/* roulang page: index */
:root{
  --c-primary:#1A5C57;
  --c-primary-dark:#144744;
  --c-primary-soft:#2A7A73;
  --c-accent:#C9782B;
  --c-accent-dark:#A86220;
  --c-bg:#F4F0E8;
  --c-bg-alt:#E7EEE9;
  --c-card:#FFFDF8;
  --c-dark:#1C2624;
  --c-dark-2:#24302D;
  --c-text:#1F2422;
  --c-muted:#5C6562;
  --c-line:#D8D2C6;
  --c-line-dark:#2F3C39;
  --c-paper:#F7F3EB;
  --c-white:#FFFdf8;
  --radius:11px;
  --radius-sm:8px;
  --radius-btn:7px;
  --shadow:0 10px 28px rgba(28,38,36,.08);
  --shadow-hover:0 14px 32px rgba(28,38,36,.14);
  --container:1200px;
  --nav-h:72px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --space-section:104px;
  --space-section-m:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.85;
  font-size:16px;
  min-width:320px;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--c-accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.35;color:var(--c-text);margin:0 0 .7em}
h1{font-size:clamp(28px,4vw,46px);font-weight:700}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:18px}
h3{font-size:20px;font-weight:700;margin-bottom:10px}
p{margin:0 0 .85em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
.container{width:min(100% - 40px,var(--container));margin:0 auto}
.skip{
  position:absolute;left:-999px;top:8px;background:var(--c-primary);color:#fff;padding:8px 14px;z-index:10000;border-radius:var(--radius-btn)
}
.skip:focus{left:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1.2;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  border-bottom:2px solid transparent;
}
.btn-primary{background:var(--c-primary);color:#F7F3EB;border-bottom-color:#0F3B37}
.btn-primary:hover,.btn-primary:active{background:var(--c-primary-dark);color:#fff;border-bottom-color:var(--c-accent);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#F7F3EB;border:1px solid rgba(247,243,235,.55);border-bottom-width:2px}
.btn-ghost:hover{border-color:var(--c-accent);color:#fff;background:rgba(201,120,43,.16)}
.btn-line{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);border-bottom-width:2px}
.btn-line:hover{background:var(--c-primary);color:#fff;border-bottom-color:var(--c-accent)}
.btn-accent{background:var(--c-accent);color:#fff;border-bottom-color:var(--c-accent-dark)}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;
  border:1px solid var(--c-line);border-radius:6px;background:rgba(255,253,248,.7);
  font-size:12px;color:var(--c-muted);letter-spacing:.04em
}
.kicker{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--c-accent);font-weight:700;margin-bottom:10px}
.lead{font-size:16px;color:var(--c-muted);max-width:760px;line-height:1.88}
.section{padding:var(--space-section) 0;position:relative}
.section-alt{background:var(--c-bg-alt)}
.section-paper{background:var(--c-paper)}
.section h2 + .lead{margin-top:6px;margin-bottom:36px}
.topbar{
  background:#EEF3EF;border-bottom:1px solid #DCE6DF;color:var(--c-muted);font-size:13px;height:36px;
  display:flex;align-items:center
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar a{color:var(--c-text)}
.topbar a:hover{color:var(--c-primary)}
.trust-dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block;margin-right:6px}
.top-cta{color:var(--c-primary)!important;font-weight:700}
.site-header{
  position:sticky;top:0;z-index:900;background:rgba(255,253,248,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .2s ease,background .2s ease,border-color .2s ease
}
.site-header.is-solid{background:#FFFDF8;box-shadow:0 8px 20px rgba(28,38,36,.06);border-bottom-color:var(--c-line)}
body.is-scrolled .topbar{display:none}
.navbar{height:var(--nav-h);display:flex;align-items:center}
.navbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text)!important;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:6px;background:var(--c-primary);color:#F4F0E8;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;font-size:18px
}
.logo-text{font-family:var(--font-serif);font-size:16px;font-weight:700;letter-spacing:.04em}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none}
