:root {
  --black: #080808;
  --black-soft: #101010;
  --card: #151515;
  --card-glass: rgba(20, 20, 20, .72);
  --gold: #c8a97e;
  --gold-light: #e0c9a6;
  --gold-deep: #967548;
  --text: #f2f0ed;
  --text-2: #b3aea9;
  --text-3: #77726e;
  --border: rgba(200, 169, 126, .22);
  --gold-gradient: linear-gradient(135deg, #e0c9a6 0%, #c8a97e 52%, #967548 100%);
  --thumb-scroll-duration: 26000ms;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: #050505; }
body {
  max-width: 750px;
  margin: 0 auto;
  overflow-x: hidden;
  color: var(--text);
  background: var(--black);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, a, label { -webkit-tap-highlight-color: transparent; }
sup { font-size: .42em; vertical-align: super; }
.page-width { width: min(100% - 40px, 702px); margin-inline: auto; }
.wechat-desktop-notice { display: none; }

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  padding: max(13px, env(safe-area-inset-top)) 20px 9px;
  background: rgba(8, 8, 8, .84);
  border-bottom: 1px solid rgba(255,255,255,.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: baseline; justify-content: center; gap: 10px; }
.brand b {
  color: var(--gold-light);
  font: 700 18px/1.2 Baskerville, Georgia, serif;
  letter-spacing: .14em;
}
.brand span { color: #d5c2a7; font-size: 13px; font-weight: 600; letter-spacing: .12em; }
nav { display: flex; justify-content: space-between; gap: 8px; margin-top: 9px; }
nav a {
  position: relative;
  display: grid;
  min-height: 34px;
  place-items: center;
  color: #8f8984;
  border-bottom: 1px solid transparent;
  font-size: 11px;
  letter-spacing: .05em;
  transition: color .25s ease, border-color .25s ease;
}
nav a:hover, nav a.is-active { color: var(--gold-light); border-color: var(--gold); }

/* 首屏 */
.hero {
  position: relative;
  min-height: calc(100svh - 85px);
  overflow: hidden;
  isolation: isolate;
  text-align: center;
  background-color: #120d09;
  background-position: center;
  background-size: cover;
}
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(8,8,8,.35) 0%, rgba(8,8,8,.56) 58%, rgba(8,8,8,.98) 100%);
}
.hero-copy { position: absolute; z-index: 3; top: 8%; right: 0; left: 0; padding-inline: 22px; }
.eyebrow, .section-title > span {
  color: var(--gold);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .34em;
}
.hero .eyebrow { font-size:clamp(7px,2.35vw,10px); letter-spacing:.16em; white-space:nowrap; }
.hero h1 {
  margin: 11px 0 7px;
  color: var(--gold-light);
  font: 600 clamp(24px,8.3vw,42px)/1.15 "Songti SC",STSong,serif;
  letter-spacing: .04em;
  white-space: nowrap;
  text-shadow: 0 8px 32px rgba(0,0,0,.42);
}
.hero h1 span { color: #f5f2ed; }
.hero-slogan { margin:15px auto 0; color:#d0cbc6; font-size:clamp(8px,2.55vw,13px); letter-spacing:.03em; white-space:nowrap; }
.hero-bottle {
  position: absolute;
  z-index: 2;
  bottom: 25%;
  left: 50%;
  width: min(750px, 80vw);
  height: auto;
  object-fit: contain;
  transform: translateX(-50%);
  opacity: 1;
  mix-blend-mode: normal;
  filter: drop-shadow(0 28px 30px rgba(0,0,0,.55));
  animation: bottleFloat 4.2s ease-in-out infinite;
}
.scroll-link {
  position: absolute;
  z-index: 4;
  bottom: 22px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-3);
  letter-spacing: .22em;
  animation: exploreFloat 2.4s ease-in-out infinite;
}
.scroll-text { font-size: 10px; }
.scroll-icon { color: var(--gold); font: 30px/.8 Georgia, serif; }
@keyframes bottleFloat { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,-14px); } }
@keyframes exploreFloat { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,7px); } }

