d;font-size:14px;
}
.form-success.is-open{display:block}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:1120px}
}
@media (max-width:1023px){
  :root{--gap:64px}
  .nav-menu{
    position:fixed;right:0;top:0;bottom:0;width:min(320px,84vw);
    background:var(--ink);
    flex-direction:column;align-items:stretch;gap:2px;
    padding:88px 20px 120px;
    transform:translateX(105%);
    transition:transform .26s ease;
    z-index:90;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{color:#C8D2CB;font-size:16px;padding:14px 12px;border-radius:12px}
  .nav-menu a:hover{background:rgba(255,255,255,.07);color:var(--lime)}
  .nav-menu a.active{color:var(--lime);font-weight:700;background:rgba(199,245,59,.12)}
  .nav-menu a.active::after{display:none}
  .nav-menu::after{
    content:"获取使用指引";
    margin-top:auto;display:block;text-align:center;
    padding:14px;border-radius:var(--r-pill);
    background:var(--grad);color:var(--ink);font-weight:700;font-size:15px;
  }
  .nav-actions .btn-cta{display:none}
  .burger{display:inline-flex}
  .hero-grid{grid-template-columns:1fr}
  .hero-figure{order:-1}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .note-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .modal-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  :root{--gap:56px}
  .container{padding:0 18px}
  .topbar-inner span{display:none}
  .topbar-inner{justify-content:flex-end}
  .page-hero{padding:56px 0 48px}
  .intro-card{padding:24px}
  .tl-item{grid-template-columns:40px 1fr;gap:16px}
  .timeline::before{left:19px}
  .tl-node{width:40px;height:40px;font-size:14px}
  .tl-card{padding:20px}
  .dark-block{padding:28px}
  .dark-list{grid-template-columns:1fr}
  .cta-panel{padding:26px}
  .modal-card{padding:24px;border-radius:22px}
  .modal-overlay{padding:0;align-items:stretch}
  .modal-card{max-width:none;height:100%;max-height:none;border-radius:0}
  .fab{
    left:0;right:0;bottom:0;justify-content:center;
    border-radius:0;padding:16px 18px calc(16px + env(safe-area-inset-bottom));
    box-shadow:0 -8px 26px rgba(15,26,22,.2);
  }
  .site-footer{padding-bottom:72px}
}
@media (max-width:479px){
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .metric-card{padding:20px 18px}
  .hero-badges span{font-size:12.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --lime:#C7F53B;
  --lime-dark:#9BD400;
  --ink:#0F1A16;
  --orange:#FF6B2C;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --muted:#5C6B63;
  --light:#94A3B8;
  --success:#16A34A;
  --warn:#F59E0B;
  --error:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-sm:14px;
  --sh:0 1px 2px rgba(15,26,22,.04),0 12px 32px rgba(15,26,22,.08);
  --sh-hover:0 18px 44px rgba(15,26,22,.14);
  --dur:200ms;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);background:#E3E8DF;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--lime-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink);font-weight:700;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1280px){
  .container{max-width:1280px;}
}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--muted);margin-top:14px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--lime-dark);
  background:rgba(199,245,59,.18);
  border:1px solid rgba(155,212,0,.35);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:18px;
}
.eyebrow--dark{color:var(--lime);background:rgba(199,245,59,.12);border-color:rgba(199,245,59,.3);}

/* 顶部信息条 + 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  transition:box-shadow var(--dur),border-color var(--dur);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(15,26,22,.07);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  white-space:nowrap;
  letter-spacing:-.01em;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:12px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-menu > a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text);
  border-radius:10px;
  transition:color 160ms;
}
.nav-menu > a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:-19px;
  height:3px;
  border-radius:3px;
  background:var(--lime);
  opacity:0;
  transition:opacity 160ms;
}
.nav-menu > a:hover{color:var(--lime-dark);}
.nav-menu > a.active{color:var(--ink);font-weight:600;}
.nav-menu > a.active::after{opacity:1;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:8px;
}
.drawer-cta{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:none;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform 160ms,box-shadow 160ms,background-color 160ms,color 160ms,border-color 160ms,opacity 160ms;
  background:transparent;
}
.btn svg{flex:none;transition:transform 160ms;}
.btn-primary{
  background:var(--grad);
  color:var(--ink);
  box-shadow:0 6px 18px rgba(70,224,168,.28);
}
.btn-primary:hover{
  filter:brightness(1.06);
  box-shadow:0 12px 28px rgba(70,224,168,.34);
  color:var(--ink);
}
.btn-primary:active{transform:translateY(1px);filter:saturate(.9);}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border:1.5px solid rgba(15,26,22,.15);
  border-radius:var(--r-sm);
}
.btn-ghost:hover{
  border-color:var(--lime-dark);
  color:var(--lime-dark);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.4);
  border-radius:var(--r-sm);
}
.btn-outline:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-cta:hover svg{transform:translateX(4px);}
.burger{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1.5px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  cursor:pointer;
}

