/*
 Theme Name: 第五季新风
 Theme URI: https://www.d5jxf.com/
 Description: 第五季新风官网主题 —— 全呵护壁挂新风系统。支持产品 / 新闻自定义文章类型，页面文字与图片可通过 ACF 字段在后台可视化编辑。
 Version: 1.0
 Author: WorkBuddy
 Author URI: https://www.codebuddy.cn/
 Tags: custom-menu, featured-images, responsive-layout, accessibility-ready
*/
/* ============================================================
   第五季新风 · 共享设计系统 (Design Tokens)
   所有页面通过 assets/style.css 统一引用以下令牌，
   修改此处即可全站同步，避免散落硬编码。
   ============================================================ */
:root{
  /* ===== 品牌色 Brand ===== */
  --brand:#e23b3b;              /* 主品牌红 */
  --brand-2:#f0a23b;            /* 辅橙 */
  --brand-grad:linear-gradient(135deg,#e23b3b,#f0a23b);
  --gold:#c4a35a;               /* 荣誉金 */
  --gold-2:#dbb76a;
  --gold-grad:linear-gradient(135deg,#c4a35a,#dbb76a);
  --blue:#4a90d9;               /* 实用新型蓝 */
  --green:#43b561;               /* 外观设计绿 */

  /* ===== 墨色阶 Ink（文字） ===== */
  --ink:#1A1D22;                /* 标题 */
  --ink-2:#565C66;              /* 正文 */
  --ink-3:#939AA4;              /* 次要文字 */
  --graphite:#23262C;            /* 深石墨（按钮/强调） */

  /* ===== 背景阶 Background ===== */
  --bg:#FFFFFF;
  --bg-soft:#F7F8FA;
  --bg-softer:#FBFCFD;
  --panel:#F1F3F6;

  /* ===== 描边 / 银阶 Line ===== */
  --line:#ECEEF2;
  --line-2:#E2E5EA;
  --silver:#AEB4BF;
  --silver-deep:#868D98;
  --tint-red:#fef3f3;           /* 红浅底（图标默认） */
  --tint-gold:#fdf9f0;          /* 金浅底 */
  --tint-soft:#fafbfc;          /* 卡片浅底 */

  /* ===== 圆角 Radius ===== */
  --radius:22px;
  --radius-lg:26px;
  --radius-sm:12px;
  --radius-pill:999px;

  /* ===== 阴影 Shadow ===== */
  --shadow-soft:0 4px 28px rgba(28,32,40,.05);
  --shadow-card:0 2px 22px rgba(28,32,40,.045);
  --shadow-modal:0 40px 100px -24px rgba(35,38,44,.35);
  --shadow-hover:0 12px 40px -12px rgba(226,59,59,.15);

  /* ===== 字体 Typography ===== */
  --font-sans:"Inter","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-display:"Inter Tight","Noto Sans SC",sans-serif;

  /* ===== 动效 Motion ===== */
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-bounce:cubic-bezier(.34,1.56,.64,1);
  --dur-fast:.25s;
  --dur:.35s;
  --dur-slow:.45s;

  /* ===== 布局 Layout ===== */
  --maxw:1200px;
  --gap:24px;

  /* ===== 层级 Z-index ===== */
  --z-header:50;
  --z-modal:9999;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.65;
  font-weight:400;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px}
h1,h2,h3{color:var(--ink);font-family:"Inter Tight","Noto Sans SC",sans-serif;font-weight:300;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:30px;width:auto}
.brand .bn{font-family:"Inter Tight",sans-serif;font-weight:600;font-size:16px;letter-spacing:.04em;color:var(--ink)}
.brand .bn small{display:block;font-size:9px;letter-spacing:.42em;color:var(--silver-deep);font-weight:500;margin-top:1px}
.menu{display:flex;gap:42px}
.menu a{font-size:14px;color:var(--ink-2);font-weight:400;transition:color .25s;position:relative}
.menu a:hover{color:var(--ink)}
.menu a.active{color:var(--ink)}
.menu a.active::after{transform:scaleX(1)}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--graphite);transform:scaleX(0);transform-origin:center;transition:transform .3s}
.nav-cta{
  font-size:13px;font-weight:500;color:var(--ink);
  border:1px solid var(--line-2);padding:9px 22px;border-radius:40px;
  transition:all .25s;
}
.nav-cta:hover{background:var(--graphite);color:#fff;border-color:var(--graphite)}

/* ---------- Eyebrow / Section heads ---------- */
.eyebrow{
  font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--silver-deep);font-weight:500;margin-bottom:18px;
  display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--silver)}
.sec-title{font-size:38px;font-weight:300;line-height:1.22;color:var(--ink);max-width:18em}
.sec-sub{font-size:16px;color:var(--ink-3);margin-top:16px;max-width:40em;font-weight:300}
section{padding:108px 0}
.sec-head{margin-bottom:56px}
.page-hero{padding:84px 0 40px;background:linear-gradient(180deg,#FFFFFF 0%,#FBFCFD 100%)}
.page-hero h1{font-size:46px;font-weight:300;line-height:1.18;margin-top:18px;letter-spacing:-.02em}
.page-hero p{font-size:16px;color:var(--ink-3);margin-top:18px;font-weight:300;max-width:38em}

