/* ===========================================================
   顶流视力 · 深海光养视觉系统（保 GEO 抓取：纯 CSS/SVG，文字留 DOM）
   融合基准：materials/design-vision-fusion.md（Sidewave × La Revoltosa）
   =========================================================== */
:root{
  /* 品牌真实色（从 logo 提取） */
  --brand-blue:#0088D4;
  --brand-teal:#20C5B5;
  --brand-deep:#1E5AA8;
  --brand-silver:#B8C0C8;
  /* 深海底（Hero） */
  --ink-900:#07162E;
  --ink-700:#0E2952;
  --glow-blue:rgba(0,136,212,.45);
  --glow-teal:rgba(32,197,181,.45);
  /* La Revoltosa 撞色 */
  --coral:#FE3E29;
  --cream:#F4F2EA;
  /* 亮色内容区（医疗信任+可读） */
  --paper:#FBFCFE;
  --ink-text:#16213A;
  --muted:#5A6680;
  /* 玻璃卡 */
  --glass-bg:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.6);
  --glass-blur:16px;
  --radius:18px;
  --shadow:0 18px 50px rgba(7,22,46,.16);
  --mx:50%; --my:30%;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink-text);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ===================== 导航（深色半透明，浮于 Hero） ===================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;justify-content:space-between;align-items:center;
  padding:12px 5vw;color:#fff;background:rgba(7,22,46,.18);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08)}
.nav .logo{display:flex;align-items:center;gap:18px;font-weight:800;font-size:22px;letter-spacing:.03em}
.nav .logo img{height:96px;width:auto;filter:drop-shadow(0 3px 12px rgba(0,0,0,.4))}
.nav .nav-links{display:flex;gap:26px;font-size:14px;opacity:.92}
.nav .nav-links a{padding:6px 2px;position:relative;transition:color .2s}
.nav .nav-links a:hover{color:var(--brand-teal)}
.nav .nav-links a.active{color:#fff}
.nav .nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--brand-teal),var(--brand-blue));border-radius:2px}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:26px;line-height:1;cursor:pointer;padding:4px 8px;z-index:35}

/* ===================== HERO · 深海光养 ===================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;
  background:
    radial-gradient(58% 68% at var(--mx) var(--my), var(--glow-blue), transparent 62%),
    radial-gradient(48% 58% at 80% 80%, var(--glow-teal), transparent 60%),
    linear-gradient(160deg, var(--ink-900), var(--ink-700));
  color:#fff;padding:120px 6vw 60px}
.hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 80% at 50% 120%, rgba(7,22,46,.92), transparent 60%);pointer-events:none}
.hero-inner{position:relative;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:40px;
  width:100%;max-width:1200px;margin:0 auto}
.hero-copy{max-width:560px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.28em;color:var(--brand-teal);font-weight:700;margin-bottom:18px}
.hero h1{font-size:clamp(34px,6vw,64px);font-weight:800;line-height:1.05;letter-spacing:-.02em;margin-bottom:22px}
.hero h1 .hl{background:linear-gradient(90deg,var(--brand-blue),var(--brand-teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(15px,2vw,18px);opacity:.88;margin-bottom:32px;max-width:480px}
.cta{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(90deg,var(--brand-teal),var(--brand-blue));
  color:#fff;font-weight:700;padding:15px 30px;border-radius:999px;font-size:15px;
  box-shadow:0 10px 30px rgba(32,197,181,.35);transition:transform .25s}
.cta:hover{transform:translateY(-3px)}
.cta.ghost{background:transparent;border:1px solid rgba(255,255,255,.5);box-shadow:none}

/* 子页小 Hero */
.hero.sub{min-height:auto;padding:130px 6vw 56px}
.hero.sub .hero-inner{display:block;max-width:900px}
.hero.sub h1{font-size:clamp(28px,4.5vw,46px)}