/* 面包屑 */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--light);
  padding-top:28px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--lime-dark);}
.breadcrumb .current{color:#fff;}

/* 页头 */
.page-hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(15,26,22,.92) 0%,rgba(15,26,22,.74) 48%,rgba(15,26,22,.56) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding-bottom:64px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-120px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(70,224,168,.42),rgba(23,184,201,0) 68%);
  pointer-events:none;
}
.page-hero .breadcrumb a{color:rgba(255,255,255,.72);}
.page-hero h1{
  color:#fff;
  margin:18px 0 18px;
  max-width:900px;
}
.page-hero .lead{
  max-width:720px;
  color:rgba(255,255,255,.82);
  font-size:17px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.fact{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  font-size:14px;
  color:rgba(255,255,255,.9);
}
.fact strong{
  font-family:Inter,"DIN Alternate",var(--font);
  font-variant-numeric:tabular-nums;
  font-weight:800;
  color:var(--lime);
  font-size:17px;
}

/* 锚点导航 */
.anchor-bar{
  position:sticky;
  top:72px;
  z-index:50;
  background:rgba(245,247,243,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:12px;
  padding-bottom:12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-label{
  font-size:13px;
  font-weight:600;
  color:var(--light);
  white-space:nowrap;
  margin-right:4px;
}
.anchor-inner a{
  flex:none;
  padding:8px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--muted);
  transition:all 160ms;
}
.anchor-inner a:hover{
  border-color:var(--lime-dark);
  color:var(--lime-dark);
  transform:translateY(-1px);
}

/* Z 字交错区块 */
.z-section{padding:72px 0;}
.z-section:nth-of-type(even){background:#fff;}
.z-block{
  display:grid;
  grid-template-columns:7fr 6fr;
  gap:56px;
  align-items:center;
}
.z-block + .z-block{margin-top:88px;}
.z-block.reverse .z-media{order:2;}
.z-media{position:relative;}
.z-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--sh);
}
.z-media .media-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  background:rgba(15,26,22,.82);
  color:#fff;
  font-size:13px;
  padding:7px 14px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--lime-dark);
  background:rgba(199,245,59,.2);
  border:1px solid rgba(155,212,0,.32);
  border-radius:999px;
  padding:4px 13px;
}
.badge--orange{
  color:#C2410C;
  background:rgba(255,107,44,.12);
  border-color:rgba(255,107,44,.3);
}
.z-text h2{margin:16px 0 14px;}
.z-text p{color:var(--muted);}
.z-text p + p{margin-top:12px;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text);
}
.check-list svg{flex:none;margin-top:5px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:22px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid rgba(15,26,22,.2);
  padding-bottom:2px;
  transition:color 160ms,border-color 160ms;
}
.link-arrow svg{transition:transform 160ms;}
.link-arrow:hover{color:var(--lime-dark);border-color:var(--lime-dark);}
.link-arrow:hover svg{transform:translateX(4px);}

/* 快速提示带 */
.tip-strip{
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-xl);
  padding:36px 40px;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:32px;
  align-items:center;
  margin-top:88px;
  position:relative;
  overflow:hidden;
}
.tip-strip::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-120px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(199,245,59,.28),rgba(199,245,59,0) 70%);
}
.tip-strip h3{color:#fff;font-size:22px;}
.tip-strip p{color:#C8D2CB;margin-top:10px;font-size:15px;}
.tip-cards{display:grid;gap:12px;position:relative;z-index:1;}
.tip-cards span{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:14px;
  padding:12px 16px;
  font-size:14px;
  color:rgba(255,255,255,.9);
}

/* FAQ */
.faq-section{background:#fff;}
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0 40px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0 14px 14px;
  background:none;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  position:relative;
  transition:color 160ms;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:3px;
  background:var(--lime);
  opacity:0;
  transition:opacity 200ms;
}
.faq-q:hover{color:var(--lime-dark);}
.faq-q svg{flex:none;transition:transform 240ms;color:var(--muted);}
.faq-item.open .faq-q::before{opacity:1;}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms ease;
}
.faq-a p{
  padding:0 0 18px 14px;
  font-size:15px;
  color:var(--muted);
}

/* CTA */
.cta-section{padding:88px 0 40px;}
.cta-card{
  position:relative;
  background:var(--ink);
  border-radius:var(--r-xl);
  padding:56px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-card::before{
  content:"";
  position:absolute;
  left:-100px;
  top:-140px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,184,201,.34),rgba(23,184,201,0) 70%);
}
.cta-card h2{color:#fff;position:relative;}
.cta-card p{color:#C8D2CB;margin-top:16px;position:relative;}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  position:relative;
  justify-content:flex-end;
}
.privacy-note{
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
  margin-top:16px;
}
.privacy-note--dark{color:var(--light);}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:#C8D2CB;
  padding:72px 0 0;
  margin-top:48px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-desc{font-size:14px;line-height:1.8;color:#9FAEA6;max-width:320px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#C8D2CB;transition:color 160ms;}
.footer-links a:hover{color:var(--lime);}
.footer-contact p{font-size:14px;color:#9FAEA6;line-height:1.8;}
.footer-contact p + p{margin-top:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:#8A9A91;
}

