/* roulang page: index */
:root{
  --brand:#FFC300;
  --brand-deep:#F0AE00;
  --brand-soft:#FFF4CC;
  --lime:#C8F45E;
  --dark:#0D1712;
  --dark2:#111A15;
  --void:#0B1110;
  --surface:#F7F5EE;
  --card:#FFFFFF;
  --ink:#14221A;
  --text:#2D3B33;
  --muted:#6E7D74;
  --line:rgba(20,34,26,.1);
  --line-deep:rgba(20,34,26,.16);
  --shade-1:0 1px 2px rgba(16,24,20,.04);
  --shade-2:0 16px 40px -16px rgba(16,24,20,.16);
  --radius:20px;
  --r-sm:14px;
  --container:1200px;
  --gap:24px;
  --section:clamp(80px,9vw,136px);
  --speed:.25s;
  --font:Inter,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--surface);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
li{list-style:none}
h1,h2,h3,h4,h5{
  color:var(--ink);
  font-weight:700;
  letter-spacing:.01em;
  margin:0;
  line-height:1.26;
}
p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
details>summary{list-style:none}
details>summary::-webkit-details-marker{display:none}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:var(--section)}
.section--alt{background:var(--card)}

/* 通用标题 */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);
  color:#1F2F22;
  border-radius:999px;
  padding:6px 15px;
  font-size:13px;
  letter-spacing:.05em;
  font-weight:600;
}
.section-head{max-width:760px;margin-bottom:clamp(36px,5vw,60px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{
  font-family:var(--font);
  font-size:clamp(1.9rem,3.4vw,2.7rem);
  margin-top:14px;
  line-height:1.22;
}
.section-head p{
  color:var(--muted);
  margin-top:14px;
  font-size:1.05rem;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  transition:transform .25s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
  white-space:nowrap;
  min-height:44px;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn:active{transform:translateY(0)}
.btn-light{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-light:hover{box-shadow:var(--shade-2);border-color:var(--line-deep)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:#244033;box-shadow:var(--shade-2)}
.btn-primary{background:var(--brand);color:#241A00;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);box-shadow:0 10px 36px rgba(240,174,0,.35)}
.btn-yellow{background:var(--brand);color:#241A00}
.btn-lime{background:var(--lime);color:#1B2A00;border-color:var(--lime)}
.btn-lime:hover{background:#d4ff78;border-color:#d4ff78;box-shadow:0 10px 34px rgba(200,244,94,.25)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.37)}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.7)}

/* 导航 */
.site-nav{
  position:fixed;
  z-index:120;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid rgba(20,34,26,.09);
  border-radius:999px;
  box-shadow:var(--shade-1),0 10px 30px rgba(13,23,18,.05);
  display:flex;
  align-items:center;
  gap:18px;
  padding:8px 10px 8px 18px;
  transition:box-shadow .3s ease,background .3s ease;
}
.site-nav.is-scrolled{background:rgba(255,255,255,.9);box-shadow:var(--shade-2)}
.brand-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:1.15rem;letter-spacing:.01em;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shade-1);
}
.logo-mark svg{width:50%;height:50%}
.site-menu{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;margin-left:8px}
.site-menu a{
  display:inline-flex;align-items:center;
  padding:8px 15px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:#31453A;
  transition:all .2s ease;
}
.site-menu a:hover{background:#EDEDE3;color:var(--ink)}
.site-menu a.is-active{background:#1B2921;color:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:50%;
  background:var(--card);
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:var(--ink);
  transition:all .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft)}
@media(max-width:1080px){
  .site-nav{width:calc(100% - 24px);top:12px;border-radius:28px;padding:8px 10px 8px 16px;gap:10px}
  .nav-toggle{display:inline-flex}
  .site-menu{
    display:none;
    position:fixed;
    top:72px;
    left:12px;
    right:12px;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid rgba(20,34,26,.09);
    border-radius:24px;
    box-shadow:var(--shade-2);
    padding:14px;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin-left:0;
    z-index:119;
  }
  .site-nav.is-open .site-menu{display:flex;animation:menuDrop .2s ease}
  .site-menu a{justify-content:center;font-size:15px;padding:12px 16px}
  .nav-actions{margin-left:auto}
  .nav-cta{display:none}
}
@keyframes menuDrop{
  from{opacity:.7;transform:translateY(-8px)}
  to{opacity:1;transform:translateY(0)}
}

/* 返回顶部 */
.to-top-btn{
  position:fixed;right:22px;bottom:22px;z-index:99;
  width:48px;height:48px;border-radius:50%;
  background:var(--dark);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;
  transform:translateY(12px);
  transition:all .3s ease;
  border:1px solid rgba(255,195,0,.4);
}
.to-top-btn.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top-btn:hover{background:#17301F}