/* ===================== 漂流瓶组件（纯 CSS/SVG，无 JS 拖动） ===================== */
.bottle-stage{position:relative;width:360px;height:540px;flex:0 0 auto;user-select:none}
.bottle-float{position:absolute;inset:0;animation:floaty 7s ease-in-out infinite;will-change:transform}
@keyframes floaty{0%,100%{transform:translateY(-10px) rotate(-1deg)}50%{transform:translateY(14px) rotate(1.2deg)}}
.bottle-glow{position:absolute;inset:-10%;background:radial-gradient(60% 60% at 50% 55%,rgba(32,197,181,.22),transparent 70%);
  filter:blur(28px);animation:pulseGlow 5s ease-in-out infinite;pointer-events:none;z-index:0}
@keyframes pulseGlow{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.bottle-floor{position:absolute;left:50%;bottom:-3%;width:55%;height:18px;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(32,197,181,.45),transparent 72%);filter:blur(6px);
  animation:floorPulse 4s ease-in-out infinite;z-index:0}
@keyframes floorPulse{0%,100%{opacity:.6;transform:translateX(-50%) scaleX(1)}50%{opacity:1;transform:translateX(-50%) scaleX(1.15)}}
.bottle-svg{position:absolute;inset:0;z-index:2;filter:drop-shadow(0 24px 48px rgba(0,0,0,.35))}

.product-wrap{position:absolute;left:50%;top:52%;width:300px;height:auto;z-index:4;
  transform:translate(-50%,-50%);animation:productSwing 5.2s ease-in-out infinite;transform-origin:center center;pointer-events:none}
.product-in-bottle{display:block;width:100%;height:auto;
  filter:drop-shadow(0 18px 36px rgba(0,0,0,.55)) drop-shadow(0 0 55px rgba(254,62,41,.55))}
@keyframes productSwing{
  0%,100%{transform:translate(-50%,-50%) rotate(-7deg) translateY(-6px)}
  25%{transform:translate(-50%,-50%) rotate(0deg) translateY(0)}
  50%{transform:translate(-50%,-50%) rotate(8deg) translateY(6px)}
  75%{transform:translate(-50%,-50%) rotate(0deg) translateY(0)}
}
.red-halo{position:absolute;left:50%;top:52%;width:340px;height:340px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(254,62,41,.55) 0%,rgba(254,62,41,.22) 38%,transparent 72%);
  filter:blur(10px);animation:redPulse 3.2s ease-in-out infinite;z-index:3}
@keyframes redPulse{0%,100%{opacity:.7;transform:translate(-50%,-50%) scale(.92)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.12)}}
.red-core{position:absolute;left:50%;top:52%;width:150px;height:150px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(255,110,70,.75),transparent 68%);filter:blur(7px);
  animation:redPulse2 2.4s ease-in-out infinite;z-index:3}
@keyframes redPulse2{0%,100%{opacity:.55;transform:translate(-50%,-50%) scale(.85)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}}
.energy-ring{position:absolute;left:50%;top:52%;width:320px;height:320px;transform:translate(-50%,-50%);border-radius:50%;
  background:conic-gradient(from 0deg, transparent 0 8%, rgba(32,197,181,.75) 10% 14%, transparent 16% 26%, rgba(0,136,212,.65) 28% 32%, transparent 34% 100%);
  -webkit-mask:radial-gradient(circle, transparent 54%, #000 56%, #000 100%);
          mask:radial-gradient(circle, transparent 54%, #000 56%, #000 100%);
  filter:blur(.4px) drop-shadow(0 0 18px rgba(32,197,181,.45));
  animation:ringSpin 6s linear infinite, ringPulse 2.6s ease-in-out infinite;z-index:3;opacity:.95;pointer-events:none}
@keyframes ringSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes ringPulse{0%,100%{opacity:.55}50%{opacity:1}}

/* ===================== 内容区 ===================== */
.section{padding:90px 6vw;max-width:1200px;margin:0 auto}
.section h2{font-size:clamp(26px,4vw,38px);font-weight:800;margin-bottom:12px;letter-spacing:-.01em}
.section .sub{color:var(--muted);margin-bottom:44px;font-size:16px}
.section .lead-text{max-width:780px;color:var(--ink-text);font-size:16px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow)}
.glass .ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(0,136,212,.14),rgba(32,197,181,.18));margin-bottom:18px}
.glass h3{font-size:19px;margin-bottom:10px}
.glass p{color:var(--muted);font-size:14.5px}
.stat-row{display:flex;gap:40px;flex-wrap:wrap;margin-top:54px;padding-top:40px;border-top:1px solid rgba(22,33,58,.08)}
.stat .num{font-size:34px;font-weight:800;color:var(--brand-deep)}
.stat .lbl{color:var(--muted);font-size:14px}
.brand-wall{display:flex;gap:40px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:50px}
.brand-wall img{height:60px;width:auto}
.brand-wall .note{color:var(--muted);font-size:13px;width:100%;text-align:center;margin-top:10px}