.nav-list a{
  position:relative;display:block;padding:8px 12px;color:var(--c-text);font-size:15px;font-weight:500
}
.nav-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease
}
.nav-list a:hover::after,.nav-list a.is-active::after{transform:scaleX(1)}
.nav-list a.is-active{color:var(--c-primary)}
.nav-right{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--c-text);transition:transform .2s ease,opacity .2s ease}
.drawer{
  position:fixed;inset:0;background:rgba(28,38,36,.46);z-index:950;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(86vw,360px);background:var(--c-card);
  padding:28px 22px;transform:translateX(100%);transition:transform .25s ease;box-shadow:-12px 0 32px rgba(28,38,36,.16)
}
.drawer.is-open .drawer-panel{transform:none}
.drawer-panel a{display:block;padding:14px 8px;border-left:3px solid transparent;color:var(--c-text);font-size:16px}
.drawer-panel a.is-active,.drawer-panel a:hover{border-left-color:var(--c-primary);color:var(--c-primary);background:#F3F7F4}
.drawer-close{position:absolute;top:12px;right:12px;width:44px;height:44px;font-size:24px;color:var(--c-text)}
.hero{position:relative;min-height:calc(100vh - 108px);min-height:620px;color:#F7F3EB;overflow:hidden;background:var(--c-dark)}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s ease,visibility .6s ease;
  background-size:cover;background-position:center
}
.hero-slide.is-active{opacity:1;visibility:visible;z-index:1}
.hero-slide::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(20,28,26,.82) 0%,rgba(20,28,26,.58) 48%,rgba(20,28,26,.28) 100%),
    radial-gradient(rgba(247,243,235,.08) 1px, transparent 1px);
  background-size:auto, 18px 18px;
}
.hero-content{position:relative;z-index:2;width:min(100% - 40px,var(--container));margin:0 auto;padding:92px 0 150px;max-width:760px}
.brand-lock{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;padding:6px 12px;border:1px solid rgba(247,243,235,.28);border-radius:6px;font-size:13px;letter-spacing:.12em}
.hero h1,.hero-title{font-family:var(--font-serif);font-size:clamp(28px,4.2vw,46px);line-height:1.28;margin:0 0 18px;color:#F7F3EB;font-weight:700}
.hero-intro{font-size:16px;line-height:1.9;color:rgba(247,243,235,.9);margin-bottom:28px;max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-series{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  background:rgba(28,38,36,.72);border-top:1px solid rgba(201,120,43,.45);backdrop-filter:blur(8px)
}
.hero-series .container{display:flex;align-items:stretch;overflow-x:auto;scrollbar-width:none}
.hero-series a{
  flex:1 0 auto;min-width:140px;padding:16px 12px;color:#F7F3EB;text-align:center;font-size:14px;border-right:1px solid rgba(247,243,235,.1)
}
.hero-series a span{display:block;font-size:12px;color:rgba(247,243,235,.62);margin-top:4px}
.hero-series a:hover{background:rgba(201,120,43,.18);color:#fff}
.hero-nav-btn{
  position:absolute;top:46%;z-index:4;width:44px;height:44px;border-radius:6px;
  background:rgba(247,243,235,.12);color:#fff;border:1px solid rgba(247,243,235,.28);font-size:20px
}
.hero-nav-btn:hover{background:var(--c-primary)}
.hero-prev{left:18px}
.hero-next{right:18px}
.hero-dots{position:absolute;right:28px;top:28px;z-index:4;display:flex;gap:8px}
.hero-dots button{width:10px;height:10px;border-radius:50%;background:rgba(247,243,235,.35);border:0}
.hero-dots button.is-active{background:var(--c-accent);transform:scale(1.15)}
.sell-list{display:flex;flex-direction:column;gap:16px}
.sell-item{
  display:grid;grid-template-columns:120px 1fr 220px;gap:24px;align-items:center;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:22px 22px;
  transition:transform .2s ease,box-shadow .2s ease
}
.sell-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.sell-no{font-family:var(--font-serif);font-size:52px;font-weight:700;color:var(--c-accent);line-height:1;letter-spacing:-.04em}
.sell-item h3{margin-bottom:8px}