/* 浮动按钮与弹层 */
.float-btn{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  height:52px;
  padding:0 24px;
  border:none;
  border-radius:999px;
  background:var(--grad);
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  box-shadow:0 14px 34px rgba(70,224,168,.36);
  cursor:pointer;
  transition:transform 160ms,box-shadow 160ms;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(70,224,168,.44);}
.modal{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.open{display:flex;}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(15,26,22,.62);
  backdrop-filter:blur(3px);
}
.modal-card{
  position:relative;
  z-index:1;
  width:100%;
  max-width:920px;
  max-height:88vh;
  overflow-y:auto;
  background:#fff;
  border-radius:var(--r-xl);
  padding:40px;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:36px;
  box-shadow:0 32px 70px rgba(15,26,22,.3);
}
.modal-close{
  position:absolute;
  right:18px;
  top:18px;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background-color 160ms,border-color 160ms;
}
.modal-close:hover{background:var(--bg);border-color:var(--lime-dark);}
.modal-card h3{font-size:24px;margin-bottom:8px;}
.modal-card .modal-sub{font-size:15px;color:var(--muted);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--ink);
}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;
  transition:border-color 160ms,box-shadow 160ms;
}
.field textarea{height:112px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--lime-dark);
  box-shadow:0 0 0 4px rgba(199,245,59,.28);
}
.field.invalid input,.field.invalid select,.field.invalid textarea{
  border-color:var(--error);
}
.field-error{
  display:none;
  font-size:13px;
  color:var(--error);
  margin-top:6px;
}
.field.invalid .field-error{display:block;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--muted);
  cursor:pointer;
  transition:all 160ms;
}
.chip input{position:absolute;opacity:0;pointer-events:none;}
.chip:hover{border-color:var(--lime-dark);color:var(--lime-dark);}
.chip:has(input:checked){
  background:rgba(199,245,59,.22);
  border-color:var(--lime-dark);
  color:var(--ink);
  font-weight:600;
}
.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--lime-dark);}
.modal-aside{
  background:var(--bg);
  border-radius:var(--r-lg);
  padding:26px;
  font-size:14px;
  color:var(--muted);
}
.modal-aside h4{font-size:16px;color:var(--ink);margin-bottom:14px;}
.modal-aside ul{display:grid;gap:12px;}
.modal-aside li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.modal-aside svg{flex:none;margin-top:5px;}

/* 空态与骨架 */
.empty-state{
  display:none;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:56px 24px;
  text-align:center;
  color:var(--light);
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
}
.empty-state p{font-size:14px;}
.skeleton{
  background:linear-gradient(90deg,#EDF1EA 25%,#F7FAF4 37%,#EDF1EA 63%);
  background-size:400% 100%;
  animation:skeleton 1.4s ease infinite;
  border-radius:12px;
}
@keyframes skeleton{
  0%{background-position:100% 50%;}
  100%{background-position:0 50%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* 响应式 */
@media (max-width:1279px){
  .z-block{gap:44px;}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;
    top:0;
    right:0;
    height:100vh;
    width:min(360px,86vw);
    background:var(--ink);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 24px 32px;
    transform:translateX(100%);
    transition:transform 260ms ease;
    z-index:80;
    overflow-y:auto;
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-menu > a{
    color:#fff;
    font-size:16px;
    padding:14px 12px;
    border-radius:12px;
  }
  .nav-menu > a:hover{background:rgba(255,255,255,.06);color:var(--lime);}
  .nav-menu > a.active{color:var(--lime);background:rgba(199,245,59,.12);}
  .nav-menu > a::after{display:none;}
  .drawer-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    margin-top:18px;
    height:50px;
    border-radius:999px;
    background:var(--grad);
    color:var(--ink);
    font-weight:600;
    border:none;
    cursor:pointer;
  }
  .burger{display:inline-flex;}
  .nav-actions .btn-cta{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
  .modal-card{grid-template-columns:1fr;padding:32px 24px;}
  .tip-strip{grid-template-columns:1fr;padding:32px 26px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section--tight{padding:40px 0;}
  .z-section{padding:48px 0;}
  .z-block{grid-template-columns:1fr;gap:26px;}
  .z-block.reverse .z-media{order:0;}
  .z-block + .z-block{margin-top:56px;}
  .faq-grid{grid-template-columns:1fr;}
  .page-hero{padding-bottom:48px;}
  .page-hero .lead{font-size:16px;}
  .anchor-bar{top:64px;}
  .nav-inner{height:64px;gap:12px;}
  .cta-section{padding:56px 0 24px;}
  .cta-card{padding:36px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .float-btn{
    left:0;
    right:0;
    bottom:0;
    width:100%;
    height:56px;
    border-radius:0;
    justify-content:center;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .modal{padding:0;align-items:flex-end;}
  .modal-card{
    max-height:94vh;
    border-radius:var(--r-xl) var(--r-xl) 0 0;
    padding:28px 20px calc(28px + env(safe-area-inset-bottom));
  }
  .modal-actions .btn{width:100%;}
}
@media (max-width:479px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .hero-facts{gap:10px;}
  .fact{font-size:13px;padding:8px 14px;}
  .z-media img{aspect-ratio:16/10;}
}