/* ---------- Hero — 全屏视频背景 ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:100vh;display:flex;align-items:center;
  background:#111;
}
.hero-bg-video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(135deg, rgba(18,20,26,.78) 0%, rgba(18,20,26,.52) 40%, rgba(18,20,26,.35) 70%, rgba(18,20,26,.55) 100%);
}
.hero-content{
  position:relative;z-index:2;padding-top:100px;padding-bottom:100px;
  max-width:680px;
}
.hero-tag{
  display:inline-block;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.2);padding:7px 16px;border-radius:999px;margin-bottom:24px;
  font-weight:500;
}
.hero h1{font-size:56px;line-height:1.14;font-weight:300;margin:16px 0 0;letter-spacing:-.02em;color:#fff}
.hero h1 b{font-weight:500;color:#fff}
.hero p.lead{font-size:17px;color:rgba(255,255,255,.8);margin-top:28px;font-weight:300;max-width:28em;line-height:1.85;letter-spacing:.005em}
.hero-cta{display:flex;gap:14px;margin-top:42px}
.btn{
  font-size:14px;font-weight:500;padding:15px 32px;border-radius:42px;
  transition:all .3s cubic-bezier(.22,.61,.36,1);cursor:pointer;border:1px solid transparent;
  letter-spacing:.01em;display:inline-block;
}
.btn-dark{background:#fff;color:#181a1e;box-shadow:0 4px 18px rgba(0,0,0,.2)}
.btn-dark:hover{background:#f0f0f0;transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.3)}
.btn-light{
  background:transparent;color:#fff;
  border-color:rgba(255,255,255,.4);
  backdrop-filter:saturate(140%) blur(8px);
}
.btn-light:hover{border-color:#fff;background:rgba(255,255,255,.12)}

/* Hero 统计数字区 */
.hero-stats{display:flex;gap:36px;margin-top:56px;padding-top:36px;border-top:1px solid rgba(255,255,255,.15)}
.hero-stats .st b{display:block;font-family:"Inter Tight";font-size:32px;font-weight:400;color:#fff;letter-spacing:-.02em;line-height:1.2}
.hero-stats .st span{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.03em;margin-top:3px;display:block}
/* ---------- Scene Banner ---------- */
.scene{
  margin-top:84px;height:340px;border-radius:26px;overflow:hidden;position:relative;
  background:#EAEEF2 url("https://images.unsplash.com/photo-1586023492125-27b2c045efd7?w=1800&q=80&auto=format&fit=crop") center/cover no-repeat;
  display:flex;align-items:flex-end;
}
.scene::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.86) 0%,rgba(255,255,255,.55) 38%,rgba(255,255,255,0) 70%)}
.scene .cap{position:relative;z-index:2;padding:40px 46px}
.scene .cap h3{font-size:26px;font-weight:300;color:var(--ink);letter-spacing:-.01em}
.scene .cap p{font-size:14px;color:var(--ink-2);margin-top:8px;font-weight:300}

/* ---------- Products ---------- */
.products{background:var(--bg-soft)}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 32px;transition:all .3s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:var(--line-2)}
.card .tag{
  align-self:flex-start;font-size:11px;letter-spacing:.08em;color:var(--silver-deep);
  border:1px solid var(--line-2);border-radius:30px;padding:5px 13px;font-weight:500;
}
.card .ph{
  margin:22px 0 24px;
  height:300px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 6px 20px -12px rgba(35,38,44,.18);
  padding:24px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.card .ph img{
  width:auto;height:auto;
  max-width:100%;max-height:100%;
  object-fit:contain;
  transition:transform .5s cubic-bezier(.22,.61,.36,1);
}
}
.card:hover .ph img{transform:scale(1.045)}
.card h3{font-size:19px;font-weight:400;color:var(--ink)}
.card .spec{font-size:13px;color:var(--ink-3);margin-top:12px;line-height:1.95;font-weight:300;flex:1}
.card .price{display:flex;align-items:baseline;gap:8px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.card .price b{font-family:"Inter Tight";font-size:28px;font-weight:400;color:var(--graphite);letter-spacing:-.01em}
.card .price span{font-size:13px;color:var(--ink-3)}
.pdt-link{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:500;color:var(--brand);letter-spacing:.02em;transition:all .25s}
.pdt-link:hover{color:#c41a1a;text-decoration:underline}