/* Hero */
.hero{
  position:relative;
  min-height:720px;
  display:flex;
  align-items:center;
  padding:170px 0 92px;
  background:
    radial-gradient(ellipse at 62% 40%,rgba(255,195,0,.12),transparent 52%),
    url("/assets/images/backpic/back-1.jpg") center center / cover no-repeat var(--dark);
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(12,24,18,.78) 0%,rgba(12,24,18,.52) 44%,rgba(12,24,18,.28) 100%);
}
.hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-20px;
  width:480px;height:480px;
  background:linear-gradient(135deg,rgba(255,195,0,.22),transparent 68%);
  border-radius:50%;
  filter:blur(30px);
  pointer-events:none;
}
.hero .container{position:relative;z-index:3;width:100%}
.hero-panel{
  max-width:760px;
  padding:44px 52px;
  border:1px solid rgba(255,255,255,.16);
  background:linear-gradient(135deg,rgba(255,255,255,.13),rgba(255,255,255,.04));
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border-radius:var(--radius);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.5);
}
.hero .eyebrow{background:rgba(200,244,94,.16);color:#DFFFA4;font-weight:600}
.hero-title{
  font-size:clamp(2.2rem,4.6vw,3.8rem);
  color:#fff;
  line-height:1.16;
  margin-top:18px;
  letter-spacing:.01em;
  font-weight:800;
}
.hero-title .mark{color:var(--brand)}
.hero-lead{
  font-size:1.06rem;line-height:1.9;
  color:rgba(255,255,255,.88);
  margin-top:22px;
  max-width:620px;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-summary{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.8);
  font-size:14px;
}
.hero-summary span{display:inline-flex;align-items:center;gap:8px}
.hero-summary svg{color:var(--lime);flex:0 0 auto}
.hero-play{
  position:absolute;
  right:clamp(24px,7vw,120px);
  bottom:80px;
  z-index:4;
  width:76px;height:76px;border-radius:50%;
  background:var(--brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 42px rgba(255,195,0,.4),0 0 0 10px rgba(255,255,255,.1);
  animation:heroPulse 2.2s infinite;
  transition:all .2s;
  color:#1A1405;
}
.hero-play:hover{background:var(--lime);transform:scale(1.07);color:#152B00}
@keyframes heroPulse{
  0%,100%{box-shadow:0 16px 42px rgba(255,195,0,.4),0 0 0 8px rgba(255,255,255,.08)}
  50%{box-shadow:0 16px 50px rgba(255,195,0,.5),0 0 0 16px rgba(255,255,255,.02)}
}
@media(max-width:900px){
  .hero{min-height:0;padding-top:150px;padding-bottom:60px}
  .hero-play{position:relative;right:auto;bottom:auto;margin-top:32px;width:62px;height:62px}
  .hero-panel{padding:26px 22px;border-radius:18px}
}
@media(max-width:520px){
  .hero-summary{gap:10px 16px}
  .hero-ctas .btn{width:100%}
}

/* 快速能力条 */
.cap-strip{
  background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.07);
  padding:30px 0;
  border-radius:0 0 28px 28px;
}
.cap-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
}
.cap-item{display:flex;gap:14px;align-items:flex-start;color:#E7EFE8}
.cap-ic{width:42px;height:42px;border-radius:14px;background:rgba(200,244,94,.14);color:var(--lime);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.cap-t{color:#fff;font-weight:700;font-size:15px;margin-bottom:3px}
.cap-d{font-size:13px;color:#A9BBAF;line-height:1.6}
@media(max-width:900px){.cap-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){
  .cap-list{grid-template-columns:1fr}
  .cap-item{background:rgba(255,255,255,.04);padding:14px;border-radius:16px}
}

/* 对比法模块 */
.contrast{
  background:var(--surface);
}
.contrast-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contrast-col{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(22px,3vw,36px);
  box-shadow:var(--shade-1);
}
.contrast-col h3{font-size:1.45rem;margin-bottom:6px}
.contrast-col .sub{color:var(--muted);font-size:.98rem;margin-bottom:24px}
.contrast-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid #F2EEE2;
  color:var(--text);
}
.contrast-list li:last-child{border-bottom:0;padding-bottom:0}
.contrast-ic{flex:0 0 26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-top:1px}
.is-bad .contrast-ic{background:#FBE9E6;color:#CB4030}
.is-good .contrast-ic{background:rgba(200,244,94,.3);color:#4C7A00}
@media(max-width:860px){
  .contrast-grid{grid-template-columns:1fr}
  .contrast-col+.contrast-col{margin-top:0}
}