/* roulang page: category4 */
:root{
  --lime:#C7F53B;
  --lime-deep:#9BD400;
  --ink:#0F1A16;
  --orange:#FF6B2C;
  --mint:#46E0A8;
  --teal:#17B8C9;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --muted:#5C6B63;
  --soft:#94A3B8;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-sm:14px;
  --sh:0 1px 2px rgba(15,26,22,.04),0 12px 32px rgba(15,26,22,.08);
  --sh-hover:0 18px 44px rgba(15,26,22,.14);
  --sec:88px;
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#C8D2CB;font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar-note{display:inline-flex;align-items:center;gap:8px}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:#EAF2EC;font-weight:600}
.topbar-link svg{transition:transform .16s ease}
.topbar-link:hover{color:var(--lime)}
.topbar-link:hover svg{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 8px 28px rgba(15,26,22,.08)}
.nav-inner{display:flex;align-items:center;gap:26px;height:var(--nav-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{position:relative;display:inline-flex;align-items:center;height:var(--nav-h);padding:0 13px;font-size:15px;font-weight:500;color:var(--muted);transition:color .16s ease}
.nav-menu a::after{content:"";position:absolute;left:13px;right:13px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--lime);transform:scaleX(0);transform-origin:center;transition:transform .18s ease}
.nav-menu a:hover{color:var(--lime-deep)}
.nav-menu a.active{color:var(--ink);font-weight:700}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);align-items:center;justify-content:center;color:var(--ink);transition:border-color .16s ease,background .16s ease}
.burger:hover{border-color:var(--lime-deep);background:#F7FBEC}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:13px 26px;transition:transform .16s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;cursor:pointer;border:1.5px solid transparent;line-height:1.2}
.btn svg{transition:transform .16s ease}
.btn-primary{background-image:var(--grad);color:var(--ink);box-shadow:0 8px 20px rgba(70,224,168,.28)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 30px rgba(23,184,201,.3);transform:translateY(-2px)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px);filter:saturate(.85)}
.btn-ghost{background:#fff;border-color:rgba(15,26,22,.15);color:var(--ink)}
.btn-ghost:hover{border-color:var(--lime-deep);color:var(--lime-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer-backdrop{position:absolute;inset:0;background:rgba(15,26,22,.5);opacity:0;transition:opacity .24s ease}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(88vw,360px);background:var(--ink);color:#EAF2EC;padding:26px 22px 110px;transform:translateX(100%);transition:transform .28s cubic-bezier(.32,.72,.24,1);display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-backdrop{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1.5px solid rgba(255,255,255,.22);display:inline-flex;align-items:center;justify-content:center;color:#fff}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-panel a.drawer-link{padding:14px 12px;border-radius:14px;font-size:16px;color:#D6E0D9;transition:background .16s ease,color .16s ease}
.drawer-panel a.drawer-link:hover{background:rgba(199,245,59,.1);color:var(--lime)}
.drawer-panel a.drawer-link.active{background:rgba(199,245,59,.16);color:#fff;font-weight:700}
.drawer-foot{position:absolute;left:0;right:0;bottom:0;padding:18px 22px calc(18px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(15,26,22,.2),rgba(15,26,22,.96) 40%)}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb .sep{color:var(--soft)}
.crumb a:hover{color:var(--lime-deep)}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;margin-top:20px;border-radius:var(--r-xl);overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.42;z-index:-2}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(15,26,22,.94) 6%,rgba(15,26,22,.72) 48%,rgba(23,184,201,.42) 100%);z-index:-1}
.page-hero-inner{padding:64px 56px 58px;max-width:800px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:rgba(199,245,59,.16);border:1px solid rgba(199,245,59,.42);color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.02em}
.page-hero h1{margin-top:20px;font-size:clamp(30px,4.2vw,52px);line-height:1.15}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.page-hero .hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:#CBD6CE;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.page-hero .hero-foot{margin-top:22px;font-size:13px;color:#9DAEA4}
.hero-metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-metric b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--lime);line-height:1.1}
.hero-metric span{font-size:13px;color:#A9B8AF}

/* ---------- 通用板块 ---------- */
.section{padding-top:var(--sec)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--lime-deep);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}

