/* ==========================================================================
   AoYu — shared stylesheet v3 (Apple-inspired, per visual-design-spec.md v1.1)
   设计令牌: 黑白灰 + #0071E3 品牌蓝; 系统字体; 8pt 间距; 圆角 18px
   铁律: 颜色只走 CSS 变量; 禁止 transition:all; 零 emoji; 尊重 reduced-motion
   ========================================================================== */

:root{
  /* ---- 色彩 ---- */
  --text:#1D1D1F; --text-2:#6E6E73; --text-3:#86868B;
  --bg:#FFFFFF; --bg-alt:#F5F5F7;
  --dark:#000000; --dark-surface:#1D1D1F;
  --dark-text:#F5F5F7; --dark-text-2:#A1A1A6;
  --accent:#0071E3; --accent-hover:#0077ED; --accent-soft:rgba(0,113,227,.08);
  --on-accent:#FFFFFF;              /* 蓝底白字 */
  --wa:#25D366; --wa-hover:#2EE173; --wa-text:#062B16;
  --ok-text:#1D6B3C; --ok-text-dark:#5FE08A; --ok-soft:rgba(37,211,102,.1); --ok-line:rgba(37,211,102,.3);
  --line:#D2D2D7;
  /* ---- 字体 ---- */
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  /* ---- 8pt 间距 ---- */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:20px; --s6:24px;
  --s7:32px; --s8:40px; --s9:48px; --s10:64px; --s11:80px; --s12:110px;
  /* ---- 圆角 ---- */
  --radius-sm:12px; --radius:18px; --radius-pill:980px;
  /* ---- 阴影 ---- */
  --shadow-card:0 4px 24px rgba(0,0,0,.06);
  --shadow-media:0 12px 40px rgba(0,0,0,.10);
  --shadow-lift:0 14px 40px rgba(0,0,0,.12);
  /* ---- 动效 ---- */
  --dur-fast:220ms; --dur:350ms; --dur-slow:600ms;
  --nav-h:52px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:17px;line-height:1.47}
img{display:block;max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--accent);color:var(--on-accent)}

/* 键盘焦点 (可访问性) */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* 跳过导航 (可访问性) */
.skip-link{position:absolute;left:-9999px;top:0;z-index:10000;background:var(--bg);color:var(--accent);padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;font-size:14px;font-weight:500}
.skip-link:focus{left:0;text-decoration:none}

/* 图片骨架屏: 默认可见; html.js 时未加载图片隐藏, 加载后淡入 */
html.js img{opacity:0;transition:opacity var(--dur) ease}
html.js img.is-loaded{opacity:1}
.media{position:relative;overflow:hidden;background:var(--bg-alt)}
.media::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.6) 50%,transparent 70%);transform:translateX(-100%);animation:shimmer 1.6s infinite;pointer-events:none}
.media.is-done::after{display:none}
@keyframes shimmer{to{transform:translateX(100%)}}
.bg-media{position:absolute;inset:0;z-index:0;background:var(--dark)}
.bg-media img{width:100%;height:100%;object-fit:cover}

/* ============ 页面 Loading 遮罩 (第一层保护) ============ */
#pageLoader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;align-items:center;justify-content:center;opacity:1;visibility:visible;transition:opacity .4s ease,visibility 0s .4s}
#pageLoader .loader-logo{font-size:20px;font-weight:600;letter-spacing:.35em;text-indent:.35em;color:var(--text);opacity:0;animation:loaderIn .35s ease forwards}
@keyframes loaderIn{from{opacity:0}to{opacity:1}}
#pageLoader.is-done{opacity:0;visibility:hidden}
body.loader-active{overflow:hidden}

/* ============ 页面过场 (第三层保护) ============ */
body.page-enter{opacity:0}
body.page-visible{opacity:1;transition:opacity var(--dur) ease}
body.page-exit{opacity:0;transition:opacity var(--dur-fast) ease;pointer-events:none}