/* 功能 */
.features{
  background:var(--surface);
}
.feature-sticky-wrap{display:grid;grid-template-columns:minmax(0,45%) minmax(0,55%);gap:clamp(30px,5vw,64px)}
.feature-nav{
  position:sticky;top:110px;
}
.feature-nav .eyebrow{margin-bottom:14px}
.feature-nav h2{font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.28;margin-bottom:16px}
.feature-nav .tip{
  color:var(--muted);
  border-left:3px solid var(--brand);
  padding:8px 0 8px 16px;
  font-size:1.02rem;
  line-height:1.9;
}
.feature-panels{display:flex;flex-direction:column;gap:clamp(40px,6vw,64px)}
.feature-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:clamp(20px,2.4vw,28px);
  box-shadow:var(--shade-1);
  transition:all .3s ease;
}
.feature-panel:hover{box-shadow:var(--shade-2);transform:translateY(-2px)}
.feature-panel-media{
  border-radius:16px;
  overflow:hidden;
  background:#111;
  position:relative;
  aspect-ratio:16/9;
}
.feature-panel-media img{width:100%;height:100%;object-fit:cover}
.feature-panel-media::after{
  content:"";
  position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14),inset 0 -40px 70px rgba(0,0,0,.25);
  border-radius:16px;
}
.feature-panel .fp-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  background:var(--brand-soft);
  color:#5D4800;
  border-radius:12px;
  font-weight:800;
  font-size:14px;
  margin-top:20px;
}
.feature-panel h3{font-size:clamp(1.2rem,2.4vw,1.65rem);margin-top:14px}
.feature-panel .desc{margin-top:8px;color:var(--muted);font-size:.95rem;line-height:1.8}
.fp-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.fp-tags span{
  display:inline-flex;
  background:#F6F3E8;
  border:1px solid #F0E8CD;
  color:#4E5037;
  font-size:12.5px;
  border-radius:999px;
  line-height:1;
  padding:7px 11px;
}
.fp-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.fp-list li{display:flex;gap:10px;font-size:14px;color:var(--text)}
.fp-list svg{width:5px;color:var(--brand-deep);flex:0 0 5px}
@media(max-width:980px){
  .feature-sticky-wrap{grid-template-columns:1fr}
  .feature-nav{position:static}
}

/* 场景 */
.scenes{
  background:var(--card);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.scene-row{
  border-radius:24px;
  overflow:hidden;
  margin-bottom:32px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shade-1);
}
.scene-inner{
  display:grid;
  grid-template-columns:minmax(0,57%) minmax(0,43%);
  min-height:420px;
}
.scene-row--flip .scene-inner{grid-template-columns:minmax(0,43%) minmax(0,57%)}
.scene-media{position:relative;overflow:hidden;min-height:360px}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.scene-row:hover .scene-media img{transform:scale(1.03)}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(250deg,transparent 25%,rgba(6,16,10,.42));pointer-events:none}
.scene-label{
  position:absolute;left:20px;top:20px;z-index:3;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-radius:999px;
  color:#25352C;
  font-size:13px;
  padding:6px 13px;
  font-weight:700;
}
.scene-txt{padding:clamp(26px,4vw,52px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.scene-txt h3{font-size:clamp(1.3rem,2.5vw,1.9rem)}
.scene-txt p{color:var(--muted);margin-top:14px;font-size:.99rem}
.scene-txt ul{width:100%;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.scene-txt li{position:relative;padding-left:22px;font-size:14px;color:#3B493F}
.scene-txt li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:3px;
  background:var(--brand);
}
@media(max-width:900px){
  .scene-inner,.scene-row--flip .scene-inner{grid-template-columns:1fr}
  .scene-media{min-height:250px;order:0}
}

/* 案例 */
.cases{background:var(--surface)}
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:28px;align-items:end}
.case-main{
  grid-column:span 6;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shade-1);
  transition:all .3s ease;
}
.case-main:hover{transform:translateY(-4px);box-shadow:var(--shade-2)}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.case-media img{transition:transform .7s ease}
.case-main:hover .case-media img{transform:scale(1.04)}
.case-media .case-time{
  position:absolute;left:18px;bottom:14px;z-index:3;
  background:rgba(13,23,18,.7);
  -webkit-backdrop-filter:blur(5px);
  backdrop-filter:blur(5px);
  color:#fff;font-size:12px;padding:4px 11px;border-radius:999px;
}
.case-txt{padding:24px 28px 28px}
.case-txt .c-role{font-size:13px;color:var(--muted)}
.case-txt h3{font-size:1.3rem;margin-top:8px}
.case-txt p{font-size:.94rem;color:var(--muted);margin-top:10px}
.case-side{
  grid-column:span 6;
  display:flex;flex-direction:column;gap:24px;
}
.side-card{
  background:var(--dark);
  border-radius:24px;
  color:#fff;
  padding:32px;
  position:relative;
  overflow:hidden;
}
.side-card::after{
  content:"▶";position:absolute;right:-30px;bottom:-30px;
  font-size:90px;color:rgba(200,244,94,.1);
}
.side-card h3{color:#fff;font-size:1.25rem;margin-bottom:16px}
.side-card .metric-list{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:18px}
.metric-item{flex:1 0 160px;background:rgba(255,255,255,.07);border-radius:16px;padding:14px;border:1px solid rgba(255,255,255,.08)}
.metric-icon{font-size:22px;font-weight:900;color:var(--lime)}
.metric-item b{display:block;font-size:1.25rem;color:#fff;margin-top:6px}
.metric-item span{font-size:12.5px;color:#BFCCC3}
.side-card p{font-size:14px;color:#C7D3CB;margin-top:6px}
.side-list{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.side-list li{background:rgba(255,255,255,.1);border-radius:8px;font-size:12.5px;padding:5px 10px;color:#E4EAE5}
.case-blockquote{
  background:var(--cart,var(--brand-soft));
  border:1px solid #F4D96E;
  border-radius:18px;
  padding:20px 22px;
  color:#3D3410;
}
.case-blockquote strong{display:block;margin-bottom:8px}
.case-blockquote p{font-size:14px;line-height:1.75}
@media(max-width:980px){
  .case-main,.case-side{grid-column:span 12}
}