/* 引言图文 */
.lead-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.lead-text p{color:var(--muted);font-size:16.5px}
.lead-text p + p{margin-top:16px}
.lead-points{margin-top:24px;display:grid;gap:12px}
.lead-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.lead-points .tick{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(199,245,59,.28);display:inline-flex;align-items:center;justify-content:center;margin-top:3px}
.lead-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh)}
.lead-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);background:#E3E8DF}
.lead-badge{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-radius:16px;padding:12px 16px;box-shadow:var(--sh)}
.lead-badge b{display:block;font-size:20px;font-weight:800;color:var(--ink);line-height:1.2}
.lead-badge span{font-size:12.5px;color:var(--muted)}

/* 锚点导航 */
.anchor-nav{position:sticky;top:var(--nav-h);z-index:50;background:rgba(245,247,243,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);margin-top:var(--sec)}
.anchor-nav ul{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-nav ul::-webkit-scrollbar{display:none}
.anchor-nav a{display:inline-flex;white-space:nowrap;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--muted);transition:.16s ease}
.anchor-nav a:hover{border-color:var(--lime-deep);color:var(--lime-deep);transform:translateY(-1px)}

/* 对照卡表 */
.compare-wrap{margin-top:8px}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.compare-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.compare-head{padding:24px 24px 20px;border-bottom:1px solid var(--line)}
.compare-head .tier{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em}
.compare-head h3{margin-top:8px;font-size:21px}
.compare-head .badge{margin-top:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.badge-lime{background:rgba(199,245,59,.28);color:#43610A}
.badge-mint{background:rgba(70,224,168,.2);color:#0B6B4C}
.badge-teal{background:rgba(23,184,201,.16);color:#0A5D68}
.badge-orange{background:rgba(255,107,44,.14);color:#B2400F}
.badge-gray{background:#EEF1EC;color:var(--muted)}
.compare-body{padding:8px 24px 22px;flex:1}
.compare-row{display:grid;gap:4px;padding:15px 0;border-bottom:1px dashed var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row .k{font-size:13px;color:var(--soft);font-weight:600}
.compare-row .v{font-size:15px;color:var(--text)}
.compare-card.is-featured{border-color:rgba(155,212,0,.55)}
.compare-card.is-featured .compare-head{background:linear-gradient(120deg,rgba(199,245,59,.24),rgba(70,224,168,.14))}
.compare-foot{padding:0 24px 24px}

/* 说明卡组 */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:0 1px 2px rgba(15,26,22,.04);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(155,212,0,.5)}
.info-icon{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,rgba(199,245,59,.95),rgba(70,224,168,.9));display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}
.info-card h3{font-size:18px}
.info-card p{margin-top:10px;color:var(--muted);font-size:15px}
.info-card ul{margin-top:14px;display:grid;gap:9px}
.info-card li{position:relative;padding-left:16px;font-size:14.5px;color:var(--muted)}
.info-card li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--lime-deep)}

/* 深色提示带 */
.notice-band{margin-top:var(--sec);background:var(--ink);color:#D5DFD8;border-radius:var(--r-xl);padding:40px 44px;display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;position:relative;overflow:hidden}
.notice-band::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(23,184,201,.42),transparent 70%)}
.notice-band h3{color:#fff;font-size:20px}
.notice-band p{margin-top:8px;font-size:15px;color:#B7C4BB;max-width:640px}
.notice-icon{width:52px;height:52px;border-radius:16px;background:rgba(255,107,44,.16);border:1px solid rgba(255,107,44,.45);display:inline-flex;align-items:center;justify-content:center;color:var(--orange)}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;min-height:56px;padding:16px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .16s ease}
.faq-q .bar{width:3px;height:22px;border-radius:3px;background:var(--line);flex:0 0 auto;transition:background .2s ease}
.faq-item.open .faq-q{color:var(--lime-deep)}
.faq-item.open .faq-q .bar{background:var(--lime)}
.faq-q:hover{color:var(--lime-deep)}
.faq-q .arrow{margin-left:auto;flex:0 0 auto;transition:transform .24s ease;color:var(--muted)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);color:var(--lime-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 4px 22px 23px;color:var(--muted);font-size:15px;max-width:860px}