/* ============ NAV ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  background:rgba(251,251,253,.8);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.06)}
.nav-inner{max-width:1024px;margin:0 auto;height:100%;display:flex;align-items:center;gap:28px;padding:0 22px}
.nav-logo{font-weight:600;font-size:17px;color:var(--text);letter-spacing:.01em;white-space:nowrap}
.nav-logo:hover{text-decoration:none}
.nav-links{display:flex;gap:26px;list-style:none;flex:1}
.nav-links a{font-size:12px;color:var(--text);opacity:.85}
.nav-links a:hover{opacity:1;text-decoration:none}
.nav-right{display:flex;align-items:center;gap:12px}
.lang-select{font-size:12px;font-family:var(--font);color:var(--text);background:transparent;border:1px solid var(--line);border-radius:var(--radius-pill);padding:8px 12px;cursor:pointer}
.nav-wa{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--wa-text);background:var(--wa);border-radius:var(--radius-pill);padding:9px 16px;transition:background var(--dur-fast) ease}
.nav-wa:hover{text-decoration:none;background:var(--wa-hover)}
.nav-wa svg{width:14px;height:14px;fill:var(--wa-text)}
@media(max-width:900px){.nav-links{display:none}.nav-inner{gap:14px}}

/* ============ CHAPTERS / HERO ============ */
.chapter{position:relative;overflow:hidden}
.chapter-full{min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center}
.chapter-pad{padding:var(--s12) 22px}
.scrim-dark .bg-media::after{background:linear-gradient(180deg,rgba(0,0,0,.42),rgba(0,0,0,.18) 40%,rgba(0,0,0,.55))}
.scrim-left .bg-media::after{background:linear-gradient(100deg,rgba(0,0,0,.66) 0%,rgba(0,0,0,.38) 42%,rgba(0,0,0,.05) 72%),linear-gradient(180deg,rgba(0,0,0,.38),rgba(0,0,0,.14) 45%,rgba(0,0,0,.58))}
.scrim-light .bg-media::after{background:linear-gradient(180deg,rgba(255,255,255,.25),rgba(255,255,255,0) 45%,rgba(255,255,255,.35))}
.chapter-inner{position:relative;z-index:1;max-width:1024px;margin:0 auto}
.container-wide{max-width:1180px}
.center{text-align:center}

/* 左对齐 Hero (首页) */
.hero-left{text-align:left}
.hero-left .sub{margin-left:0;margin-right:0}
.hero-left .chapter-links{justify-content:flex-start}
.hero-stats{margin-top:22px;font-size:15px;font-weight:500;color:var(--dark-text-2);letter-spacing:.01em}
.hero-stats .sep{margin:0 10px;color:rgba(255,255,255,.35)}

/* ============ TYPE ============ */
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;color:var(--text-2)}
.scrim-dark .eyebrow,.dark .eyebrow{color:var(--dark-text-2)}
h1{font-size:clamp(40px,6.4vw,72px);font-weight:700;line-height:1.07;letter-spacing:-.015em}
h2{font-size:clamp(32px,4.6vw,56px);font-weight:700;line-height:1.1;letter-spacing:-.015em}
h3{font-size:24px;font-weight:600;line-height:1.3;letter-spacing:-.01em}
.sub{font-size:clamp(17px,2vw,21px);line-height:1.5;margin-top:16px;color:var(--text-2);max-width:640px;margin-left:auto;margin-right:auto}
.dark,.scrim-dark{color:var(--dark-text)}
.dark .sub,.scrim-dark .sub{color:var(--dark-text-2)}
.small{font-size:14px;color:var(--text-2);line-height:1.45}
.scrim-light h1,.scrim-light .sub{color:var(--text)}
.scrim-light .eyebrow{color:var(--text-2)}
.section-head{margin-bottom:var(--s10)}
.section-head .sub{margin-top:14px}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius-pill);padding:12px 26px;font-size:17px;font-weight:500;background:var(--accent);color:var(--on-accent);border:1px solid transparent;cursor:pointer;transition:background var(--dur-fast) ease}
.btn:hover{background:var(--accent-hover);text-decoration:none}
.btn svg{width:16px;height:16px;fill:currentColor}
.btn-ghost{background:transparent;color:var(--accent);border-color:var(--accent);transition:background var(--dur-fast) ease,border-color var(--dur-fast) ease}
.btn-ghost:hover{background:var(--accent-soft);text-decoration:none}
.dark .btn-ghost,.scrim-dark .btn-ghost{color:var(--dark-text);border-color:rgba(255,255,255,.55)}
.dark .btn-ghost:hover,.scrim-dark .btn-ghost:hover{background:rgba(255,255,255,.12)}
.chapter-links{margin-top:26px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.chapter-links a{font-size:17px;font-weight:400}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--accent)}
.arrow-link svg{width:14px;height:14px;stroke:currentColor;stroke-width:1.5;fill:none;transition:transform var(--dur-fast) ease}
.arrow-link:hover svg{transform:translateX(3px)}
.scrim-dark .arrow-link,.dark .arrow-link{color:var(--dark-text)}
.hero-scroll{margin-top:34px;font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:color var(--dur-fast) ease}
.hero-scroll:hover{color:var(--dark-text)}
.hero-scroll svg{width:20px;height:20px;stroke:currentColor}