/* 资讯区 */
.updates{
  background:var(--card);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.update-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,370px);gap:clamp(32px,5vw,56px)}
.update-list li{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:18px;
  align-items:baseline;
  padding:20px 14px;
  border-bottom:1px solid #F1ECDF;
  transition:background .2s ease;
}
.update-list li:hover{background:#FCF9EE;border-radius:16px}
.update-list .date{color:var(--muted);font-size:13px}
.update-list h3{font-size:1.03rem}
.update-list h3 a:hover{color:#7A5500}
.update-list p{grid-column:2;color:var(--muted);font-size:14px}
.hot-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:26px;
  box-shadow:var(--shade-1);
}
.hot-panel h3{font-size:1.12rem;margin-bottom:4px}
.hot-panel .sub{color:var(--muted);font-size:13px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #ECE7D8}
.hot-list{padding:0;margin:0}
.hot-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0}
.hot-list i{
  flex:0 0 auto;
  width:22px;height:22px;
  background:var(--brand-soft);
  border-radius:8px;
  color:#3C5500;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;
  font-style:normal;
  box-sizing:border-box;
  border:1px solid #F1E1A7;
}
.hot-list a{font-size:14px;line-height:1.6}
.hot-list a:hover{color:#784F00}
@media(max-width:820px){
  .update-grid{grid-template-columns:1fr}
  .update-list li{grid-template-columns:110px 1fr}
}

/* 价格 */
.pricing{background:var(--surface)}
.price-heading-row{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:end;margin-bottom:36px}
.price-toggle{display:inline-flex;background:#EDEADE;border-radius:999px;padding:5px;align-items:center;gap:4px}
.price-toggle a{
  color:var(--text);padding:8px 19px;border-radius:999px;font-size:14px;font-weight:600;
  background:transparent;transition:all .2s;
}
.price-toggle a:hover{color:var(--ink)}
.price-toggle a.is-on{background:#1B2921;color:#fff}
.price-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.price-card{
  background:var(--card);
  border:1px solid var(--line-deep);
  border-radius:24px;
  padding:32px 28px 28px;
  box-shadow:var(--shade-1);
  position:relative;
  display:flex;
  flex-direction:column;
}
.price-card.focus{
  background:linear-gradient(140deg,#10231A,#0C1A12);
  color:#fff;
  border:1px solid var(--lime);
  box-shadow:0 30px 58px -18px rgba(13,23,18,.44);
  transform:translateY(-6px);
}
.price-card.focus h3{color:#fff}
.price-card .plan-name{font-size:1.2rem}
.price-card .plan-desc{font-size:13px;color:var(--muted);margin-top:4px;min-height:40px}
.price-card.focus h3,
.price-card.focus .plan-desc,
.price-card.focus .price-note,
.price-card.focus .plan-desc{color:#D9DED7}
.price-card.focus .plan-desc{color:#A9BCAE}
.price-main{display:flex;align-items:baseline;gap:8px;margin-top:22px}
.price-main .price-now{
  font-family:var(--font);font-size:2.4rem;font-weight:800;
}
.price-main .price-y{font-size:1rem;font-weight:700}
.price-note{font-size:13px;color:var(--muted);margin-top:6px}
.price-card .btn{margin-top:22px;justify-content:center}
.plan-features{margin-top:26px;border-top:1px solid rgba(20,34,26,.08);padding-top:20px;display:flex;flex-direction:column;gap:11px}
.price-card.focus .plan-features{border-color:rgba(255,255,255,.16)}
.plan-features li{display:flex;gap:9px;align-items:center;font-size:14px}
.plan-features li .x{color:#93A197;margin-left:auto}
.plan-features li.off{opacity:.5}
.plan-features svg{color:var(--brand-deep);flex:0 0 auto}
.price-card.focus .plan-features svg{color:var(--lime)}
@media(max-width:980px){
  .price-grid{grid-template-columns:1fr;gap:16px}
  .price-card.focus{transform:translateY(0)}
  .price-card{max-width:560px;width:100%;margin-inline:auto}
}

