:root {
  --blue: #075bd8;
  --blue-bright: #1477ff;
  --blue-dark: #063375;
  --navy: #06182f;
  --ink: #101b2c;
  --text: #526074;
  --muted: #8190a4;
  --line: #dde4ee;
  --soft: #f4f7fb;
  --white: #fff;
  --container: 80%;
  --max: 1640px;
  --shadow: 0 28px 70px rgba(19, 46, 88, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button { font: inherit; }
.container { width: min(var(--container), var(--max)); margin: 0 auto; }

.page-progress { position: fixed; left: 0; top: 0; z-index: 1000; height: 3px; width: 0; background: linear-gradient(90deg, #1679ff, #72b8ff); transition: width .08s linear; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(213,223,236,.86);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 28px rgba(15,35,65,.05);
}
.header-inner { height: 84px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: max-content; text-decoration: none; }
.brand-logo { height: 36px; width: auto; max-width: 190px; object-fit: contain; display: block; transition: transform .25s ease; }
.brand:hover .brand-logo { transform: scale(1.02); }
.brand-divider { width: 1px; height: 26px; background: rgba(18, 38, 63, 0.16); margin: 0 1px; }
.brand-mark { position: relative; width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(145deg,#1179ff,#0241a1); overflow: hidden; box-shadow: 0 8px 18px rgba(7,87,217,.24); }
.brand-mark::before,.brand-mark::after,.brand-mark-core::before { content:""; position:absolute; background:#fff; border-radius:2px; }
.brand-mark::before { width:6px;height:27px;left:9px;top:6px;transform:skew(-20deg); }
.brand-mark::after { width:6px;height:23px;left:21px;top:7px;transform:skew(20deg);opacity:.72; }
.brand-mark-core::before { width:7px;height:7px;right:6px;bottom:6px;opacity:.9; }
.brand-copy { display:flex;flex-direction:column;gap:1px; }
.brand-copy strong { font-size:19px;letter-spacing:.08em;font-weight:760;line-height:1.2; }
.brand-copy small { color:#738298;font-size:9px;font-weight:700;letter-spacing:.18em;line-height:1.2; }
.main-nav { display:flex;align-items:center;justify-content:center;gap:clamp(20px,2vw,42px);margin-left:auto; }
.main-nav a { position:relative;padding:31px 0 29px;font-size:14px;color:#263447;white-space:nowrap;transition:color .25s ease; }
.main-nav a::after { content:"";position:absolute;left:50%;bottom:18px;width:0;height:2px;background:var(--blue);transform:translateX(-50%);transition:width .25s ease; }
.main-nav a:hover,.main-nav a.active { color:var(--blue); }
.main-nav a:hover::after,.main-nav a.active::after { width:20px; }
.header-cta { display:inline-flex;align-items:center;gap:8px;padding:12px 18px;background:var(--navy);color:#fff;font-size:13px;font-weight:700;transition:.25s ease; }
.header-cta:hover { background:var(--blue);transform:translateY(-1px); }
.menu-toggle { display:none;border:0;background:transparent;padding:5px;margin-left:auto; }
.menu-toggle span { display:block;width:24px;height:2px;background:#152033;margin:5px 0; }