/* ---------- Tech breakdown ---------- */
.tech-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:14px;position:relative}
.tech-flow::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--line-2) 12%,var(--line-2) 88%,transparent);z-index:0}
.step{position:relative;z-index:1;text-align:center;padding:0 14px;transition:transform .35s}
.step .num{
  width:66px;height:66px;border-radius:50%;background:#fff;border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
  font-family:"Inter Tight";font-size:22px;font-weight:400;color:var(--silver-deep);
  box-shadow:var(--shadow-soft);transition:all .35s;
}
.step h4{font-size:16px;font-weight:400;color:var(--ink);margin-bottom:8px}
.step p{font-size:13px;color:var(--ink-3);font-weight:300;line-height:1.7}
.step:hover{transform:translateY(-4px)}
.step:hover .num{border-color:var(--silver);color:var(--graphite);box-shadow:0 8px 26px rgba(28,32,40,.08)}
.tech-detail{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;margin-top:72px;align-items:center}
.tech-detail .panel{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 36px;
}
.tech-detail h3{font-size:24px;font-weight:300;margin-bottom:18px}
.tech-detail ul{list-style:none;display:flex;flex-direction:column;gap:16px}
.tech-detail li{display:flex;gap:14px;font-size:14.5px;color:var(--ink-2);font-weight:300;align-items:flex-start}
.tech-detail li i{width:6px;height:6px;border-radius:50%;background:var(--silver);margin-top:9px;flex:none}
.report-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
}
.report-card img{width:100%;height:240px;object-fit:contain;display:block;background:linear-gradient(180deg,#f7f8fa,#eef0f4)}
/* 自适应画框：按图片真实比例满框显示，消除两侧大留白 */
.report-card img.fit-wide{height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:14px 14px 0 0}
.report-card img.fit-wide.filters{object-position:25% center}
.report-card img.smart-crop{object-position:center;border-radius:14px 14px 0 0}
.report-card img.fit-sq{height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:14px 14px 0 0}
.report-card .rc-cap{padding:18px 22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);font-weight:300}
.report-card .rc-cap b{color:var(--graphite);font-weight:500}

/* ---------- Cases ---------- */
.cases{background:var(--bg-soft)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  transition:all .3s;
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow-card)}
.case .q{font-size:13px;color:var(--silver-deep);letter-spacing:.06em;font-weight:500}
.case h4{font-size:20px;font-weight:300;color:var(--ink);margin:14px 0 12px}
.case p{font-size:14px;color:var(--ink-3);font-weight:300;line-height:1.8}
.logos{display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:48px;align-items:center;opacity:.7}
.logos span{font-family:"Inter Tight";font-size:15px;color:var(--silver-deep);letter-spacing:.02em;font-weight:400}
.logo-wall{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:center;margin-top:36px;opacity:.72}
.logo-wall span{font-family:"Inter Tight",sans-serif;font-size:18px;color:var(--silver-deep);font-weight:400;letter-spacing:.02em}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:10px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 32px;display:flex;flex-direction:column;gap:18px;transition:all .3s}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:var(--line-2)}
.quote .qt{font-size:15px;color:var(--ink-2);font-weight:300;line-height:1.9}
.quote .who{display:flex;align-items:center;gap:14px;margin-top:auto}
.quote .av{width:46px;height:46px;border-radius:50%;background:var(--panel);display:flex;align-items:center;justify-content:center;font-family:"Inter Tight",sans-serif;font-size:17px;color:var(--graphite);font-weight:500;flex:none}
.quote .who b{font-size:14px;color:var(--ink);font-weight:500;display:block}
.quote .who span{font-size:12.5px;color:var(--ink-3)}

/* ---------- Brand strength ---------- */
/* ====== 品牌实力：交互式数字卡片 ====== */
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.str{
  border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px;background:#fff;
  transition:all .35s cubic-bezier(.22,.61,.36,1);
  cursor:pointer;position:relative;overflow:hidden;
}
.str::before{
  content:'';position:absolute;top:0;left:0;width:4px;height:0;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  transition:height .35s cubic-bezier(.22,.61,.36,1);
  border-radius:0 0 2px 2px;
}
.str:hover{border-color:#e23b3b33;box-shadow:0 12px 40px -12px rgba(226,59,59,.15);transform:translateY(-4px)}
.str:hover::before{height:100%}
.str-interactive:active{transform:translateY(-2px) scale(.98)}

/* 卡片图标 */
.str-icon{
  width:44px;height:44px;border-radius:12px;background:var(--tint-red);display:flex;
  align-items:center;justify-content:center;margin-bottom:16px;font-size:20px;
  color:var(--brand);transition:all .3s;
}
.str:hover .str-icon{background:var(--brand);color:#fff;transform:scale(1.08) rotate(-5deg)}
.str b{display:block;font-family:"Inter Tight";font-size:42px;font-weight:300;color:var(--ink);letter-spacing:-.02em;line-height:1}
.str .u{font-size:15px;color:var(--ink-3);margin:6px 0 12px;font-weight:400}
.str p{font-size:13px;color:var(--ink-3);font-weight:300;line-height:1.7}

/* 点击提示 */
.str-tap{
  display:flex;align-items:center;gap:6px;margin-top:14px;
  font-size:12px;color:#c0c4cc;transition:color .3s;
}
.tap-dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
  animation:tapPulse 1.8s ease-in-out infinite;
}
@keyframes tapPulse{
  0%,100%{opacity:.4;transform:scale(1)} 50%{opacity:1;transform:scale(1.5)}
}
.str:hover .str-tap{color:var(--brand)}

/* 11年卡片特殊样式 */
.timeline-trigger .str-icon{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.timeline-trigger:hover{border-color:#e23b3b55;box-shadow:0 16px 48px -12px rgba(226,59,59,.25)}
.timeline-trigger::before{height:100%}