/* 通用区块 */
.section { position: relative; padding: 78px 0; background: var(--black); }
.section:nth-of-type(even) { background: var(--black-soft); }
.section-title { max-width:none; margin:0 auto 42px; padding-inline:12px; text-align:center; }
.section-title h2 {
  margin: 9px 0 12px;
  color: #f0eeeb;
  font-size:clamp(16px,5.2vw,24px);
  font-weight: 600;
  letter-spacing:.04em;
  white-space:nowrap;
}
.section-title h2::after { content: ""; display: block; width: 36px; height: 2px; margin: 15px auto 0; background: var(--gold-gradient); }
.section-title p { margin:0; color:var(--text-2); font-size:clamp(7px,2.25vw,10px); line-height:1.7; letter-spacing:0; white-space:nowrap; }
.section-title.compact { margin-bottom: 36px; }

/* 影像 */
.video-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.video-card, .plaque-card, .product-card {
  overflow: hidden;
  margin: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.video-card video { aspect-ratio: 16/9; object-fit: cover; background: #000; }
.card-copy { padding: 23px 20px 25px; }
.card-copy small, .product-card small { color: var(--gold); font-size: 10px; letter-spacing: .2em; }
.card-copy h3, .product-card h3 { margin: 7px 0 5px; font-size: 18px; font-weight: 600; }
.card-copy p, .product-card p { margin: 0; color: var(--text-2); font-size: 13px; }

/* 荣誉 */
.honors { background: #0e0e0e; }
.three-grid { display: grid; grid-template-columns: repeat(3, 82%); gap: 14px; overflow-x: auto; padding-bottom: 14px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.three-grid::-webkit-scrollbar { display: none; }
.plaque-card { padding: 12px; scroll-snap-align: center; text-align: center; }
.plaque-card img { aspect-ratio: 4/3; object-fit: cover; background: #0b0b0b; }
.plaque-card figcaption { padding: 15px 6px 4px; }
.plaque-card b, .plaque-card span { display: block; }
.plaque-card b { color: var(--gold-light); font-size: 14px; font-weight: 600; }
.plaque-card span { margin-top: 3px; color: var(--text-3); font-size: 11px; }
.legal-note { margin-top: 15px; color: var(--text-3); text-align: center; font-size: 10px; }

/* 核心原料 */
.ingredients { background: radial-gradient(circle at 50% 5%, rgba(200,169,126,.07), transparent 28%), #090909; }
.ingredient-gallery { position: relative; width: calc(100% - 24px); padding: 9px; overflow: hidden; border: 1px solid var(--border); background: #111; }
.gallery-toggle { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.ingredient-preview { position: relative; width: min(100%, 650px); aspect-ratio: 1/1; margin: 0 auto; overflow: hidden; background: #17120d; }
.ingredient-slide { display: none; position: absolute; inset: 0; margin: 0; animation: galleryFade .5s ease both; }
.ingredient-slide img { width: 100%; height: 100%; object-fit: cover; }
.ingredient-slide figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 19px 18px; color: #fff; background: rgba(0,0,0,.5); }
.ingredient-slide figcaption b, .ingredient-slide figcaption span { display: block; }
.ingredient-slide figcaption b { color: var(--gold-light); font-size: 17px; letter-spacing: .06em; }
.ingredient-slide figcaption span { margin-top: 4px; color: #d0cbc7; font-size: 12px; line-height: 1.65; }
#ingredient-1:checked ~ .ingredient-preview .slide-1,
#ingredient-2:checked ~ .ingredient-preview .slide-2,
#ingredient-3:checked ~ .ingredient-preview .slide-3,
#ingredient-4:checked ~ .ingredient-preview .slide-4,
#ingredient-5:checked ~ .ingredient-preview .slide-5,
#ingredient-6:checked ~ .ingredient-preview .slide-6,
#ingredient-7:checked ~ .ingredient-preview .slide-7,
#ingredient-8:checked ~ .ingredient-preview .slide-8 { display: block; }
.ingredient-thumb-rail { position: relative; margin-top: 9px; overflow: hidden; background: #0d0d0d; }
.thumb-arrow-mask { position: absolute; z-index: 4; top: 0; bottom: 0; left: 0; display: flex; align-items: center; justify-content: center; width: 38px; color: var(--gold-light); background: linear-gradient(90deg,#24201c 0%,#24201c 75%,rgba(36,32,28,.15) 100%); box-shadow: 10px 0 18px rgba(0,0,0,.35); }
.thumb-arrow-mask span { margin-right: -5px; font: 27px/1 Arial,sans-serif; }
.ingredient-thumb-viewport { width:calc(100% - 38px); min-height:104px; margin-left:38px; overflow-x:scroll; overflow-y:hidden; cursor:grab; scrollbar-width:none; scroll-behavior:auto; touch-action:pan-x; -webkit-overflow-scrolling:touch; }
.ingredient-thumb-viewport::-webkit-scrollbar { display: none; }
.ingredient-thumb-viewport:active { cursor: grabbing; }
.ingredient-thumb-track { display:flex; width:max-content; min-width:100%; padding:6px 0; }
.ingredient-thumbs { display: flex; flex: none; gap: 7px; padding-right: 7px; }
.ingredient-thumbs label { display:block; flex:0 0 80px; width:80px; min-width:80px; overflow:hidden; cursor:pointer; border:2px solid transparent; background:#171717; transition:border-color .22s ease; }
.ingredient-thumbs img { display:block; width:100%; height:76px; object-fit:cover; }
.ingredient-thumbs span { display: block; overflow: hidden; padding: 6px 4px; color: #aaa4a0; text-align: center; text-overflow: ellipsis; white-space: nowrap; font-size: 10px; }
#ingredient-1:checked ~ .ingredient-thumb-rail label[for="ingredient-1"],
#ingredient-2:checked ~ .ingredient-thumb-rail label[for="ingredient-2"],
#ingredient-3:checked ~ .ingredient-thumb-rail label[for="ingredient-3"],
#ingredient-4:checked ~ .ingredient-thumb-rail label[for="ingredient-4"],
#ingredient-5:checked ~ .ingredient-thumb-rail label[for="ingredient-5"],
#ingredient-6:checked ~ .ingredient-thumb-rail label[for="ingredient-6"],
#ingredient-7:checked ~ .ingredient-thumb-rail label[for="ingredient-7"],
#ingredient-8:checked ~ .ingredient-thumb-rail label[for="ingredient-8"] { border-color: var(--gold); }
@keyframes galleryFade { from { opacity:.25; transform:scale(1.012); } to { opacity:1; transform:scale(1); } }