/* CTA */
.cta-section{padding-top:var(--sec)}
.cta-card{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--ink);color:#fff;padding:56px 52px;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.cta-card::before{content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(199,245,59,.34),transparent 68%)}
.cta-card h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;color:#fff}
.cta-card p{margin-top:14px;color:#BDC9C1;font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-aside{position:relative;z-index:1;display:grid;gap:12px}
.cta-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:16px 18px;display:flex;align-items:center;gap:14px}
.cta-stat b{font-size:24px;font-weight:800;color:var(--lime);line-height:1}
.cta-stat span{font-size:13.5px;color:#B4C0B8}
.privacy-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* 浮动按钮 */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:60;display:inline-flex;align-items:center;gap:9px;padding:14px 22px;border-radius:999px;background-image:var(--grad);color:var(--ink);font-weight:800;font-size:14.5px;box-shadow:0 14px 34px rgba(23,184,201,.34);transition:transform .18s ease,box-shadow .2s ease}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(23,184,201,.42)}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:100;display:none}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,26,22,.58);backdrop-filter:blur(3px)}
.modal-card{position:relative;z-index:1;width:min(920px,calc(100% - 40px));max-height:calc(100vh - 60px);overflow-y:auto;margin:30px auto;background:#fff;border-radius:var(--r-xl);box-shadow:0 30px 70px rgba(15,26,22,.32);padding:38px}
.modal-close{position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:.16s ease}
.modal-close:hover{border-color:var(--err);color:var(--err)}
.modal-head h2{font-size:26px}
.modal-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:560px}
.modal-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;margin-top:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--err)}
.input,.select,.textarea{width:100%;border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;font-size:15px;background:#fff;transition:border-color .16s ease,box-shadow .16s ease}
.input,.select{height:48px;padding:0 14px}
.textarea{min-height:110px;resize:vertical;line-height:1.7}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--lime-deep);box-shadow:0 0 0 4px rgba(155,212,0,.16)}
.field.error .input,.field.error .select,.field.error .textarea{border-color:var(--err)}
.field .msg{display:none;margin-top:7px;font-size:13px;color:var(--err)}
.field.error .msg{display:block}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-flex;padding:9px 16px;border-radius:999px;border:1.5px solid var(--line);font-size:14px;color:var(--muted);cursor:pointer;transition:.16s ease;background:#fff}
.chip input:checked + span{border-color:var(--lime-deep);color:#3F5A08;background:rgba(199,245,59,.22);font-weight:700}
.chip input:focus-visible + span{outline:2px solid var(--ink);outline-offset:2px}
.check-row{display:flex;gap:11px;align-items:flex-start;margin-top:6px;font-size:14px;color:var(--muted)}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:#9BD400;flex:0 0 auto}
.modal-aside{background:#F7F9F5;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}
.modal-aside h3{font-size:16px}
.modal-aside ul{margin-top:14px;display:grid;gap:11px}
.modal-aside li{position:relative;padding-left:20px;font-size:14px;color:var(--muted)}
.modal-aside li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--grad)}
.modal-tip{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--soft)}
body.lock{overflow:hidden}

/* 页脚 */
.site-footer{margin-top:var(--sec);background:var(--ink);color:#C8D2CB;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff}
.footer-desc{margin-top:16px;font-size:14px;color:#A9B6AE;max-width:320px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:#C8D2CB;transition:color .16s ease,transform .16s ease;display:inline-block}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.footer-contact p{font-size:14px;color:#A9B6AE;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#93A199}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-menu a{padding:0 10px;font-size:14.5px}
}
@media (max-width:1023px){
  :root{--sec:72px;--nav-h:64px}
  .nav-menu{display:none}
  .nav-actions .btn-cta{display:none}
  .burger{display:inline-flex}
  .lead-grid{grid-template-columns:1fr;gap:30px}
  .compare-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:44px 36px}
  .notice-band{grid-template-columns:auto 1fr;padding:32px 30px}
  .notice-band .btn{grid-column:1 / -1;justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .page-hero-inner{padding:52px 36px 46px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  .page-hero-inner{padding:40px 22px 38px}
  .page-hero .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-metrics{gap:22px}
  .compare-grid{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .modal-card{width:100%;max-height:100vh;height:100%;margin:0;border-radius:0;padding:26px 20px 120px}
  .modal-grid{grid-template-columns:1fr;gap:24px}
  .modal-actions{position:fixed;left:0;right:0;bottom:0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);z-index:2}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;justify-content:center;padding:16px 20px calc(16px + env(safe-area-inset-bottom));box-shadow:0 -8px 26px rgba(15,26,22,.18)}
  .site-footer{padding-bottom:70px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:479px){
  .topbar-note{display:none}
  .topbar-inner{justify-content:flex-end}
  .logo{font-size:17px}
  .compare-head,.compare-body,.compare-foot{padding-left:20px;padding-right:20px}
  .notice-band{grid-template-columns:1fr}
}