/* 详情弹层 */
.str-detail-popup{
  position:fixed;inset:0;z-index:9998;display:flex;align-items:center;
  justify-content:center;opacity:0;pointer-events:none;
  transition:opacity .35s ease;
}
.str-detail-popup.open{opacity:1;pointer-events:auto}
.str-detail-popup.open ~ .str-detail-overlay,
.str-detail-popup::before{
  content:'';position:absolute;inset:0;background:rgba(18,20,26,.50);
  backdrop-filter:saturate(120%) blur(10px);
}
.str-detail-inner{
  position:relative;z-index:2;width:88%;max-width:520px;
  background:#fff;border-radius:18px;padding:36px 32px 32px;
  box-shadow:0 32px 80px -20px rgba(35,38,44,.30);
  transform:translateY(20px) scale(.96);
  transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.str-detail-popup.open .str-detail-inner{transform:translateY(0) scale(1)}
.str-detail-close{
  position:absolute;top:14px;right:16px;width:32px;height:32px;border:none;
  border-radius:50%;background:#f4f5f7;font-size:18px;line-height:32px;
  text-align:center;color:var(--ink-3);cursor:pointer;transition:all .2s;
}
.str-detail-close:hover{background:var(--brand);color:#fff}
.str-detail-title{
  font-family:"Inter Tight",sans-serif;font-size:22px;font-weight:600;
  color:var(--ink);margin-bottom:16px;padding-left:14px;
  border-left:3px solid var(--brand);
}
.str-detail-body{font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0;font-weight:300}

/* 十大功效 — 5 列网格 */
.benefit-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}

/* 资质证书展示 */
.cert-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.cert-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .3s;
}
.cert-card:hover{box-shadow:var(--shadow-card);transform:translateY(-4px)}
.cert-card img{
  width:100%;height:200px;object-fit:cover;
  border-bottom:1px solid var(--line);
}
.cert-card span{
  display:block;padding:14px 18px;font-size:13px;color:var(--ink-2);
  font-weight:400;text-align:center;
}

.qual-list{
  list-style:none;padding:0;margin:36px 0 0;
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px 32px;
}
.qual-list li{
  font-size:14px;color:var(--ink-2);font-weight:300;line-height:1.7;
  padding-left:22px;position:relative;
}
.qual-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--silver);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(180deg,#FBFCFD,#F4F6F9);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  text-align:center;
}
.cta-band h2{font-size:36px;font-weight:300;color:var(--ink)}
.cta-band p{font-size:16px;color:var(--ink-3);margin:16px auto 34px;font-weight:300;max-width:34em}
.cta-band .hero-cta{justify-content:center}

/* ---------- Footer ---------- */
footer{background:#fff;padding:64px 0 40px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-grid .brand{margin-bottom:18px}
.foot-grid p{font-size:13.5px;color:var(--ink-3);font-weight:300;max-width:24em;line-height:1.85}
.foot-col h5{font-size:13px;color:var(--ink);font-weight:500;letter-spacing:.04em;margin-bottom:18px}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-3);font-weight:300;margin-bottom:12px;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-bar{border-top:1px solid var(--line);margin-top:48px;padding-top:26px;display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-3);font-weight:300}

/* ---------- Interactions (克制 · 呼吸感) ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .85s cubic-bezier(.22,.61,.36,1),transform .85s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}

header{transition:box-shadow .35s,background .35s}
header.scrolled{box-shadow:0 1px 0 var(--line),0 8px 30px rgba(28,32,40,.06);background:rgba(255,255,255,.92)}

/* 汉堡菜单 */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;cursor:pointer;border:1px solid var(--line-2);border-radius:10px;background:#fff}
.hamburger span{display:block;width:18px;height:1.6px;background:var(--ink);margin:0 auto;transition:transform .3s,opacity .3s}
body.menu-open .hamburger span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
body.menu-open .hamburger span:nth-child(2){opacity:0}
body.menu-open .hamburger span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
.mobile-menu{display:none}

/* 通用内容区块 */
/* ====== 全呵护理念：交互式特性卡片 ====== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  background:#fff;transition:all .35s cubic-bezier(.22,.61,.36,1);
  cursor:pointer;position:relative;overflow:hidden;
}
.feat-card::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:0;
  background:linear-gradient(90deg,#e23b3b10,var(--brand-2)10);
  transition:height .35s;
}
.feat-card:hover{border-color:#e23b3b30;box-shadow:0 10px 36px -10px rgba(226,59,59,.12);transform:translateY(-3px)}
.feat-card:hover::after{height:4px}
.feat-card:active{transform:translateY(0) scale(.98)}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 30px;
  transition:all .3s;
}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-card)}
.feature .ic{width:46px;height:46px;border-radius:12px;background:var(--panel);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-family:"Inter Tight";font-size:18px;color:var(--silver-deep)}
.feature h4{font-size:18px;font-weight:400;color:var(--ink);margin-bottom:10px}
.feature p{font-size:14px;color:var(--ink-3);font-weight:300;line-height:1.8}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .visual{min-height:380px;display:flex;align-items:center;justify-content:center;padding:30px}
.split .visual img{max-width:100%;max-height:340px;object-fit:contain}
.split h2{font-size:32px;font-weight:300;margin-bottom:18px;letter-spacing:-.01em}
.split p{font-size:15px;color:var(--ink-2);font-weight:300;line-height:1.9;margin-bottom:16px}
.split ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:8px}
.split li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);font-weight:300;align-items:flex-start}
.split li i{width:6px;height:6px;border-radius:50%;background:var(--silver);margin-top:9px;flex:none}