.hero-wrap { width:100%; }
.hero-slider { position:relative;height:calc(100vh - 84px);min-height:660px;max-height:920px;background:var(--navy);overflow:hidden; }
.hero-slide { position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .95s ease,visibility .95s ease; }
.hero-slide.is-active { opacity:1;visibility:visible;z-index:2; }
.hero-slide > img { position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.035);transition:transform 6s ease; }
.hero-slide.is-active > img { transform:scale(1); }
.hero-overlay { position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,14,31,.90) 0%,rgba(4,24,51,.68) 36%,rgba(4,22,46,.25) 66%,rgba(4,19,40,.08) 100%); }
.hero-overlay-soft { background:linear-gradient(90deg,rgba(4,15,31,.87),rgba(5,27,53,.60) 40%,rgba(5,22,42,.18) 72%); }
.hero-overlay-blue { background:linear-gradient(90deg,rgba(2,31,76,.94),rgba(5,63,132,.62) 42%,rgba(6,60,117,.18) 74%); }
.hero-content-wrap { position:relative;height:100%;display:flex;align-items:center;z-index:10;pointer-events:none; }
.hero-content { position:relative;width:100%;max-width:780px;color:#fff;pointer-events:auto; }
.eyebrow { margin:0 0 24px;font-size:11px;letter-spacing:.24em;font-weight:750;color:#d9e8ff; }
.hero-kicker { display:inline-flex;align-items:center;gap:12px;margin:0 0 22px;flex-wrap:wrap; }
.kicker-badge { display:inline-block;padding:3px 10px;font-size:10px;font-weight:750;letter-spacing:.20em;color:#fce4b3;background:rgba(234,199,136,.14);border:1px solid rgba(234,199,136,.36);border-radius:2px;backdrop-filter:blur(8px); }
.kicker-text { font-size:11px;letter-spacing:.24em;font-weight:700;color:rgba(245,230,204,.92);text-transform:uppercase; }
.hero-content h1 { margin:0;font-size:clamp(44px,4.5vw,78px);line-height:1.14;letter-spacing:-.035em;font-weight:650;color:#fcfdfe;text-shadow:0 2px 24px rgba(0,0,0,.5); }
.hero-content h1 span {
  display:inline-block;
  color:#eac788;
  background:linear-gradient(135deg, #ffffff 0%, #fae6c2 28%, #eac788 65%, #f6dfb2 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 16px rgba(234,199,136,.28));
}
.hero-en-title {
  display:flex;
  align-items:center;
  gap:16px;
  margin:16px 0 0;
  font-size:clamp(12px,1.1vw,14.5px);
  font-weight:500;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:#ddc8a4;
}
.hero-en-title::after {
  content:"";
  flex:1;
  max-width:88px;
  height:1px;
  background:linear-gradient(90deg, rgba(221,200,164,.65), transparent);
}
.hero-text { max-width:640px;margin:24px 0 32px;font-size:15.5px;line-height:1.95;color:rgba(252,253,255,.90);text-shadow:0 1px 12px rgba(0,0,0,.35); }
.hero-text-en { display:block;margin-top:10px;font-size:12.5px;line-height:1.68;letter-spacing:.02em;color:rgba(224,232,243,.70);font-weight:400; }
.hero-actions { display:flex;gap:12px;flex-wrap:wrap; }
.btn { display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:50px;padding:0 23px;font-size:13px;font-weight:720;border:1px solid transparent;transition:.25s ease; }
.btn span { font-size:17px;transform:translateY(-1px); }
.btn-primary { background:var(--blue-bright);color:#fff;box-shadow:0 14px 30px rgba(7,87,217,.28); }
.btn-primary:hover { background:#2a86ff;transform:translateY(-2px); }
.btn-ghost { border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.05);backdrop-filter:blur(8px); }
.btn-ghost:hover { background:rgba(234,199,136,.12);border-color:#eac788;color:#f6dfb2; }
.btn-white { background:#fff;color:var(--navy); }
.btn-white:hover { color:var(--blue);transform:translateY(-2px); }
.hero-index { position:absolute;z-index:5;right:4%;top:42px;color:#fff;display:flex;align-items:baseline;gap:8px; }
.hero-index b { font-size:22px;color:#f3d498; }
.hero-index span { font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.55); }
.hero-bottombar-wrap { position:absolute;z-index:10;left:0;right:0;bottom:0;height:84px; }
.hero-bottombar { height:100%;display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.18); }
.hero-dots { display:flex;gap:9px; }
.hero-dots button { width:32px;height:2px;border:0;padding:0;background:rgba(255,255,255,.36);cursor:pointer;transition:.25s ease; }
.hero-dots button.is-active { width:64px;background:linear-gradient(90deg, #eac788, #fae6c2);box-shadow:0 0 10px rgba(234,199,136,.4); }
.hero-scroll { display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.60);font-size:9px;letter-spacing:.18em; }
.hero-scroll span { width:26px;height:1px;background:currentColor; }

.intro-strip { width:100%;background:#fff;border-bottom:1px solid var(--line); }
.intro-strip-inner { min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:34px; }
.intro-strip p { margin:0;color:#4f5d70;font-size:13px; }
.intro-links { display:flex;gap:30px;flex-wrap:wrap; }
.intro-links a { font-size:12px;font-weight:750;color:#1b2a3d; }
.intro-links a span { color:var(--blue);margin-left:5px; }