/* ============ PILLS / BADGES ============ */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{font-size:13px;padding:7px 16px;border-radius:var(--radius-pill);background:rgba(0,0,0,.05);color:var(--text);border:1px solid rgba(0,0,0,.06)}
.dark .pill,.scrim-dark .pill{background:rgba(255,255,255,.1);color:var(--dark-text);border-color:rgba(255,255,255,.14)}
.pill.badge-ok{color:var(--ok-text);background:var(--ok-soft);border-color:var(--ok-line)}
.pill.badge-limited{color:var(--text-2)}
.dark .pill.badge-ok{color:var(--ok-text-dark);background:rgba(37,211,102,.12);border-color:var(--ok-line)}

/* ============ SPEC TABLE ============ */
.spec-table{width:100%;border-collapse:collapse;margin-top:28px;font-size:14px}
.spec-table th,.spec-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{font-weight:600;color:var(--text-2);font-size:12px;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:none}

/* ============ COLOR CHIPS ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:44px;position:relative;z-index:1}
.chip{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:76px}
.chip i{width:44px;height:44px;border-radius:50%;display:block;border:1px solid rgba(0,0,0,.12);box-shadow:0 2px 8px rgba(0,0,0,.12)}
.dark .chip i,.scrim-dark .chip i{border-color:rgba(255,255,255,.25)}
.chip span{font-size:11px;color:var(--text-2);text-align:center;line-height:1.3}
.dark .chip span,.scrim-dark .chip span{color:var(--dark-text-2)}
.chip b{font-weight:600;color:inherit}

/* ============ SPLIT (image + text) ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;max-width:1180px;margin:0 auto}
.split.rev>.split-media{order:2}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-media)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-text h2{margin-bottom:0}
.split-text .sub{margin-left:0;margin-right:0}
.split-text .chapter-links{justify-content:flex-start}
.split-text .spec-table{max-width:520px}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:32px}.split.rev>.split-media{order:0}}

/* ============ CATEGORY CARDS (首页品类入口) ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1180px;margin:0 auto}
.cat-card{display:flex;flex-direction:column;background:var(--bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--dur) ease,box-shadow var(--dur) ease}
.cat-card:hover{text-decoration:none;transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.cat-card .cat-media{aspect-ratio:4/3;overflow:hidden}
.cat-card .cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.cat-card:hover .cat-media img{transform:scale(1.03)}
.cat-card .cat-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-card .cat-body .eyebrow{margin-bottom:2px;color:var(--text-3)}
.cat-card .cat-body h3{font-size:21px;line-height:1.25}
.cat-card .cat-body p{font-size:14px;color:var(--text-2);flex:1}
.cat-card .arrow-link{margin-top:6px}
@media(max-width:860px){.cat-grid{grid-template-columns:1fr;max-width:520px}}

/* ============ PRODUCT CARDS ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1180px;margin:0 auto}
.card{display:flex;flex-direction:column;background:var(--bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--dur) ease,box-shadow var(--dur) ease}
.card:hover{text-decoration:none;transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.card .card-media{aspect-ratio:1/1;overflow:hidden}
.card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card .card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .card-body h3{font-size:19px;line-height:1.3}
.card .card-body p{font-size:13px;color:var(--text-2);flex:1}
.card .arrow-link{margin-top:8px}
@media(max-width:1024px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.card-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}}