.prod-detail{padding:96px 0}
.spec-table{width:100%;border-collapse:collapse;margin-top:8px}
.spec-table th,.spec-table td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:14px;font-weight:300}
.spec-table th{color:var(--ink-3);font-weight:500;width:38%}
.spec-table td{color:var(--ink-2)}
.spec-table tr:hover td{background:var(--bg-soft)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 36px}
.form-card label{display:block;font-size:13px;color:var(--ink-2);font-weight:500;margin:18px 0 8px}
.form-card input,.form-card select,.form-card textarea{
  width:100%;padding:13px 16px;border:1px solid var(--line-2);border-radius:12px;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s;
}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{outline:none;border-color:var(--silver-deep)}
.form-card textarea{resize:vertical;min-height:96px}
.info-card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:38px 36px}
.info-card h4{font-size:16px;color:var(--ink);font-weight:500;margin:0 0 6px}
.info-card .row{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2);font-weight:300}
.info-card .row:last-child{border-bottom:none}
.info-card .row b{color:var(--graphite);font-weight:500;min-width:64px}
.info-card .row .store-link{display:inline-block;margin-left:6px;color:var(--brand);font-weight:500;text-decoration:none;border-bottom:1px solid transparent;transition:.2s}
.info-card .row .store-link:hover{color:#b81f1f;border-bottom-color:currentColor}

/* ---------- 受众切换 Tab ---------- */
.tab-switch{
  display:flex;gap:4px;justify-content:center;
  margin:0 auto 8px;width:fit-content;
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:999px;padding:5px;
}
.tab-switch button{
  border:none;background:transparent;cursor:pointer;
  font-family:inherit;font-size:15px;font-weight:500;color:var(--ink-3);
  padding:11px 26px;border-radius:999px;transition:all .25s ease;
}
.tab-switch button:hover{color:var(--ink)}
.tab-switch button.active{
  background:#fff;color:var(--brand);
  box-shadow:0 2px 10px rgba(0,0,0,.08);
}
.panel{animation:audFade .35s ease}
@keyframes audFade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .wrap{padding:0 24px}
  .menu{display:none}
  .hamburger{display:flex}
  .mobile-menu{display:flex;flex-direction:column;gap:4px;position:fixed;top:68px;left:0;right:0;z-index:49;
    background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:14px 24px 22px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .3s}
  body.menu-open .mobile-menu{transform:none;opacity:1;pointer-events:auto}
  .mobile-menu a{padding:13px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:38px}
  .hero .wrap{padding-top:72px;padding-bottom:56px}
  .hero-visual{min-height:300px}
  .hero-visual img{width:100%;max-width:400px}
  .hero-stats{gap:24px;margin-top:40px}
  .scene{height:260px}
  .scene::after{background:linear-gradient(0deg,rgba(255,255,255,.9),rgba(255,255,255,.1))}
  .case-grid{grid-template-columns:1fr}
  .tech-flow{grid-template-columns:1fr 1fr;gap:36px 0}
  .tech-flow::before{display:none}
  .tech-detail{grid-template-columns:1fr;gap:28px}
  .strength-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sec-title{font-size:30px}
  .page-hero h1{font-size:32px}
  .feature-grid{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .cert-gallery{grid-template-columns:1fr}
  .qual-list{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
/* ========== 企业历程弹窗：红点沿弯曲轨道前行 ========== */
.timeline-trigger{cursor:pointer;position:relative;transition:transform .3s}
.timeline-trigger:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.tap-hint{
  display:block;font-size:11.5px;color:var(--silver);margin-top:10px;
  letter-spacing:.03em;transition:color .3s;
}
.timeline-trigger:hover .tap-hint{color:var(--graphite)}

/* ========== 弹窗：红点顺滑轨道 + 气泡对话框 ========== */
.timeline-modal{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:center;
  justify-content:center;opacity:0;pointer-events:none;
  transition:opacity .4s ease,visibility .4s;
}
.timeline-modal.open{opacity:1;pointer-events:auto}
.timeline-overlay{
  position:absolute;inset:0;background:rgba(18,20,26,.55);
  backdrop-filter:saturate(120%) blur(12px);
}
.timeline-panel{
  position:relative;z-index:2;width:94%;max-width:820px;
  max-height:92vh;overflow-y:auto;overflow-x:hidden;
  background:#fff;border-radius:22px;padding:32px 28px 26px;
  box-shadow:0 40px 100px -24px rgba(35,38,44,.35);
  transform:translateY(30px) scale(.96);
  transition:transform .45s cubic-bezier(.22,.61,.36,1);
}
.timeline-modal.open .timeline-panel{
  transform:translateY(0) scale(1);
}
.timeline-close{
  position:absolute;top:16px;right:18px;
  width:36px;height:36px;border:none;border-radius:50%;
  background:#f0f1f3;font-size:20px;line-height:36px;text-align:center;
  color:var(--ink-3);cursor:pointer;transition:all .25s;
}
.timeline-close:hover{background:#f04848;color:#fff}
.timeline-title{
  font-size:25px;font-weight:300;margin:0 0 18px;
  text-align:center;color:var(--ink);letter-spacing:-.01em;
}