.section { width:100%;padding:112px 0; }
.section-about { background:#fff; }
.section-products { background:#f4f7fb; }
.section-head { display:flex;justify-content:space-between;gap:clamp(24px,4.5vw,70px);align-items:flex-end;margin-bottom:56px; }
.section-kicker { margin:0 0 14px;color:var(--blue);font-size:10px;letter-spacing:.25em;font-weight:800; }
.section-kicker.light { color:#94c6ff; }
.section-head h2,.partner-copy h2,.factory-panel h2,.lifestyle-copy h2,.contact-inner h2 { margin:0;font-size:clamp(34px,3.1vw,52px);line-height:1.2;letter-spacing:-.03em;font-weight:650; }
.section-lead { width:43%;max-width:620px;margin:0;color:var(--text);line-height:1.95;font-size:15px; }
.section-lead-wide { width:auto;max-width:860px; }
@media (min-width: 981px) {
  .section-lead-wide { white-space:nowrap; }
}
.about-grid { display:grid;grid-template-columns:1.25fr .75fr;gap:6.5vw;align-items:center; }
.about-media { position:relative;height:520px;overflow:hidden;background:#e7edf4;box-shadow:var(--shadow); }
.about-media img { width:100%;height:100%;object-fit:cover;transition:transform .8s ease; }
.about-media:hover img { transform:scale(1.03); }
.media-tag { position:absolute;left:22px;bottom:22px;background:rgba(5,22,47,.88);color:#fff;backdrop-filter:blur(10px);padding:13px 15px;font-size:9px;font-weight:700;letter-spacing:.16em;display:flex;gap:9px;align-items:center; }
.media-tag span { width:6px;height:6px;border-radius:50%;background:#58a6ff;box-shadow:0 0 0 5px rgba(88,166,255,.16); }
.about-copy { max-width:560px; }
.about-quote { margin:0 0 26px!important;color:var(--ink)!important;font-size:24px!important;line-height:1.62!important;font-weight:650; }
.about-copy p { color:var(--text);line-height:2;font-size:14px;margin:0 0 18px; }
.text-link { display:inline-flex;align-items:center;gap:13px;margin-top:10px;color:var(--blue);font-size:13px;font-weight:750; }
.stats-grid { display:grid;grid-template-columns:repeat(4,1fr);margin-top:72px;border-top:1px solid var(--line);border-bottom:1px solid var(--line); }
.stat { padding:35px 28px 33px 0;border-right:1px solid var(--line); }
.stat:not(:first-child) { padding-left:30px; }
.stat:last-child { border-right:0; }
.stat strong { display:block;color:var(--blue);font-size:clamp(32px,2.8vw,46px);line-height:1;letter-spacing:-.04em; }
.stat span { display:block;margin-top:12px;font-size:12px;color:var(--muted); }

.lifestyle-feature { position:relative;min-height:650px;width:100%;overflow:hidden; }
.lifestyle-image { position:absolute;inset:0;background-image:url('assets/bg-lifestyle-home.webp'),url('/static/assets/bg-lifestyle-home.webp');background-size:cover;background-position:center;transform:scale(1.01); }
.lifestyle-shade { position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,34,.88) 0%,rgba(6,23,42,.54) 42%,rgba(4,20,36,.08) 76%); }
.lifestyle-inner { position:relative;z-index:2;min-height:650px;display:flex;align-items:center; }
.lifestyle-copy { width:48%;max-width:650px;color:#fff; }
.lifestyle-copy p:not(.section-kicker) { max-width:580px;color:rgba(255,255,255,.78);font-size:14px;line-height:2;margin:25px 0 0; }

.section-more { color:var(--blue);font-size:13px;font-weight:750;white-space:nowrap; }
.product-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:24px; }
.product-card { background:#fff;border:1px solid #e3e9f1;transition:transform .35s ease,box-shadow .35s ease;overflow:hidden; }
.product-card:hover { transform:translateY(-8px);box-shadow:0 28px 60px rgba(24,56,98,.13); }
.product-image { position:relative;aspect-ratio:4/3;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center;padding:16px;box-sizing:border-box;border-bottom:1px solid #edf2f7; }
.product-image img { max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;object-position:center;transition:transform .5s cubic-bezier(.2,.7,.2,1); }
.product-card:hover .product-image img { transform:scale(1.05); }
.product-badge { position:absolute;top:17px;left:17px;padding:7px 10px;background:rgba(7,23,47,.86);color:#fff;font-size:8px;letter-spacing:.17em;font-weight:800; }
.product-info { display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px 22px; }
.product-info p, .product-info .product-cat { margin:0 0 6px;color:var(--blue);font-size:12px;letter-spacing:.05em;font-weight:600;line-height:1.4; }
.product-info h3, .product-info .product-name { margin:0;font-size:16px;font-weight:650;line-height:1.35;color:var(--navy);word-break:break-word; }
.product-info small { display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:8px;color:#7c8999;font-size:11px;line-height:1.5; }
.round-arrow { flex:0 0 auto;width:40px;height:40px;border-radius:50%;border:1px solid #d5deea;display:grid;place-items:center;color:var(--blue);transition:.25s ease; }
.product-card:hover .round-arrow { background:var(--blue);color:#fff;border-color:var(--blue); }