/* 质检百叶窗 */
.reports { background: #111; }
.report-blinds { position: relative; width: calc(100% - 24px); padding: 9px; border: 1px solid var(--border); background: #0c0c0c; }
.blind-toggle { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.blind-panels { display: flex; height: 400px; overflow: hidden; border: 1px solid rgba(255,255,255,.05); background: #1a1a1a; }
.blind-panel { position: relative; flex: 1 1 0; min-width: 0; overflow: hidden; cursor: pointer; border-right: 1px solid rgba(255,255,255,.08); transition: flex .58s cubic-bezier(.2,.75,.25,1), filter .35s; }
.blind-panel:last-child { border-right: 0; }
.blind-panel img { width: 100%; height: 100%; object-fit: cover; }
.blind-panel span { position: absolute; right: 0; bottom: 0; left: 0; padding: 38px 14px 14px; color: #fff; white-space: nowrap; opacity: 0; transform: translateY(10px); background: linear-gradient(transparent,rgba(0,0,0,.9)); transition: opacity .25s .18s,transform .25s .18s; }
.blind-panel b, .blind-panel small { display: block; }
.blind-panel b { color: var(--gold-light); font-size: 14px; }
.blind-panel small { color: #aaa39e; font-size: 10px; }
#report-1:checked ~ .blind-panels .panel-1,
#report-2:checked ~ .blind-panels .panel-2,
#report-3:checked ~ .blind-panels .panel-3,
#report-4:checked ~ .blind-panels .panel-4,
#report-5:checked ~ .blind-panels .panel-5,
#report-6:checked ~ .blind-panels .panel-6 { flex: 7 1 0; }
#report-1:checked ~ .blind-panels .panel-1 span,
#report-2:checked ~ .blind-panels .panel-2 span,
#report-3:checked ~ .blind-panels .panel-3 span,
#report-4:checked ~ .blind-panels .panel-4 span,
#report-5:checked ~ .blind-panels .panel-5 span,
#report-6:checked ~ .blind-panels .panel-6 span { opacity:1; transform:none; }
@media (hover:hover) and (pointer:fine) {
  .blind-panels:hover .blind-panel { flex:1 1 0; filter:brightness(.55); }
  .blind-panels .blind-panel:hover { flex:7 1 0; filter:brightness(1); }
  .blind-panels .blind-panel:hover span { opacity:1; transform:none; }
}
.blind-hint { margin: 10px 0 0; color: var(--text-3); text-align:center; font-size:10px; letter-spacing:.08em; }
.report-blinds.is-user-paused .blind-hint { color:var(--gold); }