/* FAQ */
.faq{background:var(--dark);color:#D4DDD5}
.faq .section-head h2{color:#fff}
.faq .section-head p{color:#A5B6AB}
.faq-wrap{max-width:880px;margin-inline:auto}
.qa-row{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  margin-bottom:12px;
  overflow:hidden;
  transition:all .3s ease;
}
.qa-row summary{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;
  padding:20px 24px;
  color:#fff;
  font-weight:600;
  cursor:pointer;
  font-size:1.02rem;
}
.qa-row summary::after{
  content:"+";
  flex:0 0 30px;
  height:30px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:var(--brand);
  font-weight:400;
  transition:all .25s ease;
}
.qa-row[open] summary::after{transform:rotate(45deg);background:var(--brand);color:#241A00}
.qa-ans{padding:0 24px 22px;color:#C7D2C9;font-size:15px;line-height:1.9}

/* CTA横条 */
.cta-band{
  padding:clamp(64px,9vw,96px) 0;
  background:var(--lime);
  color:#19230D;
  position:relative;
  overflow:hidden;
}
.cta-band .container{position:relative;z-index:3}
.cta-inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-l h2{font-size:clamp(1.8rem,3vw,2.6rem);color:#15200A}
.cta-l p{margin-top:10px;max-width:720px;color:#3E4F2E}
.cta-btn{border-radius:999px;background:#15200A;color:var(--lime);padding:15px 28px;font-weight:700;display:inline-flex;gap:8px}
.cta-btn:hover{background:#030b03;color:#fff}
.cta-band::after{
  content:"";
  position:absolute;right:-44px;top:-20px;
  width:240px;height:240px;
  border:46px solid rgba(255,255,255,.25);
  border-radius:50%;
}

/* 页脚 */
.footer{background:#09120E;color:#A3B4AA;padding-top:74px}
.footer .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer .footer-brand .brand-logo{color:#fff}
.footer .footer-brand p{font-size:14px;line-height:1.8;color:#8A9B91;margin-top:18px;max-width:360px}
.footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer ul li{margin-bottom:10px}
.footer ul li a{font-size:14px;color:#9DAFA4;transition:all .2s}
.footer ul li a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  color:#778A80;font-size:13px;
}
@media(max-width:900px){
  .footer .footer-top{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:560px){
  .footer .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}

@media (prefers-reduced-motion: no-preference){
  .hero .hero-play{animation:heroPulse 2.4s infinite}
}
.promo-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  justify-content:center;
  padding:8px 16px;
  background:var(--dark);
  color:#fff;
}
.promo-bar a{font-weight:700;color:var(--brand)}
.promo-bar *{font-size:13px}

/* roulang page: category1 */
/* ===== roulang 设计系统：category1 ===== */
:root{
  --brand:#FFC300;
  --brand-deep:#F0AE00;
  --brand-soft:#FFF4CC;
  --lime:#C8F45E;
  --dark:#0D1712;
  --dark2:#111A15;
  --void:#0B1110;
  --surface:#F7F5EE;
  --card:#FFFFFF;
  --ink:#14221A;
  --text:#2D3B33;
  --muted:#6E7D74;
  --line:rgba(20,34,26,.1);
  --line-deep:rgba(20,34,26,.18);
  --shade-1:0 1px 2px rgba(16,24,20,.04);
  --shade-2:0 16px 40px -16px rgba(16,24,20,.16);
  --shade-3:0 28px 60px -20px rgba(13,23,18,.28);
  --radius:20px;
  --r-sm:14px;
  --container:1200px;
  --gap:24px;
  --section:clamp(72px,8vw,118px);
  --speed:.25s;
  --font:"Inter","Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:116px}
body{
  margin:0;
  background:var(--surface);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
p,h1,h2,h3,h4,h5,figure,ul,ol,dl,dd{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.container--wide{max-width:1280px}
.section{padding-block:var(--section)}
.is-hidden{display:none!important}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px}
::selection{background:var(--brand);color:var(--ink)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:44px;padding:11px 26px;border-radius:999px;
  font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;line-height:1.2;
}
.btn:active{transform:translateY(0)}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--brand);color:#241A00;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);box-shadow:0 10px 36px rgba(240,174,0,.36)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:#284736;box-shadow:var(--shade-2)}
.btn-lime{background:var(--lime);color:#1B2A00;border-color:var(--lime)}
.btn-lime:hover{background:#dcff89;border-color:#dcff89;box-shadow:0 10px 34px rgba(200,244,94,.28)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-light:hover{border-color:var(--line-deep);box-shadow:var(--shade-2)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.65)}