/* roulang page: category5 */
:root{
  --primary:#C7F53B;
  --primary-dark:#9BD400;
  --ink:#0F1A16;
  --accent:#FF6B2C;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8DF;
  --text:#1B2320;
  --text-2:#5C6B63;
  --text-3:#94A3B8;
  --success:#16A34A;
  --warning:#F59E0B;
  --danger:#DC2626;
  --grad:linear-gradient(120deg,#C7F53B 0%,#46E0A8 52%,#17B8C9 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:14px;
  --shadow-1:0 1px 2px rgba(15,26,22,.04),0 12px 32px rgba(15,26,22,.08);
  --shadow-2:0 18px 44px rgba(15,26,22,.14);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:20px;object-fit:cover;background:#E3E8DF;}
a{color:inherit;text-decoration:none;}
a.link{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--primary-dark);}
a.link:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;color:var(--ink);}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
svg{display:block;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* 布局 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-sm{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink);
  background:rgba(199,245,59,.42);
  border:1px solid rgba(155,212,0,.55);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.lead{color:var(--text-2);font-size:16.5px;}
.muted{color:var(--text-2);font-size:14px;line-height:1.7;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  border:1.5px solid transparent;
}
.btn svg{transition:transform .2s ease;}
.btn-primary{background:var(--grad);color:var(--ink);box-shadow:var(--shadow-1);}
.btn-primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);filter:saturate(.85);}
.btn-ghost{background:#fff;border-color:rgba(15,26,22,.15);color:var(--ink);border-radius:var(--r-sm);}
.btn-ghost:hover{border-color:var(--primary-dark);color:var(--primary-dark);}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);}
.text-link svg{transition:transform .2s ease;}
.text-link:hover{color:var(--primary-dark);}
.text-link:hover svg{transform:translateX(4px);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(15,26,22,.06);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-0.01em;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;padding:24px 12px;font-size:15px;color:var(--text-2);
  transition:color .16s ease;white-space:nowrap;
}
.nav-menu a:hover{color:var(--primary-dark);}
.nav-menu a.active{color:var(--ink);font-weight:600;}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);}
.burger:hover{border-color:var(--primary-dark);color:var(--primary-dark);}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;pointer-events:none;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(15,26,22,.5);opacity:0;transition:opacity .24s ease;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--ink);color:#fff;padding:26px 22px 24px;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.24,.7,.3,1);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.open{pointer-events:auto;}
.drawer.open .drawer-backdrop{opacity:1;}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;color:#fff;}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);}
.drawer a.drawer-link{padding:14px 12px;border-radius:12px;color:#E7EDE9;font-size:15.5px;transition:background-color .16s ease,color .16s ease;}
.drawer a.drawer-link:hover{background:rgba(255,255,255,.08);color:var(--primary);}
.drawer a.drawer-link.active{background:rgba(199,245,59,.16);color:var(--primary);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .btn{width:100%;}

/* 面包屑 */
.crumb{padding:26px 0 0;font-size:13.5px;color:var(--text-2);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary-dark);}
.crumb span.sep{margin:0 8px;color:var(--text-3);}
.crumb strong{color:var(--ink);font-weight:600;}

/* 分类 Hero */
.cat-hero{padding:34px 0 8px;}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cat-hero h1{margin-bottom:18px;}
.cat-hero .lead{max-width:620px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:4/3;border-radius:var(--r-lg);box-shadow:var(--shadow-1);}
.hero-chip{
  position:absolute;right:18px;bottom:18px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(6px);
  border-radius:18px;padding:12px 18px;box-shadow:var(--shadow-1);
  font-size:13px;color:var(--text-2);
}
.hero-chip b{display:block;font-size:22px;color:var(--ink);font-weight:800;line-height:1.1;}

/* 锚点导航 */
.anchor-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(245,247,243,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-list{display:flex;gap:8px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;font-size:14px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);white-space:nowrap;
  transition:all .18s ease;
}
.anchor-list a:hover{border-color:var(--primary-dark);color:var(--primary-dark);}

/* 卡片瀑布 */
.fall{column-count:3;column-gap:24px;}
.fall-card{
  break-inside:avoid;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px;margin-bottom:24px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.fall-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(155,212,0,.5);}
.fall-card h3{margin:14px 0 10px;}
.fall-card p{color:var(--text-2);font-size:15px;line-height:1.8;}
.fall-card .text-link{margin-top:14px;}
.fall-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--ink);
  background:rgba(199,245,59,.38);border:1px solid rgba(155,212,0,.5);
  padding:4px 12px;border-radius:999px;
}
.fall-tag.accent{background:rgba(255,107,44,.12);border-color:rgba(255,107,44,.35);color:#B93F0C;}
.fall-media{border-radius:18px;overflow:hidden;margin-bottom:18px;}
.fall-media img{aspect-ratio:16/9;border-radius:18px;width:100%;}
.fall-num{
  font-size:34px;font-weight:800;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.fall-dark{background:var(--ink);border-color:var(--ink);}
.fall-dark h3,.fall-dark .fall-num{color:#fff;}
.fall-dark p{color:#B9C4BD;}
.fall-dark .fall-tag{background:rgba(199,245,59,.18);border-color:rgba(199,245,59,.4);color:var(--primary);}
.fall-dark .text-link{color:var(--primary);}