.sell-item p{color:var(--c-muted);font-size:15px;line-height:1.8}
.sell-item img{width:100%;height:118px;object-fit:cover;border-radius:8px;border:1px solid var(--c-line)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split img,.media-frame img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--c-line);box-shadow:var(--shadow)}
.media-frame{position:relative}
.media-frame figcaption{
  position:absolute;left:16px;bottom:16px;background:rgba(28,38,36,.82);color:#F7F3EB;
  padding:8px 12px;border-radius:6px;font-size:13px;border-left:3px solid var(--c-accent)
}
.check-list{margin:18px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding:8px 0 8px 26px;color:var(--c-text)}
.check-list li::before{content:"";position:absolute;left:0;top:16px;width:12px;height:7px;border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(-45deg)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 1px 0 rgba(28,38,36,.02);transition:transform .2s ease,box-shadow .2s ease
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.card img{width:100%;height:168px;object-fit:cover}
.card-body{padding:20px 20px 22px}
.card-body p{color:var(--c-muted);font-size:15px;min-height:5.4em}
.card-link{display:inline-flex;margin-top:8px;font-weight:700;font-size:14px;color:var(--c-primary)}
.card-link:hover{color:var(--c-accent)}
.flow-track{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;position:relative;margin-top:8px}
.flow-track::before{
  content:"";position:absolute;left:6%;right:6%;top:28px;height:2px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));opacity:.35
}
.flow-step{position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:16px 14px 18px;text-align:left}
.flow-num{
  width:36px;height:36px;border-radius:50%;background:var(--c-primary);color:#F7F3EB;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px;position:relative;z-index:1
}
.flow-step img{width:100%;height:92px;object-fit:cover;border-radius:8px;margin:8px 0 10px}
.flow-step h3{font-size:16px;margin-bottom:6px}
.flow-step p{font-size:13px;color:var(--c-muted);line-height:1.7}
.mid-cta{margin-top:32px;display:flex;justify-content:center}
.mod-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.mod-side{display:grid;gap:22px}
.mod-main{position:relative;min-height:100%}
.mod-main img{height:100%;min-height:420px;object-fit:cover}
.mod-main .card-body{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,transparent,rgba(28,38,36,.88));color:#F7F3EB}
.mod-main .card-body h3,.mod-main .card-body p,.mod-main .card-link{color:#F7F3EB}
.mod-main .card-body p{min-height:0}
.dark-band{
  background:var(--c-dark) url("/assets/images/d4ca8c8b076b52f0.webp") center/cover no-repeat;color:#F7F3EB;padding:96px 0;position:relative
}
.dark-band::before{content:"";position:absolute;inset:0;background:rgba(28,38,36,.86)}
.dark-band .container{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.dark-band h2{color:#F7F3EB}
.dark-band .lead{color:rgba(247,243,235,.78)}
.case-slice{border:1px solid var(--c-line-dark);border-top:2px solid var(--c-accent);padding:22px;margin-bottom:16px;background:rgba(36,48,45,.72)}
.case-slice h3{color:#F7F3EB;font-size:18px}
.case-slice p{color:rgba(247,243,235,.8);font-size:15px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 28px}
.tag-cloud a{
  padding:8px 14px;border:1px solid var(--c-line);border-radius:6px;background:var(--c-card);color:var(--c-text);font-size:14px
}
.tag-cloud a:hover{border-color:var(--c-primary);color:var(--c-primary);background:#F3F7F4}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene-item{display:grid;grid-template-columns:148px 1fr;gap:16px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden}
.scene-item img{width:148px;height:100%;min-height:140px;object-fit:cover}
.scene-item div{padding:16px 16px 16px 0}
.scene-item p{color:var(--c-muted);font-size:14px}
.story-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.story-main{display:grid;grid-template-columns:1fr 1fr;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden}