.factory-feature { position:relative;width:100%;min-height:720px;overflow:hidden;background:#0a274e; }
.factory-bg { position:absolute;inset:0;background-image:url('assets/bg-factory-smart.webp'),url('/static/assets/bg-factory-smart.webp');background-size:cover;background-position:center; }
.factory-shade { position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,22,51,.94) 0%,rgba(4,38,82,.76) 38%,rgba(4,42,84,.16) 80%); }
.factory-container { position:relative;z-index:2; }
.factory-panel { width:48%;min-height:720px;display:flex;flex-direction:column;justify-content:center;color:#fff; }
.factory-panel p:not(.section-kicker) { max-width:590px;color:rgba(255,255,255,.76);line-height:2;font-size:14px;margin:26px 0 30px; }
.factory-points { display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px; }
.factory-points span { padding:9px 12px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);font-size:11px;color:rgba(255,255,255,.88); }
.factory-panel .btn { align-self:flex-start; }

.manufacturing-gallery { width:100%;padding:112px 0;background:#0a1627;color:#fff; }
.manufacturing-head .section-lead { color:#8fa0b7; }
.manufacturing-head h2 { color:#fff; }
.factory-gallery-grid { display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:1fr 1fr;gap:18px;height:680px; }
.factory-photo { position:relative;margin:0;overflow:hidden;background:#15263c; }
.factory-photo-large { grid-row:1 / span 2; }
.factory-photo img { width:100%;height:100%;object-fit:cover;transition:transform .8s ease,filter .8s ease; }
.factory-photo::after { content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 52%,rgba(3,14,29,.78));pointer-events:none; }
.factory-photo:hover img { transform:scale(1.035);filter:saturate(1.05); }
.factory-photo figcaption { position:absolute;z-index:2;left:24px;bottom:22px;display:flex;flex-direction:column;gap:5px;color:#fff; }
.factory-photo figcaption b { font-size:15px; }
.factory-photo figcaption span { font-size:9px;letter-spacing:.16em;color:rgba(255,255,255,.62);text-transform:uppercase; }

.partner-section { background:#fff; }
.partner-layout { display:grid;grid-template-columns:.9fr 1.1fr;gap:7vw;align-items:start; }
.partner-copy { position:sticky;top:130px; }
.partner-copy p:not(.section-kicker) { color:var(--text);line-height:1.95;font-size:14px;max-width:520px;margin:25px 0 30px; }
.partner-cards { border-top:1px solid var(--line); }
.partner-card { display:grid;grid-template-columns:58px 150px 1fr;gap:26px;align-items:start;padding:33px 0;border-bottom:1px solid var(--line);transition:.25s ease; }
.partner-card:hover { padding-left:18px;background:linear-gradient(90deg,rgba(7,91,216,.055),transparent 72%); }
.partner-card > span { color:var(--blue);font-size:11px;letter-spacing:.12em;font-weight:800; }
.partner-card h3 { margin:0;font-size:20px; }
.partner-card p { margin:0;color:var(--text);font-size:13px;line-height:1.8; }

.contact-banner { position:relative;width:100%;min-height:520px;color:#fff;overflow:hidden;background:#06265a; }
.contact-photo { position:absolute;inset:0;background-image:url('assets/bg-contact-partner.webp'),url('/static/assets/bg-contact-partner.webp');background-size:cover;background-position:center; }
.contact-overlay { position:absolute;inset:0;background:linear-gradient(105deg,rgba(3,24,56,.96) 0%,rgba(5,50,113,.89) 48%,rgba(7,91,216,.62) 100%); }
.contact-inner { position:relative;z-index:2;min-height:520px;display:grid;grid-template-columns:1.05fr .95fr;gap:7vw;align-items:center; }
.contact-meta { border-left:1px solid rgba(255,255,255,.2);padding-left:56px; }
.contact-meta p { margin:0;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.80);font-size:13px;line-height:1.7; }
.contact-meta p span { display:inline-block;width:84px;color:#fff;font-weight:700; }
.contact-meta .btn { margin-top:28px; }
.contact-meta small { display:block;margin-top:13px;color:rgba(255,255,255,.5);font-size:10px;line-height:1.7; }