/* ============ FEATURE CARDS (批发优势) ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:1180px;margin:0 auto}
.feature-card{background:var(--bg);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px}
.feature-card .f-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--bg-alt)}
.feature-card .f-icon svg{width:22px;height:22px;stroke:var(--text-2);stroke-width:1.5;fill:none}
.feature-card h3{font-size:18px;line-height:1.3}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.5}
@media(max-width:1024px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.feature-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}}

/* ============ STATS BAND (深色统计带) ============ */
.stats-band{background:var(--dark);color:var(--dark-text);padding:var(--s11) 24px}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;max-width:1080px;margin:0 auto;text-align:center}
.stat b{display:block;font-size:56px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--dark-text-2)}
@media(max-width:860px){.stats-row{grid-template-columns:repeat(2,1fr);gap:28px}.stat b{font-size:40px}}

/* ============ MEDIA (16:9 大图块) ============ */
.media-wide{aspect-ratio:16/9;border-radius:var(--radius);box-shadow:var(--shadow-media);margin-top:var(--s9)}
.media-wide img{width:100%;height:100%;object-fit:cover}

/* ============ INQUIRY BAND / CTA ============ */
.cta-band{background:var(--dark);color:var(--dark-text);text-align:center;padding:var(--s12) 22px}
.cta-band .sub{color:var(--dark-text-2)}
.cta-actions{margin-top:34px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-wa{display:inline-flex;align-items:center;gap:9px;border-radius:var(--radius-pill);padding:13px 28px;font-size:17px;font-weight:500;background:var(--wa);color:var(--wa-text);transition:background var(--dur-fast) ease}
.btn-wa:hover{background:var(--wa-hover);text-decoration:none}
.btn-wa svg{width:18px;height:18px;fill:var(--wa-text)}
.btn-mail{display:inline-flex;align-items:center;gap:9px;border-radius:var(--radius-pill);padding:13px 28px;font-size:17px;font-weight:500;background:transparent;color:var(--dark-text);border:1px solid rgba(255,255,255,.45);transition:background var(--dur-fast) ease,border-color var(--dur-fast) ease}
.btn-mail:hover{background:rgba(255,255,255,.12);text-decoration:none}
.btn-mail svg{width:18px;height:18px;fill:currentColor}

/* floating WhatsApp (仅桌面) */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:inline-flex;align-items:center;gap:8px;background:var(--wa);color:var(--wa-text);font-size:14px;font-weight:600;border-radius:var(--radius-pill);padding:12px 20px;box-shadow:0 8px 28px rgba(37,211,102,.45);transition:background var(--dur-fast) ease}
.wa-float:hover{text-decoration:none;background:var(--wa-hover)}
.wa-float svg{width:18px;height:18px;fill:var(--wa-text)}
@media(max-width:640px){.wa-float{display:none}}

/* ============ FOOTER ============ */
.footer{background:var(--bg-alt);padding:44px 22px 34px;font-size:12px;color:var(--text-2)}
.footer-inner{max-width:1024px;margin:0 auto}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.footer h4{font-size:12px;font-weight:600;color:var(--text);margin-bottom:10px}
.footer ul{list-style:none}
.footer li{margin-bottom:7px}
.footer a{color:var(--text-2)}
.footer a:hover{color:var(--text)}
.footer .f-brand{font-size:17px;font-weight:600;color:var(--text);letter-spacing:.01em}
.footer .f-tagline{margin-top:10px;line-height:1.5;max-width:260px}
.footer .f-legal-name{margin-top:14px;color:var(--text-3)}
.footer-legal{padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
@media(max-width:860px){.footer-cols{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-cols{grid-template-columns:1fr 1fr;gap:22px}}

/* ============ PAGE HERO (品类页) ============ */
.page-hero{position:relative;min-height:72vh;display:flex;align-items:flex-end;padding:120px 22px 64px;overflow:hidden}
.page-hero .chapter-inner{width:100%}
.page-hero h1{margin-bottom:6px}
.page-hero .sub{margin-left:0;margin-right:0}

/* ============ BREADCRUMB (详情页) ============ */
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:var(--s6)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 8px;color:var(--line)}