.story-main img{width:100%;height:100%;min-height:320px;object-fit:cover}
.story-main blockquote{margin:0;padding:32px;font-family:var(--font-serif);font-size:20px;line-height:1.7}
.story-main cite{display:block;margin-top:18px;font-style:normal;font-family:var(--font-sans);font-size:14px;color:var(--c-muted)}
.story-side .card-body p{min-height:0}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-primary);color:#F7F3EB;border-radius:0
}
.stat{padding:42px 24px;border-right:1px solid rgba(247,243,235,.12)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:34px;font-weight:700;font-variant-numeric:tabular-nums;color:#F4D7B0;line-height:1.2;margin-bottom:8px}
.stat span{display:block;font-size:14px;opacity:.88;line-height:1.6}
.table-wrap{overflow:auto;border:1px solid var(--c-line);border-radius:var(--radius);background:var(--c-card)}
table.cmp{width:100%;border-collapse:collapse;min-width:680px}
.cmp th,.cmp td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--c-line);vertical-align:top}
.cmp thead th{background:var(--c-primary);color:#F7F3EB;font-weight:700}
.cmp tbody th{width:22%;font-weight:700;background:#F3F7F4}
.cmp td:last-child{background:#F7FBF8}
.cmp tr:hover td:last-child{background:#E7F1EE}
.reviews{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.review{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:22px;min-height:220px}
.stars{color:var(--c-accent);letter-spacing:2px;margin-bottom:10px;font-size:14px}
.review p{font-size:15px;color:var(--c-text);min-height:6.2em}
.review .who{font-size:13px;color:var(--c-muted);margin-top:12px}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.news-card time{display:block;font-size:12px;color:var(--c-accent);letter-spacing:.08em;margin-bottom:8px}
.news-card h3{font-size:18px}
.news-card p{min-height:4.8em}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius)}
.faq-item button{
  width:100%;text-align:left;padding:16px 18px 16px 52px;position:relative;font-size:16px;font-weight:700;color:var(--c-text)
}
.faq-item button::before{
  content:"问";position:absolute;left:16px;top:16px;width:24px;height:24px;background:var(--c-primary);color:#F7F3EB;
  font-size:12px;display:flex;align-items:center;justify-content:center;border-radius:4px
}
.faq-item button::after{content:"+";position:absolute;right:18px;top:14px;color:var(--c-accent);font-size:22px}
.faq-item.is-open button::after{content:"–"}
.faq-ans{display:none;padding:0 18px 18px 52px;color:var(--c-muted);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-ans{display:block}
.faq-ans ul{padding-left:1.2em;margin:8px 0 0}
.assure-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.assure{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:22px 16px;text-align:center
}
.assure .ico{width:42px;height:42px;margin:0 auto 10px;border-radius:8px;background:#E7EEE9;display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-weight:700}
.assure p{font-size:14px;color:var(--c-muted);margin-top:6px}
.cta-band{
  background:var(--c-dark) url("/assets/images/15bdfe9dcf1bd212.webp") center/cover no-repeat;padding:88px 0 96px;position:relative;color:#F7F3EB
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,38,36,.92),rgba(26,92,87,.78) 70%,rgba(28,38,36,.7))}
.cta-band .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cta-band h2{color:#F7F3EB}
.form-card{background:var(--c-card);color:var(--c-text);border-radius:var(--radius);padding:26px;border:1px solid var(--c-line)}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;min-height:46px;border:1px solid var(--c-line);border-radius:7px;padding:10px 12px;background:#fff;color:var(--c-text);font-size:15px
}
.form-row textarea{min-height:90px;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,92,87,.15)}
.form-note{font-size:12px;color:var(--c-muted);margin-top:8px}
.form-ok{background:#E7EEE9;border:1px solid var(--c-primary);color:var(--c-primary-dark);padding:12px 14px;border-radius:8px;margin-bottom:12px}