/* 徽章墙 */
.badge-wall{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:10px 20px;font-size:14px;color:var(--text);font-weight:500;
  transition:all .2s ease;
}
.badge:hover{border-color:var(--primary-dark);color:var(--primary-dark);transform:translateY(-2px);}
.badge.b-lg{padding:16px 28px;font-size:17px;font-weight:700;}
.badge.b-sm{padding:7px 14px;font-size:13px;color:var(--text-2);}
.badge.b-grad{background:var(--grad);border-color:transparent;color:var(--ink);font-weight:600;}
.badge.b-ink{background:var(--ink);border-color:var(--ink);color:#fff;}
.badge.b-ink:hover{color:var(--primary);}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--primary-dark);flex:0 0 auto;}

/* 通栏图卡 */
.wide-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:320px;display:flex;align-items:center;
  background-image:linear-gradient(115deg,rgba(15,26,22,.92) 0%,rgba(15,26,22,.72) 46%,rgba(15,26,22,.28) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.wide-card-inner{padding:52px 48px;max-width:600px;}
.wide-card h2{color:#fff;margin-bottom:16px;}
.wide-card p{color:#C8D2CB;font-size:15.5px;margin-bottom:26px;}
.wide-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.wide-tags span{
  font-size:13px;color:var(--primary);border:1px solid rgba(199,245,59,.45);
  background:rgba(199,245,59,.1);padding:6px 14px;border-radius:999px;
}

/* 数据条 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:var(--grad);border-radius:var(--r-md);padding:24px 22px;
  box-shadow:var(--shadow-1);
}
.stat b{display:block;font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;margin-bottom:8px;}
.stat span{font-size:13.5px;color:#22301F;}

/* 分类导流 */
.link-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.link-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(155,212,0,.5);}
.link-card h3{font-size:17px;}
.link-card p{font-size:14px;color:var(--text-2);margin:0;}
.link-card .text-link{margin-top:auto;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0 18px 16px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;min-height:56px;transition:color .18s ease;
}
.faq-q:hover{color:var(--primary-dark);}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--primary);
  transition:height .24s ease;
}
.faq-item.open .faq-q::before{height:24px;}
.faq-q svg{flex:0 0 auto;transition:transform .24s ease;color:var(--text-2);}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 0 20px 16px;color:var(--text-2);font-size:15px;}

/* CTA */
.cta-band{
  background:var(--ink);border-radius:var(--r-lg);padding:56px 48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:#B9C4BD;font-size:15.5px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.privacy-note{font-size:13px;color:var(--text-2);margin-top:18px;}

/* 浮动按钮 */
.float-btn{
  position:fixed;right:24px;bottom:24px;z-index:55;
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 24px;border-radius:999px;background:var(--grad);
  color:var(--ink);font-weight:600;font-size:15px;box-shadow:var(--shadow-2);
  transition:transform .2s ease,filter .2s ease;
}
.float-btn:hover{transform:translateY(-3px);filter:brightness(1.05);}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:90;display:none;}
.modal.open{display:block;}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,26,22,.62);}
.modal-card{
  position:relative;margin:6vh auto;width:min(920px,92vw);max-height:88vh;overflow-y:auto;
  background:#fff;border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-2);
}
.modal-close{
  position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.modal-close:hover{border-color:var(--primary-dark);color:var(--primary-dark);}
.modal-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;margin-top:8px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;padding:0 16px;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:110px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary-dark);box-shadow:0 0 0 3px rgba(199,245,59,.35);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--danger);}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:6px;}
.field.error .err{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);margin:4px 0 20px;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:#9BD400;}
.trust{background:#F7F9F5;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;}
.trust h3{font-size:17px;margin-bottom:12px;}
.trust ul{list-style:none;padding:0;margin:0;}
.trust li{display:flex;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:12px;}
.trust li svg{flex:0 0 auto;margin-top:5px;color:var(--primary-dark);}

/* 页脚 */
.site-footer{background:var(--ink);color:#C8D2CB;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.8;color:#9FAEA5;max-width:320px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:#C8D2CB;transition:color .16s ease;}
.footer-links a:hover{color:var(--primary);}
.footer-contact p{font-size:14px;color:#9FAEA5;margin-bottom:12px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A998F;
}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:1100px;}
  .fall{column-count:3;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .burger{display:inline-flex;}
  .nav-actions .btn-cta{display:none;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure img{aspect-ratio:16/9;}
  .fall{column-count:2;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .link-cards{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .anchor-bar{top:72px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 18px;}
  .nav-inner{height:64px;}
  .anchor-bar{top:64px;}
  .fall{column-count:1;}
  .wide-card-inner{padding:36px 24px;}
  .modal-grid{grid-template-columns:1fr;gap:24px;}
  .modal-card{padding:26px 20px;margin:0;width:100%;max-height:100vh;height:100%;border-radius:0;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .link-cards{grid-template-columns:1fr;}
}
@media (max-width:520px){
  h1{font-size:29px;}
  .float-btn{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 18px calc(16px + env(safe-area-inset-bottom));
  }
  .site-footer{padding-bottom:72px;}
}