/* ============ COMPARE TABLE (布品类) ============ */
.cmp-table{width:100%;max-width:920px;margin:8px auto 0;border-collapse:collapse;font-size:15px}
.cmp-table th,.cmp-table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp-table th{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-2)}
.cmp-table td:first-child{font-weight:600;white-space:nowrap}
.cmp-note{text-align:center;margin-top:24px;font-size:14px;color:var(--text-2)}
@media(max-width:640px){.cmp-table{font-size:13px}.cmp-table th,.cmp-table td{padding:10px}}

/* ============ KB 兼容 (隐藏期保留样式, 无入口) ============ */
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1024px;margin:48px auto 0}
.kb-card{background:var(--bg);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px}
.kb-card .kb-tag{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.kb-card h3{font-size:19px;font-weight:600;line-height:1.3}
.kb-card p{font-size:14px;color:var(--text-2);flex:1}
.kb-card a{font-size:14px;font-weight:500}
@media(max-width:860px){.kb-grid{grid-template-columns:1fr;max-width:520px}}

/* 旧版列卡兼容 (其他语言页仍用 .cols3/.col-card) */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;max-width:1180px;margin:56px auto 0}
.col-card{background:var(--bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card)}
a.col-card{display:block;color:inherit;transition:transform var(--dur) ease,box-shadow var(--dur) ease}
a.col-card:hover{text-decoration:none;transform:translateY(-6px);box-shadow:var(--shadow-lift)}
a.col-card h3{color:var(--text)}
.col-card .col-media{aspect-ratio:1/1;overflow:hidden}
.col-card .col-media img{width:100%;height:100%;object-fit:cover}
.col-card .col-body{padding:26px 26px 32px}
.col-card h3{font-size:21px;font-weight:600;margin-bottom:8px}
.col-card p{font-size:14px;color:var(--text-2)}
@media(max-width:860px){.cols3{grid-template-columns:1fr;max-width:520px}}

/* ============ RESPONSIVE 章节留白 ============ */
@media(max-width:640px){
  .chapter-pad{padding:var(--s10) 22px}
  .cta-band{padding:var(--s10) 22px}
}

/* ============ REDUCED MOTION ============ */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  #pageLoader{display:none}
  .media::after{animation:none;display:none}
  .cat-card,.card,.col-card,.btn,.btn-ghost,.btn-wa,.btn-mail,.nav-wa,.wa-float,.arrow-link svg{transition:none}
  .cat-card:hover{transform:none}
  .cat-card:hover .cat-media img,.card:hover .card-media img{transform:none}
  .arrow-link:hover svg{transform:none}
}