.site-footer { width:100%;background:#07111f;color:#fff; }
.footer-inner { display:grid;grid-template-columns:1.1fr 1.4fr;gap:70px;padding:68px 0 52px; }
.brand-footer .brand-logo { height: 34px; max-width: 180px; }
.brand-footer .brand-divider { background: rgba(255, 255, 255, 0.2); }
.brand-footer .brand-copy strong { color:#fff; font-size: 18px; }
.brand-footer .brand-copy small { color:#8ba0be; }
.footer-brand p { max-width:430px;color:#718094;font-size:12px;line-height:1.9;margin-top:20px; }
.footer-nav { display:grid;grid-template-columns:repeat(4,1fr);gap:24px; }
.footer-nav div { display:flex;flex-direction:column;gap:11px; }
.footer-nav strong { margin-bottom:5px;color:#fff;font-size:12px; }
.footer-nav a { color:#738196;font-size:11px;transition:.2s ease; }
.footer-nav a:hover { color:#fff; }
.footer-line { border-top:1px solid rgba(255,255,255,.08); }
.footer-bottom { display:flex;justify-content:space-between;gap:20px;padding:20px 0;color:#a5b9d4;font-size:12px;letter-spacing:.04em;line-height:1.6; }
.footer-bottom span { color:#a5b9d4; }
.footer-bottom a { color:#a5b9d4; text-decoration:none; transition:.2s ease; }
.footer-bottom a:hover { color:#fff; text-decoration:underline; }

.reveal { opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease; }
.reveal.is-visible { opacity:1;transform:translateY(0); }

@media (max-width: 1280px) {
  :root { --container:86%; }
  .header-inner { gap:22px; }
  .main-nav { gap:18px; }
  .main-nav a { font-size:13px; }
  .header-cta { display:none; }
  .hero-slider { min-height:620px; }
  .about-grid { gap:5vw; }
}

@media (max-width: 980px) {
  :root { --container:90%; }
  .header-inner { height:72px; }
  .menu-toggle { display:block; }
  .main-nav { position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 5% 24px;box-shadow:0 25px 55px rgba(13,30,55,.16);opacity:0;visibility:hidden;transform:translateY(-10px);transition:.25s ease; }
  .main-nav.open { opacity:1;visibility:visible;transform:translateY(0); }
  .main-nav a { padding:15px 0;border-bottom:1px solid #eef2f7; }
  .main-nav a::after { display:none; }
  .hero-slider { height:calc(100vh - 72px);min-height:610px; }
  .hero-content h1 { font-size:clamp(42px,7vw,62px); }
  .section { padding:86px 0; }
  .section-head { flex-direction:column;align-items:flex-start;gap:20px; }
  .section-lead { width:100%;max-width:760px; }
  .about-grid { grid-template-columns:1fr;gap:42px; }
  .about-media { height:470px; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .stat:nth-child(2) { border-right:0; }
  .stat:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .lifestyle-copy,.factory-panel { width:66%; }
  .product-grid { grid-template-columns:1fr 1fr; }
  .product-card:last-child { grid-column:1 / -1; }
  .product-card:last-child .product-image { aspect-ratio:2/1; }
  .factory-gallery-grid { height:auto;grid-template-columns:1fr 1fr;grid-template-rows:auto; }
  .factory-photo { min-height:340px; }
  .factory-photo-large { grid-row:auto;grid-column:1 / -1;min-height:500px; }
  .partner-layout { grid-template-columns:1fr;gap:48px; }
  .partner-copy { position:static; }
  .contact-inner { grid-template-columns:1fr;gap:40px;padding:78px 0; }
  .contact-meta { padding-left:0;border-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:24px; }
  .footer-inner { grid-template-columns:1fr; }
}