/* 悬浮胶囊导航 */
.site-nav{
  position:fixed;
  z-index:200;
  top:14px;
  left:50%;
  transform:translateX(-50%);
  width:min(1160px,calc(100% - 28px));
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid rgba(20,34,26,.09);
  border-radius:999px;
  box-shadow:var(--shade-1),0 12px 34px rgba(13,23,18,.06);
  display:flex;
  align-items:center;
  gap:16px;
  padding:7px 8px 7px 15px;
  transition:box-shadow .3s ease,background .3s ease;
}
.site-nav.is-scrolled{background:rgba(255,255,255,.92);box-shadow:var(--shade-2)}
.brand-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:1.15rem;letter-spacing:.01em;flex:0 0 auto;margin:0 2px 0 0}
.logo-mark{width:38px;height:38px;border-radius:50%;background:var(--brand);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shade-1);flex:0 0 auto}
.logo-mark svg{width:52%;height:52%}
.logo-mark span{font-size:18px;line-height:1;color:#241A00}
.site-menu{display:flex;align-items:center;flex-wrap:nowrap;margin-left:4px}
.site-menu a{
  display:inline-flex;align-items:center;
  padding:8px 15px;border-radius:999px;
  font-size:14px;font-weight:500;color:#31453A;
  transition:background .2s,color .2s;
}
.site-menu a:hover{background:#EDEDE3;color:var(--ink)}
.site-menu a.is-active{background:var(--ink);color:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink);
  transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:var(--brand-soft)}
.to-top-btn{
  position:fixed;right:22px;bottom:22px;z-index:120;
  width:48px;height:48px;border-radius:50%;
  background:var(--dark);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .3s,transform .3s,background .2s;
  border:1px solid rgba(255,195,0,.4);
}
.to-top-btn.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top-btn:hover{background:#1B3527}

/* ===== 分类页页头 ===== */
.cat-hero{
  padding:150px 0 66px;
  position:relative;
  background:linear-gradient(135deg,rgba(13,23,18,.85),rgba(13,23,18,.58)),url('/assets/images/backpic/back-4.jpg') center/cover no-repeat var(--dark);
  color:#fff;
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-100px;top:-100px;
  width:380px;height:380px;
  border:1px solid rgba(255,195,0,.28);
  border-radius:50%;
  box-shadow:0 0 0 40px rgba(255,195,0,.05),0 0 0 90px rgba(255,195,0,.03);
  pointer-events:none;
}
.cat-hero__inner{position:relative;z-index:2;max-width:920px}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);
  margin-bottom:24px;
}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb svg{width:14px;height:14px;opacity:.6}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,195,0,.16);
  border:1px solid rgba(255,195,0,.45);
  color:#FFD45E;
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(2.4rem,4.6vw,3.9rem);
  line-height:1.16;
  font-weight:800;
  letter-spacing:.01em;
  color:#fff;
  margin-bottom:20px;
}
.cat-hero h1 .wave{color:var(--brand)}
.cat-hero__lead{
  max-width:820px;
  font-size:clamp(1rem,1.4vw,1.13rem);
  color:rgba(255,255,255,.86);
  line-height:1.95;
}
.cat-hero__stats{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.2);
}
.cat-hero__stat{display:flex;align-items:center;gap:10px;font-size:14px}
.cat-hero__stat b{color:var(--brand);font-size:17px}

/* 快捷 chips */
.chips-wrap{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:9}
.chips-scroll{
  display:flex;gap:10px;
  padding-top:20px;padding-bottom:18px;
  overflow-x:auto;
  scrollbar-width:none;
  border-top:1px solid var(--line);
}
.chips-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  border:1px solid var(--line);
  background:#FBF9F2;
  padding:9px 19px;border-radius:999px;
  color:var(--text);font-size:14px;font-weight:600;
  transition:background .2s,border-color .2s,color .2s,box-shadow .2s;
}
.chip:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--ink)}
.chip:active{transform:scale(.97)}
.chip-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr}
.chip-grid .page-row-cta-col{justify-self:end}