/* ========== 企业历程：顺滑曲线 + HTML 气泡 ========== */
.jr-canvas{
  position:relative;width:100%;aspect-ratio:800/920;
  background:linear-gradient(170deg,#fafbfc,#f0f2f6);
  border:1px solid #e2e5ea;border-radius:16px;overflow:visible;
}
.jr-svg{position:absolute;inset:0;width:100%;height:100%;display:block;overflow:visible}
/* HTML 覆盖层（与 SVG 同尺寸、同坐标比例）*/
.jr-overlay{position:absolute;inset:0;pointer-events:none;overflow:visible}
.jr-path{opacity:.78;stroke-linecap:round}
.jr-dot{fill:var(--brand);filter:url(#jrGlow)}

/* 轨道节点圆点 */
.jr-node{cursor:pointer;transition:transform .2s}
.jr-node:hover{transform:scale(1.25)}
.jr-node-dot{
  fill:#cdd2da;stroke:#fff;stroke-width:2.5;
  transition:fill .35s,stroke-width .35s;
}
.jr-node.active .jr-node-dot{fill:var(--brand);stroke-width:3.5}
.jr-node-ring{
  fill:none;stroke:var(--brand);stroke-width:2;opacity:0;
  transform-box:fill-box;transform-origin:center;
}
.jr-node.active .jr-node-ring{opacity:.7;animation:jrPulse 2s ease-out infinite}
@keyframes jrPulse{0%{transform:scale(.8);opacity:.8}100%{transform:scale(2.8);opacity:0}}

/* 年份标签（HTML，定位百分比）*/
.jr-node-year{
  position:absolute;transform:translate(-50%,-150%);
  font:600 12.5px "Inter Tight",sans-serif;color:#9aa0ad;
  white-space:nowrap;transition:all .35s;pointer-events:none;
}
.jr-node-year.active{color:var(--brand);font-weight:700;font-size:14px}

/* 气泡对话框（HTML）*/
.jr-bubble{
  position:absolute;width:200px;pointer-events:none;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(220,223,228,.6);border-radius:14px;
  padding:11px 14px;box-sizing:border-box;
  box-shadow:0 6px 22px rgba(30,33,40,.12);
  opacity:0;transition:opacity .4s ease,transform .5s cubic-bezier(.34,1.56,.64,1);
}
.jr-bubble::after{
  content:"";position:absolute;top:50%;width:0;height:0;
  transform:translateY(-50%);
  border:7px solid transparent;
}
.jr-bubble.left{
  transform:translate(calc(-100% - 26px),-50%) scale(.85);
  transform-origin:right center;
}
.jr-bubble.left::after{right:-7px;border-left-color:rgba(255,255,255,.94)}
.jr-bubble.right{
  transform:translate(26px,-50%) scale(.85);
  transform-origin:left center;
}
.jr-bubble.right::after{left:-7px;border-right-color:rgba(255,255,255,.94)}
.jr-bubble.show{opacity:1}
.jr-bubble.left.show{transform:translate(calc(-100% - 26px),-50%) scale(1)}
.jr-bubble.right.show{transform:translate(26px,-50%) scale(1)}
.jr-bubble-yr{font:700 15px "Inter Tight","Noto Sans SC",sans-serif;color:var(--brand);margin-bottom:3px}
.jr-bubble-txt{font:400 12.5px "Noto Sans SC","Inter",sans-serif;color:#3a3f4b;line-height:1.5}

/* 底部图例条 */
.jr-legend{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin-top:18px;padding:14px 22px;background:#fafbfc;border-radius:12px;
  border:1px solid #eeeef0;font-size:14px;color:var(--ink-2);
}
.jr-legend-year{font:700 17px "Inter Tight",sans-serif;color:var(--brand);min-width:48px;text-align:center}
.jr-legend-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex-shrink:0}
.jr-legend-text{font-size:13.5px;color:var(--ink-2);max-width:380px;line-height:1.5}

/* 控制按钮 */
.jr-controls{display:flex;justify-content:center;gap:12px;margin-top:18px}
.jr-btn{
  border:1.5px solid #dde0e5;background:#fff;color:var(--ink-2);
  height:38px;min-width:80px;padding:0 18px;border-radius:20px;cursor:pointer;
  font-size:13.5px;font-weight:500;transition:all .25s;
}
.jr-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:0 2px 10px rgba(226,59,59,.12)}
.jr-play{min-width:76px;font-weight:600}

@media (max-width:760px){
  .timeline-panel{width:96%;padding:26px 18px 22px}
  .timeline-title{font-size:21px;margin-bottom:14px}
  .jr-canvas{border-radius:12px}
  .jr-bubble{width:168px;padding:9px 12px}
  .jr-bubble-yr{font-size:13.5px}
  .jr-bubble-txt{font-size:11.5px}
  .jr-legend{flex-wrap:wrap;gap:8px;padding:10px 16px}
  .jr-legend-text{font-size:12.5px;max-width:260px}
  .jr-btn{height:34px;min-width:70px;font-size:13px;padding:0 14px}
}
/* ---------- 专利证书 瀑布流画廊弹窗 ---------- */
.patent-gallery-modal{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:center;
  justify-content:center;opacity:0;pointer-events:none;
  transition:opacity .4s ease,visibility .4s;
}
.patent-gallery-modal.open{opacity:1;pointer-events:auto}
.pg-overlay{
  position:absolute;inset:0;background:rgba(18,20,26,.58);
  backdrop-filter:saturate(120%) blur(14px);
}
.pg-panel{
  position:relative;z-index:2;width:94%;max-width:1000px;
  max-height:88vh;overflow-y:auto;overflow-x:hidden;
  background:#fff;border-radius:22px;padding:36px 36px 28px;
  box-shadow:0 40px 100px -24px rgba(35,38,44,.35);
  transform:translateY(30px) scale(.96);
  transition:transform .45s cubic-bezier(.22,.61,.36,1);
}
.patent-gallery-modal.open .pg-panel{
  transform:translateY(0) scale(1);
}