/* ===================== 旧类兼容（亮色内容区原站结构） ===================== */
.wrap{max-width:900px;margin:0 auto;padding:0 18px}
.sec{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:6px;letter-spacing:-.01em}
.sec-sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);border-radius:var(--radius);padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.badge{display:inline-block;background:linear-gradient(120deg,rgba(0,136,212,.14),rgba(32,197,181,.18));
  color:var(--brand-deep);font-size:12px;font-weight:700;padding:4px 10px;border-radius:8px;margin-bottom:10px}
ul.clean{list-style:none}
ul.clean li{padding:8px 0 8px 26px;position:relative;font-size:15px}
ul.clean li::before{content:'✓';position:absolute;left:0;color:var(--brand-teal);font-weight:800}
.disclaimer{background:rgba(245,166,35,.12);border-left:3px solid var(--coral);padding:12px 16px;
  border-radius:0 10px 10px 0;font-size:13px;color:#6b4505;margin:18px 0;line-height:1.7}
.tag-row{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.tag{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:5px 14px;font-size:12px;color:#fff}
.cta-band{background:linear-gradient(120deg,var(--brand-deep),var(--brand-blue));color:#fff;text-align:center;
  padding:28px 18px;border-radius:var(--radius);margin:36px 0;box-shadow:var(--shadow)}
.cta-band h3{font-size:20px;margin-bottom:8px}
.cta-band p{font-size:14px;opacity:.92;margin-bottom:14px}
.btn{display:inline-block;background:#fff;color:var(--brand-deep);padding:11px 24px;border-radius:24px;font-weight:700;font-size:14px}
.btn.blue{background:linear-gradient(90deg,var(--brand-teal),var(--brand-blue));color:#fff}

/* ===================== 二维码展示（服务号+护眼/睡眠测试） ===================== */
.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:960px;margin:0 auto}
.qr-item{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);border-radius:var(--radius);padding:22px 18px;text-align:center;box-shadow:var(--shadow);
  display:flex;flex-direction:column;align-items:center;transition:transform .2s}
.qr-item:hover{transform:translateY(-4px)}
.qr-item img{max-width:100%;width:auto;max-height:260px;border-radius:12px;display:block;margin:0 auto 14px;
  box-shadow:0 8px 24px rgba(7,22,46,.12)}
.qr-item .qr-title{font-size:16px;font-weight:800;color:var(--ink-text);margin-bottom:6px}
.qr-item .qr-desc{font-size:13px;color:var(--muted);line-height:1.7}
.qr-item .qr-note{display:inline-block;background:rgba(32,197,181,.12);color:var(--brand-deep);font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:20px;margin-top:10px}

/* 首页 CTA 区域扩展为二维码入口 */
.cta-band.qr-band{padding:36px 24px}
.cta-band .qr-row{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:18px}
.cta-band .qr-thumb{max-width:150px;text-align:center}
.cta-band .qr-thumb img{width:100%;height:auto;border-radius:12px;display:block;margin-bottom:8px;
  background:#fff;padding:6px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.cta-band .qr-thumb span{font-size:13px;font-weight:700;color:#fff;opacity:.95}

/* FAQ */
.faq-item{border-bottom:1px solid rgba(22,33,58,.1);padding:18px 0}
.faq-item:last-child{border-bottom:none}
.faq-item .q{font-weight:700;color:var(--brand-deep);font-size:16px;margin-bottom:8px}
.faq-item .a{font-size:15px;color:#3a3a37}

/* 案例 */
.case{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;margin-bottom:18px;box-shadow:var(--shadow)}
.case h3{font-size:18px;font-weight:700;margin-bottom:6px}
.case .meta{font-size:13px;color:var(--brand-teal);font-weight:700;margin-bottom:10px}

/* ===================== 滚动淡入 ===================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

footer{padding:46px 6vw;color:var(--muted);font-size:13px;text-align:center;border-top:1px solid rgba(22,33,58,.08);line-height:1.9}