.report-lightbox { position:fixed; inset:0; z-index:1000; display:none; flex-direction:column; align-items:center; justify-content:center; gap:14px; padding:24px; color:#d6cec5; background:rgba(0,0,0,.94); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); cursor:zoom-out; }
.report-lightbox.is-open { display:flex; animation:lightboxIn .22s ease both; }
.report-lightbox img { max-width:100%; max-height:82vh; width:auto; height:auto; object-fit:contain; border:1px solid rgba(224,201,166,.36); box-shadow:0 24px 80px rgba(0,0,0,.65); }
.report-lightbox p { margin:0; color:#948b82; font-size:11px; letter-spacing:.12em; }
body.lightbox-open { overflow:hidden; }
@keyframes lightboxIn { from { opacity:0; } to { opacity:1; } }

/* 生产实力 */
.production { position: relative; overflow: hidden; padding: 82px 0; background: radial-gradient(circle at 80% 0,rgba(200,169,126,.09),transparent 35%),#121212; }
.section-title.light h2 { color: var(--text); }
.section-title.light > span { color: var(--gold); }
.factory-layout { display:grid; grid-template-columns:1fr; gap:14px; }
.factory-video, .factory-layout > img { overflow:hidden; border:1px solid var(--border); background:#0b0b0b; }
.factory-video video { aspect-ratio:16/9; object-fit:cover; background:#000; }
.factory-video h3 { margin:17px 18px 2px; color:var(--gold-light); font-size:17px; }
.factory-video p { margin:0 18px 19px; color:var(--text-2); font-size:12px; }
.factory-layout > img { min-height:280px; object-fit:cover; border-radius:18px; }

/* 产品体系 */
.product-system { background:linear-gradient(180deg,#0b0b0b 0%,#111 100%); }
.product-list { display:grid; gap:16px; }
.system-card { overflow:hidden; border:1px solid var(--border); background:#141414; box-shadow:0 16px 46px rgba(0,0,0,.2); }
.product-img { overflow:hidden; background:#0d0d0d; }
.product-img img { aspect-ratio:16/10; object-fit:cover; transition:transform .7s cubic-bezier(.2,.7,.2,1); }
.system-card:active .product-img img { transform:scale(1.025); }
.product-info { position:relative; padding:23px 21px 25px; }
.product-info::before { content:""; position:absolute; top:0; left:21px; width:32px; height:1px; background:var(--gold); }
.product-info h3 { margin:0 0 9px; color:var(--gold-light); font-size:19px; font-weight:600; letter-spacing:.08em; }
.product-info p { margin:0 0 7px; color:#c3bdb7; font-size:12px; line-height:1.75; }
.product-info span { color:var(--text-3); font-size:11px; letter-spacing:.04em; }

/* 产品矩阵 */
.products { background:#090909; }
.product-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:7px; width:calc(100% - 12px); }
.product-card { display:block; min-width:0; padding:5px 5px 9px; text-align:center; cursor:pointer; transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease; }
.product-card:active { transform:translateY(-2px) scale(.985); border-color:rgba(200,169,126,.72); box-shadow:0 8px 22px rgba(0,0,0,.3); }
.product-card img { aspect-ratio:1/1; object-fit:contain; background:#0f0f0f; }
.product-grid .product-card small, .product-grid .product-card p { display:none; }
.product-card h3 { margin:8px 0 0; overflow:hidden; color:#d8d2cc; font-size:clamp(8px,2.45vw,10px); font-weight:500; line-height:1.4; letter-spacing:-.04em; white-space:nowrap; text-overflow:clip; }
.product-card:nth-child(5) h3,
.product-card:nth-child(6) h3 { font-size:clamp(7px,2vw,8px); letter-spacing:-.1em; }