/* 关闭按钮 */
.pg-close{
  position:absolute;top:16px;right:18px;
  width:36px;height:36px;border:none;border-radius:50%;
  background:#f0f1f3;font-size:20px;line-height:36px;text-align:center;
  color:var(--ink-3);cursor:pointer;transition:all .25s;z-index:3;
}
.pg-close:hover{background:#f04848;color:#fff}

/* 头部 */
.pg-header{text-align:center;margin-bottom:24px}
.pg-badge{
  display:inline-block;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);font-weight:600;padding:6px 18px;border:1px solid #e8dcc8;
  border-radius:20px;background:linear-gradient(135deg,#fdf9f0,#f5edd5);margin-bottom:12px
}
.pg-title{
  font-size:28px;font-weight:300;color:var(--ink);margin:0 0 8px;letter-spacing:-.01em
}
.pg-sub{font-size:14px;color:var(--ink-3);font-weight:300;margin:0}

/* 分类标签 */
.pg-tabs{
  display:flex;justify-content:center;gap:10px;margin-bottom:28px;
  flex-wrap:wrap;
}
.pg-tab{
  font-size:13px;font-weight:500;color:var(--ink-3);padding:7px 20px;
  border:1px solid var(--line-2);border-radius:20px;cursor:pointer;
  transition:all .25s;background:#fff;
}
.pg-tab:hover{border-color:var(--gold);color:#997b2d}
.pg-tab.active{
  background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#fff;
  border-color:transparent;box-shadow:0 2px 12px rgba(196,163,90,.30);
}

/* ========== 瀑布流核心布局 ========== */
.pg-waterfall{
  column-count:4;column-gap:16px;
  /* 触发 GPU 加速，让动画更丝滑 */
  will-change:auto;
}
.pg-card{
  break-inside:avoid;margin-bottom:16px;
  background:#fff;border:1px solid var(--line-2);border-radius:14px;
  overflow:hidden;transition:transform .35s cubic-bezier(.22,.61,.36,1),
    box-shadow .35s ease,opacity .45s ease;
  cursor:pointer;position:relative;
  opacity:0;transform:translateY(32px) scale(.95);
}
.pg-card.show{
  opacity:1;transform:translateY(0) scale(1);
}
.pg-card:hover{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 16px 44px -10px rgba(28,32,40,.15);
  z-index:2;
}

/* 证书卡片内部结构 */
/* 真实证书缩略图容器 */
.pg-cert-img{
  width:100%;display:block;line-height:0;
  background:#efece6;border-bottom:1px solid #eeeef2;
  position:relative;overflow:hidden;
}
.pg-cert-photo{
  width:100%;height:auto;display:block;
  object-fit:cover;
}
/* 证书文字（图下方）改由 .pg-info 呈现 */
.pg-cert-name{font-size:11px;font-weight:600;color:#333;text-align:center;letter-spacing:.04em}
.pg-cert-no{font-size:9.5px;color:#997b2d;text-align:center;font-family:"Inter Tight",monospace}
.pg-cert-seal{
  position:absolute;bottom:8px;right:10px;
  width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;opacity:.55;
  background:rgba(226,59,59,.03);
}
.pg-cert-type{
  position:absolute;top:8px;left:8px;
  font-size:9.5px;font-weight:600;letter-spacing:.06em;
  padding:3px 10px;border-radius:10px;color:#fff;
}
.pg-cert-type.invention{background:linear-gradient(135deg,var(--brand),#f04848)}
.pg-cert-type.utility{background:linear-gradient(135deg,#4a90d9,#5ba0e8)}
.pg-cert-type.design{background:linear-gradient(135deg,#43b561,#54c46e)}
.pg-cert-type.honour{background:linear-gradient(135deg,var(--gold),var(--gold-2))}

/* 底部信息栏 */
.pg-info{
  padding:12px 14px;
}
.pg-info-title{
  font-size:13px;font-weight:500;color:var(--ink);line-height:1.5;
  margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;
}
.pg-info-meta{
  display:flex;gap:10px;font-size:11px;color:var(--silver-deep)
}
.pg-info-meta span{
  display:flex;align-items:center;gap:3px;
}

/* 页脚统计 */
.pg-footer{
  text-align:center;margin-top:24px;padding-top:20px;
  border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.pg-footer b{color:var(--brand);font-weight:600}