/* ===== 分类内容主体 ===== */
.scene-list{padding-top:10px;padding-bottom:20px}
.scene-list__intro{
  padding:40px 0 40px;
  max-width:860px;
}
.scene-list__intro .helper-title{
  font-size:15px;font-weight:700;color:var(--ink);
  margin-bottom:8px;letter-spacing:.06em;
}
.scene-list__intro h2{
  font-size:clamp(1.9rem,3.2vw,2.55rem);
  line-height:1.3;color:var(--ink);
  margin:10px 0 16px;
}
.scene-list__intro p{
  color:var(--muted);font-size:1.03rem;
  line-height:1.95;
}
.scene-entry{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:32px;
  box-shadow:var(--shade-1);
  transition:box-shadow .3s ease,transform .3s ease;
  overflow:hidden;
  scroll-margin-top:110px;
}
.scene-entry:hover{box-shadow:var(--shade-3)}
.scene-entry__grid{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
}
.scene-entry:nth-child(even) .scene-entry__grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.scene-entry--accent .scene-entry__content{
  background:
    radial-gradient(circle at 12% 90%,rgba(255,195,0,.09),transparent 28%);
}
.scene-entry__media{
  position:relative;
  background:#F3EEDF;
  min-height:300px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.scene-entry:nth-child(even) .scene-entry__media{order:2}
.scene-entry__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.scene-entry:hover .scene-entry__media img{transform:scale(1.04)}
.scene-entry__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,23,18,0) 46%,rgba(13,23,18,.5) 100%);
}
.scene-entry__cover-tag{
  position:absolute;left:18px;top:18px;z-index:3;
  background:rgba(13,23,18,.74);
  color:var(--lime);
  border:1px solid rgba(200,244,94,.3);
  border-radius:999px;
  padding:5px 14px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.scene-entry__play{
  position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  width:68px;height:68px;border-radius:50%;
  background:rgba(255,195,0,.95);
  display:flex;align-items:center;justify-content:center;
  color:#241A00;font-size:22px;
  box-shadow:0 14px 32px rgba(13,23,18,.4);
  transition:background .3s,transform .3s;
  z-index:4;animation:hintPulse 2.4s infinite;
}
@keyframes hintPulse{
  0%,100%{box-shadow:0 0 0 4px rgba(255,195,0,.35),0 14px 32px rgba(13,23,18,.4)}
  50%{box-shadow:0 0 0 14px rgba(255,195,0,.06),0 14px 32px rgba(13,23,18,.4)}
}
.scene-entry__timebar{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  height:4px;
  background:rgba(255,255,255,.18);
}
.scene-entry__timebar i{
  display:block;height:100%;width:62%;
  background:var(--brand);
}
.scene-entry__content{
  padding:clamp(26px,3.2vw,44px);
  display:flex;flex-direction:column;
}
.scene-entry__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{
  border:1px solid transparent;
  background:var(--brand-soft);
  color:#784E00;
  padding:4px 13px;font-size:13px;font-weight:500;border-radius:999px;
  letter-spacing:.02em;
}
.tag--lime{background:#EDFFF2;color:#387047;border-color:#D5F9DE}
.tag--dark{background:#F0F1EC;color:#3B4B42;border-color:var(--line)}
.scene-entry__number{
  font-size:13px;font-weight:700;
  letter-spacing:.08em;
  color:#B99A3E;
  margin-bottom:6px;
}
.scene-entry__content h2{
  font-size:clamp(1.45rem,2.3vw,1.95rem);
  line-height:1.4;
  color:var(--ink);
  margin-bottom:14px;
  font-weight:800;
}
.scene-entry__desc{
  color:var(--text);font-size:1rem;
  display:flex;flex-direction:column;gap:12px;
}
.scene-entry__desc p{color:var(--text)}
.scene-entry__feature-list{
  list-style:none;
  padding:0;
  margin-top:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.scene-entry__feature-list li{
  position:relative;
  padding-left:33px;
  font-size:15px;
  line-height:1.75;
  color:var(--text);
}
.scene-entry__feature-list li::before{
  content:"";
  position:absolute;left:0;top:7px;
  width:18px;height:18px;border-radius:50%;
  background:var(--lime);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%231B2A00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 10 3.5 3.5 7.5-7.5'/%3E%3C/svg%3E");
  background-size:11px;
  background-position:center 5px;
  background-repeat:no-repeat;
}
.scene-entry__foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed var(--line-deep);
  margin-top:26px;padding-top:18px;
}
.scene-entry__meta{
  color:var(--muted);font-size:13px;
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.scene-entry__more{
  height:38px;padding:0 16px;
  font-size:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  display:inline-flex;align-items:center;
  color:var(--text);font-weight:600;
  transition:all .25s ease;
}
.scene-entry__more:hover{border-color:var(--brand);background:var(--brand-soft);color:#5A3B00}

/* 中段深色CTA */
.deep-box{
  position:relative;
  border-radius:var(--radius);
  background:linear-gradient(92deg,rgba(200,244,94,.13),rgba(200,244,94,.06)),linear-gradient(135deg,#0E1C14,#14251C);
  border:1px solid rgba(200,244,94,.26);
  padding:clamp(32px,5vw,56px);
  margin:24px 0 16px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px;
  align-items:center;
  overflow:hidden;
  color:#fff;
}
.deep-box::before{
  content:"";
  position:absolute;
  right:-70px;bottom:-80px;
  background:var(--brand);
  width:230px;height:230px;border-radius:50%;
  opacity:.1;
}
.deep-box__title{
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:800;
  line-height:1.4;
  margin-bottom:12px;
  letter-spacing:.01em;
}
.deep-box__desc{color:rgba(255,255,255,.78);max-width:680px}
.deep-box__actions{display:flex;gap:12px;flex-wrap:wrap;z-index:2}