@media (max-width: 640px) {
  :root { --container:90%; }
  .brand-logo { height: 26px; max-width: 130px; }
  .brand-divider { height: 18px; }
  .brand-copy strong { font-size:15px; }
  .brand-copy small { font-size:8px; letter-spacing:.12em; }
  .brand-mark { width:32px;height:32px; }
  .hero-slider { min-height:650px;height:82vh; }
  .hero-overlay,.hero-overlay-soft,.hero-overlay-blue { background:linear-gradient(180deg,rgba(3,15,34,.18) 0%,rgba(4,22,47,.62) 45%,rgba(4,18,39,.95) 100%); }
  .hero-content-wrap { align-items:flex-end;padding-bottom:104px; }
  .hero-content { max-width:none;width:100%; }
  .eyebrow { font-size:9px;line-height:1.7;letter-spacing:.17em;margin-bottom:15px; }
  .hero-kicker { margin-bottom:12px;gap:8px; }
  .kicker-badge { font-size:9px;padding:2px 7px;letter-spacing:.14em; }
  .kicker-text { font-size:9px;letter-spacing:.16em; }
  .hero-content h1 { font-size:36px; }
  .hero-en-title { font-size:11px;letter-spacing:.08em;margin-top:10px; }
  .hero-en-title::after { max-width:40px; }
  .hero-text { font-size:13px;line-height:1.8;margin:16px 0 22px; }
  .hero-text-en { font-size:11px;line-height:1.55;margin-top:6px; }
  .hero-index { top:24px;right:5%; }
  .hero-bottombar-wrap { height:74px; }
  .hero-scroll { display:none; }
  .intro-strip-inner { align-items:flex-start;flex-direction:column;justify-content:center;padding:20px 0; }
  .intro-links { gap:18px; }
  .section { padding:70px 0; }
  .about-media { height:350px; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .stat { padding:26px 14px 25px 0; }
  .stat:not(:first-child) { padding-left:14px; }
  .stat strong { font-size:31px; }
  .lifestyle-feature,.lifestyle-inner { min-height:610px; }
  .lifestyle-shade { background:linear-gradient(180deg,rgba(3,14,29,.18),rgba(4,24,52,.94) 58%); }
  .lifestyle-inner { align-items:flex-end;padding-bottom:60px; }
  .lifestyle-copy { width:100%; }
  .product-grid { grid-template-columns:1fr; }
  .product-card:last-child { grid-column:auto; }
  .product-card:last-child .product-image { aspect-ratio:4/3; }
  .factory-feature,.factory-panel { min-height:680px; }
  .factory-shade { background:linear-gradient(180deg,rgba(3,24,55,.20),rgba(4,26,59,.95) 52%,rgba(3,19,44,.99)); }
  .factory-panel { width:100%;justify-content:flex-end;padding-bottom:58px; }
  .manufacturing-gallery { padding:70px 0; }
  .factory-gallery-grid { grid-template-columns:1fr; }
  .factory-photo-large,.factory-photo { grid-column:auto;min-height:320px; }
  .partner-card { grid-template-columns:42px 1fr;gap:18px; }
  .partner-card p { grid-column:2; }
  .contact-meta p span { display:block;width:auto;margin-bottom:4px; }
  .footer-inner { padding:52px 0 40px; }
  .footer-nav { grid-template-columns:1fr 1fr;row-gap:28px; }
  .footer-bottom { padding:17px 0;flex-direction:column; }
}

@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important; }
}

/* ============================================================
   右下角快捷悬浮按钮（返回前页 / 返回顶端）
   ============================================================ */
.floating-fab-bar {
  position: fixed;
  right: 28px;
  bottom: 36px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  pointer-events: auto;
}

.fab-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  color: #0f172a;
  border: 1px solid rgba(203, 213, 225, 0.8);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12), 0 2px 4px rgba(15, 23, 42, 0.05);
  cursor: pointer;
  outline: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.fab-btn:hover {
  transform: translateY(-3px);
  background: #0f2744;
  color: #ffffff;
  border-color: #0f2744;
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.24);
}

.fab-btn:active {
  transform: translateY(-1px) scale(0.96);
}

.fab-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
}

.fab-btn-back:hover .fab-icon {
  transform: translateX(-3px);
}

.fab-btn-top:hover .fab-icon {
  transform: translateY(-3px);
}

.fab-label {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  letter-spacing: 0.5px;
}

.fab-label::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -4px;
  transform: translateY(-50%);
  border-width: 4px 0 4px 5px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(15, 23, 42, 0.92);
}

@media (hover: hover) and (pointer: fine) {
  .fab-btn:hover .fab-label {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
  }
}

@media (max-width: 640px) {
  .floating-fab-bar {
    right: 16px;
    bottom: 24px;
    gap: 10px;
  }
  .fab-btn {
    width: 42px;
    height: 42px;
  }
  .fab-icon {
    width: 18px;
    height: 18px;
  }
  .fab-label {
    display: none;
  }
}