/* 品牌理念与愿景 */
.philosophy { background:radial-gradient(circle at 50% 0,rgba(200,169,126,.1),transparent 35%),#101010; }
.philosophy-wrap { width:min(100% - 64px,560px); }
.philosophy-quote-card { display:grid; min-height:126px; margin-bottom:36px; padding:28px 24px; place-items:center; border-right:2px solid var(--gold); border-left:2px solid var(--gold); background:#0d0d0d; }
.philosophy-quote { margin:0; color:#e3bd6f; font:500 16px/1.9 "Songti SC",STSong,serif; text-align:center; letter-spacing:.04em; }
.philosophy-list { display:grid; gap:20px; }
.philosophy-item { display:grid; grid-template-columns:44px 1fr; gap:13px; align-items:center; min-height:94px; padding:20px 19px; border:1px solid rgba(200,169,126,.25); background:#141414; transition:border-color .28s ease,transform .28s ease,background .28s ease; }
.philosophy-item:active { transform:translateY(-2px); border-color:rgba(224,201,166,.55); background:#171614; }
.philosophy-item > span { color:rgba(200,169,126,.42); font:700 28px/1 Georgia,serif; }
.philosophy-item h4 { margin:0 0 5px; color:#f0eeeb; font-size:16px; font-weight:600; letter-spacing:.06em; }
.philosophy-item p { margin:0; color:#bbb5af; font-size:11px; }
.vision { padding:72px 20px 78px; text-align:center; background:#080808; border-top:1px solid rgba(255,255,255,.04); }
.vision p { margin:0 0 11px; color:var(--gold); font:italic 15px/1.5 "Songti SC",STSong,serif; letter-spacing:.14em; }
.vision h3 { margin:0; color:#eee9e3; font:500 22px/1.5 "Songti SC",STSong,serif; letter-spacing:.12em; }

/* 页脚 */
footer { color:#c8c1ba; background:#101010; border-top:1px solid rgba(255,255,255,.05); padding-bottom:env(safe-area-inset-bottom); }
.footer-inner { display:grid; grid-template-columns:1fr; gap:18px; padding-block:64px 42px; }
.footer-brand p { margin:0; color:var(--gold); font-size:10px; letter-spacing:.22em; }
.footer-brand h2 { margin:8px 0; color:var(--gold-light); font-size:27px; letter-spacing:.08em; }
.footer-copy p { margin-top:0; color:var(--text-2); font-size:13px; }
.footer-copy .disclaimer { color:var(--text-3); font-size:11px; }
.footer-registration { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:8px 16px; padding:20px 18px 14px; border-top:1px solid rgba(255,255,255,.05); }
.registration-item { display:inline-flex; align-items:center; gap:6px; color:#77716c; font-size:10px; line-height:1.4; transition:color .22s ease; }
.registration-item:active { color:var(--gold-light); }
.registration-icon { flex:0 0 18px; width:18px; height:18px; object-fit:contain; filter:drop-shadow(0 2px 5px rgba(0,0,0,.35)); }
.copyright { padding:0 20px 19px; color:#5f5b57; text-align:center; font-size:11px; }

/* 轻量进入动效 */
.reveal-ready { opacity:0; transform:translateY(26px); transition:opacity .85s ease,transform .85s ease; }
.reveal-ready.is-visible { opacity:1; transform:none; }

/* 仅支持手机浏览 */
@media (min-width:821px) {
  body { max-width:none; overflow:hidden; background:#f5f5f5; }
  .site-header,main,footer,.report-lightbox { display:none !important; }
  .wechat-desktop-notice { position:fixed; inset:0; z-index:9999; display:flex; flex-direction:column; align-items:center; justify-content:center; color:#191919; text-align:center; background:#f5f5f5; }
  .wechat-mark { display:grid; width:88px; height:88px; margin-bottom:24px; place-items:center; color:#fff; border-radius:24px; background:#07c160; box-shadow:0 12px 30px rgba(7,193,96,.22); font-size:22px; font-weight:700; }
  .wechat-desktop-notice h1 { margin:0; font-size:26px; font-weight:500; }
  .wechat-desktop-notice p { margin:12px 0 0; color:#999; font-size:14px; }
}

@media (min-width:600px) and (max-width:820px) {
  .video-grid { grid-template-columns:repeat(2,1fr); }
  .factory-layout { grid-template-columns:1.05fr .95fr; }
  .three-grid { grid-template-columns:repeat(3,1fr); overflow:visible; }
}

@media (max-width:390px) {
  .page-width { width:calc(100% - 28px); }
  .site-header { padding-inline:14px; }
  nav a { font-size:10px; }
  .section { padding-block:70px; }
  .blind-panels { height:370px; }
  .product-grid { width:calc(100% - 8px); gap:4px; }
  .product-card { padding-inline:3px; }
  .product-card h3 { font-size:clamp(7px,2.25vw,9px); }
  .product-card:nth-child(5) h3,
  .product-card:nth-child(6) h3 { font-size:clamp(6px,1.9vw,7.5px); letter-spacing:-.12em; }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .hero-bottle,.scroll-link,.ingredient-slide { animation:none; }
  .blind-panel,.ingredient-thumbs label,.reveal-ready { transition:none; }
  .reveal-ready { opacity:1; transform:none; }
}