/* ============ HOMEPAGE BUYER JOURNEY ============ */
.section-head{margin-bottom:48px}
.scene-guide{background:var(--bg-alt)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1180px;margin:0 auto}
.scene-card{position:relative;display:flex;min-height:360px;padding:34px;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--text);overflow:hidden;transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease}
.scene-card::after{content:"";position:absolute;right:-64px;bottom:-80px;width:210px;height:210px;border-radius:50%;background:linear-gradient(145deg,rgba(0,113,227,.16),rgba(0,113,227,0));transition:transform .6s ease}
.scene-card:hover{text-decoration:none;transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:rgba(0,113,227,.25)}
.scene-card:hover::after{transform:translate(-12px,-12px) scale(1.12)}
.scene-card .scene-index{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:auto}
.scene-card h3{font-size:26px;line-height:1.12;letter-spacing:-.02em;max-width:310px;margin:8px 0 14px}
.scene-card>p:not(.eyebrow){font-size:15px;color:var(--text-2);max-width:330px}
.scene-card .arrow-link{margin-top:24px;position:relative;z-index:1}
.surface-library{position:relative;overflow:hidden;background:#090909}
.surface-ribbon{position:absolute;top:-26%;left:-10%;width:120%;height:58%;border-radius:50%;background:linear-gradient(100deg,rgba(255,255,255,.02),rgba(255,255,255,.18),rgba(0,113,227,.12),rgba(255,255,255,.02));filter:blur(2px);transform:rotate(-5deg);pointer-events:none}
.surface-grid{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1180px;margin:0 auto}
.surface-card{display:grid;grid-template-columns:minmax(150px,42%) 1fr;min-height:250px;background:#161616;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);overflow:hidden}
.surface-media{min-height:250px}
.surface-media img{width:100%;height:100%;object-fit:cover}
.surface-copy{align-self:center;padding:30px}
.surface-copy h3{font-size:24px;line-height:1.2;margin-bottom:10px;color:var(--dark-text)}
.surface-copy p{font-size:14px;color:var(--dark-text-2)}
.order-path{background:var(--bg)}
.order-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);max-width:1180px;margin:0 auto;border-top:1px solid var(--line)}
.order-step{position:relative;padding:28px 26px 8px;border-right:1px solid var(--line)}
.order-step:last-child{border-right:0}
.order-step>span{display:block;font-size:12px;color:var(--accent);letter-spacing:.12em;margin-bottom:44px}
.order-step h3{font-size:20px;line-height:1.25;margin-bottom:10px}
.order-step p{font-size:14px;color:var(--text-2)}
.buyer-brief{background:var(--bg-alt)}
.buyer-brief-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:72px;max-width:1180px;margin:0 auto;align-items:start}
.buyer-faq h2{margin:8px 0 18px}
.buyer-faq>.sub{margin:0 0 34px;max-width:580px}
.buyer-faq details{border-top:1px solid var(--line);padding:20px 0}
.buyer-faq details:last-child{border-bottom:1px solid var(--line)}
.buyer-faq summary{cursor:pointer;font-size:17px;font-weight:600;list-style:none;padding-right:30px;position:relative}
.buyer-faq summary::-webkit-details-marker{display:none}
.buyer-faq summary::after{content:"+";position:absolute;right:4px;top:-2px;font-size:22px;font-weight:400;color:var(--text-3)}
.buyer-faq details[open] summary::after{content:"−"}
.buyer-faq details p{padding:14px 30px 0 0;color:var(--text-2);font-size:14px}
.quote-brief-panel{background:var(--bg);border-radius:28px;padding:38px;box-shadow:var(--shadow-card)}
.quote-brief-panel h3{font-size:30px;line-height:1.15;margin:8px 0 12px}
.quote-brief-panel>p:not(.eyebrow){font-size:14px;color:var(--text-2)}
.quote-brief-form{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.quote-brief-form label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:600;color:var(--text-2)}
.quote-brief-form input,.quote-brief-form select,.quote-brief-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--bg-alt);color:var(--text);font:inherit;font-size:15px;font-weight:400;padding:13px 14px;outline:none;transition:border-color var(--dur-fast) ease,box-shadow var(--dur-fast) ease,background var(--dur-fast) ease}
.quote-brief-form textarea{resize:vertical}
.quote-brief-form input:focus,.quote-brief-form select:focus,.quote-brief-form textarea:focus{background:var(--bg);border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,113,227,.12)}
.quote-brief-form [aria-invalid="true"]{border-color:#c9342f;box-shadow:0 0 0 3px rgba(201,52,47,.1)}
.quote-field-wide,.quote-status,.quote-submit{grid-column:1/-1}
.quote-status{min-height:20px;font-size:13px;color:#b42318}
.quote-submit{border:0;justify-content:center;cursor:pointer;font-family:inherit}
@media(max-width:940px){.scene-grid{grid-template-columns:1fr}.scene-card{min-height:280px}.surface-card{grid-template-columns:1fr}.surface-media{aspect-ratio:16/9;min-height:0}.order-steps{grid-template-columns:repeat(2,1fr)}.order-step:nth-child(2){border-right:0}.buyer-brief-grid{grid-template-columns:1fr;gap:48px}}
@media(max-width:700px){.section-head{margin-bottom:34px}.scene-card{min-height:250px;padding:26px}.surface-grid{grid-template-columns:1fr}.surface-copy{padding:24px}.order-steps{grid-template-columns:1fr}.order-step,.order-step:nth-child(2){border-right:0;border-bottom:1px solid var(--line);padding:24px 4px}.order-step:last-child{border-bottom:0}.order-step>span{margin-bottom:16px}.quote-brief-panel{padding:26px 20px;border-radius:22px}.quote-brief-form{grid-template-columns:1fr}.quote-brief-form label,.quote-status,.quote-submit{grid-column:1}}
@media(prefers-reduced-motion:reduce){.scene-card,.scene-card::after,.quote-brief-form input,.quote-brief-form select,.quote-brief-form textarea{transition:none}.scene-card:hover,.scene-card:hover::after{transform:none}}