.form-err{background:#F8E8DC;border:1px solid var(--c-accent);color:#8A4E16;padding:12px 14px;border-radius:8px;margin-bottom:12px}
.site-footer{
  background:#161E1C;color:#C9D0CC;padding:56px 0 28px;position:relative
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:8px;
  background:repeating-linear-gradient(90deg,#1A5C57 0 12px,#C9782B 12px 14px,#1C2624 14px 28px)
}
.footer-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr 1fr;gap:28px;margin-bottom:28px}
.site-footer h3{color:#F7F3EB;font-size:16px}
.site-footer a{color:#C9D0CC}
.site-footer a:hover{color:#F4D7B0}
.footer-logo{font-family:var(--font-serif);color:#F7F3EB;font-size:18px;font-weight:700;margin-bottom:10px}
.foot-list{list-style:none}
.foot-list li{margin:6px 0}
.copy{border-top:1px solid #2A3532;padding-top:16px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:800;display:none;
  background:rgba(28,38,36,.96);color:#F7F3EB;border-top:2px solid var(--c-accent);
  padding:10px 0;box-shadow:0 -8px 24px rgba(0,0,0,.18)
}
.dock.is-show{display:block}
.dock .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.dock-phone{font-weight:700;color:#F7F3EB}
.dock-msg{flex:1;font-size:14px}
.dock-actions{display:flex;gap:8px}
.dock .btn{min-height:44px}
body.has-dock{padding-bottom:68px}
.client-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.client-wall span{border:1px dashed #3A4A46;color:#D5DDD8;padding:6px 12px;border-radius:6px;font-size:13px}
@media (max-width:1200px){
  .container{width:min(100% - 32px,var(--container))}
  .sell-item{grid-template-columns:88px 1fr 180px}
  .flow-track{grid-template-columns:repeat(3,1fr)}
  .flow-track::before{display:none}
  .reviews,.news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  :root{--space-section:80px}
  .split,.dark-band .container,.cta-band .container,.story-grid,.mod-grid{grid-template-columns:1fr}
  .story-main{grid-template-columns:1fr}
  .story-main img{min-height:220px;height:240px}
  .mod-main img{min-height:260px;height:260px}
  .nav-list{display:none}
  .menu-toggle{display:flex}
  .stats{grid-template-columns:repeat(2,1fr)}
  .assure-row{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-content{padding-bottom:170px}
}
@media (max-width:768px){
  :root{--space-section:64px;--nav-h:64px}
  .topbar-left span:nth-child(2),.topbar-left span:nth-child(3){display:none}
  .logo-text{font-size:14px}
  .sell-item{grid-template-columns:1fr;gap:10px}
  .sell-item img{height:160px}
  .grid-3,.grid-2,.scene-grid,.reviews,.news-grid{grid-template-columns:1fr}
  .flow-track{grid-template-columns:1fr}
  .scene-item{grid-template-columns:1fr}
  .scene-item img{width:100%;height:180px}
  .hero{min-height:560px}
  .hero-nav-btn{top:auto;bottom:92px}
  .hero-prev{left:12px}
  .hero-next{right:12px}
  .hero-dots{top:auto;bottom:92px;right:50%;transform:translateX(50%)}
  .hero-series a{min-width:128px}
  .stats,.assure-row{grid-template-columns:1fr 1fr}
  .dock .dock-phone,.dock .dock-msg{display:none}
  .dock-actions{width:100%}
  .dock-actions .btn{flex:1}
  .copy{flex-direction:column}
  .cmp thead{display:none}
  .cmp,.cmp tbody,.cmp tr,.cmp th,.cmp td{display:block;width:100%;min-width:0}
  .cmp tr{padding:8px 0 12px;border-bottom:8px solid var(--c-bg)}
  .cmp tbody th{background:var(--c-primary);color:#fff}
  .cmp td{display:flex;justify-content:space-between;gap:12px}
  .cmp td::before{content:attr(data-label);font-weight:700;color:var(--c-text);flex:0 0 42%}
  .cta-band .container{gap:28px}
}
@media (max-width:520px){
  .hero-actions,.dock-actions{flex-direction:column}
  .hero-actions .btn,.dock-actions .btn{width:100%}
  .stats,.assure-row,.footer-grid{grid-template-columns:1fr}
  .btn{width:auto}
  .split img,.media-frame img{height:240px}
}
@media (max-width:375px){
  .container{width:min(100% - 24px,var(--container))}
  .logo-text{max-width:170px;line-height:1.3}
  h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}