/* ===================== 全幅视觉区（内页震撼头图） ===================== */
.visual-hero{position:relative;min-height:62vh;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(160deg, rgba(7,22,46,.95), rgba(14,41,82,.9));color:#fff;padding:150px 6vw 80px}
.visual-hero .bg{position:absolute;inset:0;z-index:0;object-fit:cover;width:100%;height:100%;
  opacity:.45;filter:saturate(1.1) contrast(1.05)}
.visual-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(120% 80% at 20% 0%, rgba(0,136,212,.28), transparent 55%),
  radial-gradient(120% 80% at 80% 100%, rgba(32,197,181,.22), transparent 55%),
  linear-gradient(180deg, rgba(7,22,46,.55), rgba(7,22,46,.82));z-index:1}
.visual-hero .hero-inner{position:relative;z-index:5;max-width:1200px;margin:0 auto;width:100%}
.visual-hero h1{font-size:clamp(32px,6vw,58px);font-weight:800;line-height:1.08;margin-bottom:18px}
.visual-hero h1 .hl{background:linear-gradient(90deg,var(--brand-blue),var(--brand-teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.visual-hero p.lead{font-size:clamp(15px,2.2vw,20px);opacity:.92;max-width:640px;line-height:1.7}

/* 图文分栏 */
.media-row{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;margin:40px 0}
.media-row.reverse{grid-template-columns:.95fr 1.05fr}
.media-row.reverse .media-visual{order:2}
.media-row .media-visual img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.12)}
.media-row .media-body h3{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:14px}
.media-row .media-body p{color:var(--muted);font-size:15px;line-height:1.8}

/* 图片框 */
.img-frame{display:block;width:100%;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(22,33,58,.08);overflow:hidden}
.img-frame img{display:block;width:100%;height:auto;transition:transform .6s ease}
.img-frame:hover img{transform:scale(1.03)}

/* 深色内容区（延续首页视觉） */
.dark-section{position:relative;background:linear-gradient(160deg,var(--ink-900),var(--ink-700));color:#fff;padding:100px 6vw;overflow:hidden}
.dark-section::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 50% at 80% 20%, rgba(0,136,212,.18), transparent 55%),
  radial-gradient(50% 50% at 20% 80%, rgba(32,197,181,.14), transparent 55%);pointer-events:none}
.dark-section .section{position:relative;z-index:2}
.dark-section h2,.dark-section .eyebrow{color:#fff}
.dark-section .sub{color:rgba(255,255,255,.7)}

/* 画廊网格 */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery-grid .item{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--ink-700)}
.gallery-grid .item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gallery-grid .item:hover img{transform:scale(1.05)}
.gallery-grid .item.tall{grid-row:span 2;aspect-ratio:auto}
.gallery-grid .cap{position:absolute;left:0;right:0;bottom:0;padding:18px;background:linear-gradient(transparent,rgba(7,22,46,.88));color:#fff;font-size:13px}
.gallery-grid .cap strong{display:block;font-size:15px;margin-bottom:4px}

/* 对比表 */
.compare-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius);overflow:hidden}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08)}
.compare-table th{background:rgba(0,136,212,.12);color:#fff;font-weight:700}
.compare-table td{color:var(--muted)}
.compare-table tr:last-child td{border-bottom:0}
.compare-table .hl{color:var(--brand-teal);font-weight:700}

/* 证书 / 下载卡片 */
.cert-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cert-card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px 18px;text-align:center;box-shadow:var(--shadow);transition:transform .2s}
.cert-card:hover{transform:translateY(-4px)}
.cert-card .file-ico{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
  background:linear-gradient(140deg,rgba(0,136,212,.14),rgba(32,197,181,.18));font-size:22px}
.cert-card h4{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--ink-text)}
.cert-card p{font-size:12px;color:var(--muted);margin-bottom:14px}
.cert-card a{font-size:13px;font-weight:700;color:var(--brand-deep)}

/* 案例图文卡片增强 */
.case-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));
  border:1px solid var(--glass-border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:22px}
.case-card .case-img{min-height:240px;background:var(--ink-700)}
.case-card .case-img img{width:100%;height:100%;object-fit:cover;display:block}
.case-card .case-body{padding:28px}
.case-card .meta{font-size:13px;color:var(--brand-teal);font-weight:700;margin-bottom:10px}
.case-card h3{font-size:20px;font-weight:800;margin-bottom:12px}
.case-card p{color:var(--muted);font-size:14.5px;line-height:1.8}
.case-note{font-size:12.5px;color:#c0392b;font-weight:600;margin-top:12px;border-top:1px dashed rgba(192,57,43,.3);padding-top:10px}
.case-quote{margin:14px 0 4px;padding:12px 16px;background:rgba(32,197,181,.08);border-left:3px solid var(--teal);border-radius:8px;font-size:14px;line-height:1.7;color:var(--ink);font-style:italic}