/* FAQ 区 */
.faq-section{
  margin-top:52px;
  background:#fff;
  border-radius:var(--radius);
  border:1px solid var(--line);
  box-shadow:var(--shade-1);
  padding:34px;
}
.faq-section__head{
  display:flex;align-items:flex-start;justify-content:space-between;
  margin-bottom:26px;
}
.faq-section h3{
  font-size:clamp(1.5rem,2.5vw,1.9rem);
  font-weight:800;color:var(--ink);
  letter-spacing:.01em;
}
.faq-section__side{align-self:flex-end;font-size:13px;color:var(--muted);white-space:nowrap;padding-left:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
details.faq-card{
  background:#FAF8F0;
  border:1px solid var(--line);
  border-radius:15px;
  transition:.25s ease;
}
details.faq-card[open]{background:#fff;border-color:var(--brand);box-shadow:var(--shade-1)}
.faq-card summary{
  list-style:none;cursor:pointer;
  font-weight:700;color:var(--ink);font-size:15px;
  padding:18px 20px;
  display:flex;justify-content:space-between;align-items:center;
  line-height:1.7;
  transition:color .2s;
}
.faq-card summary::-webkit-details-marker{display:none}
.faq-card summary:hover{color:#5A3B00}
.faq-card summary::after{
  content:"+";
  flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  background:var(--brand);
  color:#241A00;
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:800;
  margin-left:16px;
  transition:transform .25s;
}
details.faq-card[open] summary::after{transform:rotate(135deg)}
.faq-card__body{
  padding:0 20px 20px;
  color:var(--text);line-height:1.85;
  font-size:14.5px;
  margin-top:-8px;
}
.faq-card__body a{color:#0A8050;text-decoration:underline}

/* 侧边补充：相关入口 */
.related-outro{
  margin-top:30px;
  background:#FFF8D9;
  border:1px solid #F2E29B;
  border-radius:var(--radius);
  padding:clamp(24px,4vw,42px);
  display:flex;
  align-items:center;justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
}
.related-outro h3{font-size:clamp(1.35rem,2vw,1.6rem);color:#2A2300;line-height:1.4}
.related-outro p{color:#6B5E00;font-size:14.5px;margin-top:6px}
.related-outro .btn{background:#211A00;color:#FFD45E;border-color:#211A00}
.related-outro .btn:hover{background:#3B2E00;border-color:#3B2E00}

/* 页脚 */
.footer{
  background:#0B1510;
  color:#A5B6AC;
  padding-top:clamp(64px,7vw,90px);
  margin-top:clamp(64px,7vw,96px);
  border-top:1px solid rgba(255,195,0,.2);
}
.footer .container{max-width:1240px;padding-inline:24px}
.footer-top{
  display:grid;
  grid-template-columns:1.8fr 1fr 1fr 1fr;
  gap:44px;
}
.footer .brand-logo{color:#fff;font-size:1.25rem;margin-bottom:16px}
.footer-brand p{
  color:#87998E;
  font-size:14px;
  max-width:360px;
  line-height:1.9;
  margin-top:15px;
}
.footer h4{font-size:15px;margin-bottom:17px;color:#fff;letter-spacing:.03em}
.footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer ul a{font-size:14px;color:#96A89C;transition:color .2s}
.footer ul a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:50px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;
  display:flex;
  align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.53);
}

/* 返回顶部按钮 svg */
.to-top-btn svg{width:20px;height:20px}

/* ===== 响应式 ===== */
@media (max-width:1060px){
  .site-menu a{padding:8px 12px;font-size:13px}
}
@media (max-width:920px){
  .site-nav{width:calc(100% - 24px);top:12px;border-radius:26px;padding:7px 8px 7px 14px;gap:8px}
  .brand-logo{font-size:1.05rem}
  .logo-mark{width:35px;height:35px}
  .nav-cta{display:none!important}
  .site-menu{
    display:none;
    position:fixed;top:72px;left:12px;right:12px;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border:1px solid rgba(20,34,26,.1);
    border-radius:24px;
    box-shadow:var(--shade-2);
    padding:14px;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin-left:0;
    z-index:15;
  }
  .site-nav.is-open .site-menu{display:flex;animation:dropIn .25s ease}
  .site-menu a{justify-content:center;font-size:15px;padding:12px 16px}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .scene-entry__grid,.scene-entry:nth-child(even) .scene-entry__grid{grid-template-columns:1fr}
  .scene-entry:nth-child(even) .scene-entry__media{order:0}
  .scene-entry__media{min-height:260px;max-height:420px}
  .deep-box{grid-template-columns:1fr}
  .deep-box__actions .btn{width:100%}
  .faq-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:600px){
  .container,.footer .container{padding-inline:16px}
  .cat-hero{padding-top:132px;padding-bottom:52px}
  .cat-hero h1{font-size:2.1rem}
  .category-chips{padding-top:10px}
  .chips-scroll{padding-top:16px}
  .scene-entry__content{padding:24px 20px}
  .scene-entry__feature-list li{margin-bottom:4px}
  .scene-entry__meta{font-size:12px}
  .faq-section{padding:22px;border-radius:16px}
  .faq-grid{grid-template-columns:1fr}
  .faq-section__head{flex-direction:column;gap:10px}
  .related-outro .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:center;text-align:center}
  .chips-scroll{padding-bottom:14px}
  .scene-entry__foot{flex-direction:column;align-items:flex-start;gap:14px}
  .scene-entry__more{width:100%;justify-content:center}
}
@keyframes dropIn{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:translateY(0)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto}
}