/* 小标签 */
.tag-pill{display:inline-block;background:rgba(0,136,212,.12);border:1px solid rgba(0,136,212,.25);color:var(--brand-deep);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:20px;margin-right:6px;margin-bottom:6px}

/* ===================== 科普页 science.html ===================== */
.vh-inner{position:relative;z-index:5;max-width:1200px;margin:0 auto;width:100%;padding:120px 6vw 64px}
.vh-inner .lead{max-width:760px}
.section h2{font-size:clamp(24px,3.6vw,34px);font-weight:800;margin-bottom:22px;color:var(--ink-text)}
.section h2 .hl{background:linear-gradient(90deg,var(--brand-blue),var(--brand-teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.section p{line-height:1.9;color:var(--muted);margin-bottom:14px;font-size:15.5px}
.bullet{list-style:none;padding:0;margin:0 0 8px}
.bullet li{position:relative;padding:10px 0 10px 26px;line-height:1.85;color:var(--muted);border-bottom:1px dashed rgba(0,136,212,.12)}
.bullet li::before{content:"";position:absolute;left:4px;top:18px;width:8px;height:8px;border-radius:50%;background:linear-gradient(120deg,var(--brand-blue),var(--brand-teal))}
.callout{background:linear-gradient(160deg,rgba(0,136,212,.12),rgba(32,197,181,.1));border:1px solid rgba(0,136,212,.28);border-radius:var(--radius);padding:30px 28px;margin:6px 0 18px}
.callout .big{font-size:clamp(18px,2.6vw,24px);font-weight:800;line-height:1.7;color:var(--ink-text);margin-bottom:10px}
.callout .src,.src{font-size:13px;color:var(--brand-teal);font-weight:600;opacity:.9}
.src{display:block;margin-top:8px}
.brand-block{border-left:4px solid var(--brand-teal);background:rgba(32,197,181,.07);padding:18px 20px;border-radius:0 12px 12px 0}
.disclaimer-inline{font-size:13.5px;color:#c0392b;font-weight:600;margin-top:10px}
.doc-link{display:block;text-decoration:none;transition:transform .2s}
.doc-link:hover{transform:translateY(-4px)}
.doc-link h3{font-size:16px;margin-bottom:6px;color:var(--ink-text)}
.doc-link span{font-size:12.5px;color:var(--muted)}
.footer{text-align:center;padding:40px 6vw;color:var(--ink-text);border-top:1px solid var(--glass-border);background:var(--ink-900)}
.footer .muted{color:var(--muted);font-size:12.5px;margin-top:6px}
.muted{color:var(--muted)}

/* ===================== 移动端 ===================== */
@media(max-width:768px){
  .nav{padding:8px 5vw}
  .nav .logo img{height:64px}
  .nav-toggle{display:block}
  .nav .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(7,22,46,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:6px 5vw 16px;gap:0;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 18px 40px rgba(0,0,0,.25)}
  .nav .nav-links.open{display:flex}
  .nav .nav-links a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav .nav-links a:last-child{border-bottom:none}
  .hero{padding:110px 6vw 50px;min-height:auto}
  .hero-inner{flex-direction:column-reverse;text-align:center;padding:30px 0 50px}
  .hero-copy{max-width:100%}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .cta{margin:0 auto}
  .bottle-stage{width:260px;height:390px;margin:0 auto}
  .product-wrap{width:230px}
  .red-halo{width:265px;height:265px}
  .red-core{width:115px;height:115px}
  .energy-ring{width:245px;height:245px}
  .section{padding:60px 6vw}
  .cards,.grid2,.grid3{grid-template-columns:1fr}
  .stat-row{gap:24px}
  body{font-size:16px;padding-bottom:8px}
  .visual-hero{min-height:48vh;padding:120px 6vw 60px}
  .media-row,.media-row.reverse{grid-template-columns:1fr;gap:32px}
  .media-row.reverse .media-visual{order:0}
  .gallery-grid{grid-template-columns:1fr}
  .gallery-grid .item.tall{grid-row:auto}
  .cert-row{grid-template-columns:1fr 1fr}
  .case-card{grid-template-columns:1fr}
  .case-card .case-img{min-height:200px}
}