/* ====== 瀑布流动画延迟分配 ====== */
/* 通过 JS 设置 --delay CSS 变量控制每张卡片的入场时机 */
.pg-card[data-delay="0"]{transition-delay:0ms}
.pg-card[data-delay="1"]{transition-delay:60ms}
.pg-card[data-delay="2"]{transition-delay:120ms}
.pg-card[data-delay="3"]{transition-delay:180ms}
.pg-card[data-delay="4"]{transition-delay:240ms}
.pg-card[data-delay="5"]{transition-delay:300ms}
.pg-card[data-delay="6"]{transition-delay:360ms}
.pg-card[data-delay="7"]{transition-delay:420ms}
.pg-card[data-delay="8"]{transition-delay:480ms}
.pg-card[data-delay="9"]{transition-delay:540ms}
.pg-card[data-delay="10"]{transition-delay:600ms}
.pg-card[data-delay="11"]{transition-delay:660ms}
.pg-card[data-delay="12"]{transition-delay:720ms}
.pg-card[data-delay="13"]{transition-delay:780ms}
.pg-card[data-delay="14"]{transition-delay:840ms}
.pg-card[data-delay="15"]{transition-delay:900ms}
.pg-card[data-delay="16"]{transition-delay:960ms}
.pg-card[data-delay="17"]{transition-delay:1020ms}
.pg-card[data-delay="18"]{transition-delay:1080ms}
.pg-card[data-delay="19"]{transition-delay:1140ms}
.pg-card[data-delay="20"]{transition-delay:1200ms}
.pg-card[data-delay="21"]{transition-delay:1260ms}
.pg-card[data-delay="22"]{transition-delay:1320ms}
.pg-card[data-delay="23"]{transition-delay:1380ms}

/* 响应式 */
@media (max-width:980px){
  .pg-panel{width:96%;padding:26px 20px 22px;max-height:90vh}
  .pg-waterfall{column-count:3;column-gap:12px}
  .pg-card{margin-bottom:12px}
  .pg-title{font-size:24px}
}
@media (max-width:640px){
  .pg-waterfall{column-count:2;column-gap:10px}
  .pg-tabs{gap:6px}
  .pg-tab{font-size:12px;padding:6px 14px}
  .pg-title{font-size:21px}
}

/* ---------- 专利证书点击放大（灯箱） ---------- */
.pg-lightbox{
  position:fixed;inset:0;z-index:99999;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.78);opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.pg-lightbox.open{opacity:1;pointer-events:auto}
.pg-lb-inner{
  position:relative;max-width:88vw;max-height:88vh;
  display:flex;flex-direction:column;align-items:center;
}
.pg-lb-img{
  max-width:88vw;max-height:80vh;
  border-radius:var(--radius);box-shadow:0 12px 60px rgba(0,0,0,.45);
  object-fit:contain;background:#fff;
}
.pg-lb-close{
  position:absolute;top:-40px;right:-10px;
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.18);color:#fff;
  border:none;font-size:22px;line-height:1;cursor:pointer;
  transition:background .2s;
}
.pg-lb-close:hover{background:rgba(255,255,255,.35)}
.pg-lb-caption{
  margin-top:14px;color:#e8e8e8;font-size:15px;text-align:center;
  max-width:80vw;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;
}

/* ---------- 品牌实力 · 产品矩阵瀑布流 ---------- */
.brand-gallery{
  column-count:4;column-gap:14px;margin-top:24px;
}
.bg-item{
  break-inside:avoid;margin-bottom:14px;
  border-radius:var(--radius);overflow:hidden;
  background:#fff;border:1px solid var(--line);
  box-shadow:0 2px 10px rgba(35,38,44,.06);
  transition:transform .3s ease,box-shadow .3s ease;
  opacity:0;transform:translateY(24px);
}
.bg-item.revealed,
.reveal.active .bg-item{opacity:1;transform:translateY(0)}
.bg-item:hover{
  transform:translateY(-4px) scale(1.02);
  box-shadow:0 8px 28px rgba(35,38,44,.12);
}
.bg-item img{
  display:block;width:100%;height:auto;
  transition:transform .4s ease;
}
.bg-item:hover img{transform:scale(1.05)}

@media (max-width:980px){
  .brand-gallery{column-count:3;column-gap:11px}
  .bg-item{margin-bottom:11px}
}
@media (max-width:640px){
  .brand-gallery{column-count:2;column-gap:9px}
  .bg-item{margin-bottom:9px}
}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-visual img{animation:none}
  .hero-visual::before{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 达人合作 · 卡片墙 ---------- */
.kol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:10px}
.kol-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 26px 26px;text-align:center;
  transition:transform .3s,box-shadow .3s,border-color .3s;overflow:hidden;
}
.kol-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.kol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:var(--line-2)}
.kol-card:hover::before{transform:scaleX(1)}
.kol-av{
  width:78px;height:78px;border-radius:50%;margin:0 auto 16px;object-fit:cover;
  border:2px solid #fff;box-shadow:0 4px 16px rgba(28,32,40,.12);
  background:var(--panel);display:flex;align-items:center;justify-content:center;
  font-family:"Inter Tight",sans-serif;font-size:26px;color:var(--graphite);font-weight:500;
}
.kol-name{font-size:17px;font-weight:500;color:var(--ink);margin-bottom:8px}
.kol-plat{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:500;
  padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:14px;
  background:rgba(226,59,59,.08);color:var(--brand);letter-spacing:.02em;
}
.kol-plat.xhs{background:rgba(255,44,80,.09);color:#ff2c50}
.kol-plat.dy{background:rgba(22,24,35,.07);color:#161823}
.kol-plat.sph{background:rgba(250,157,59,.12);color:#e07a10}
.kol-plat.bili{background:rgba(0,161,214,.10);color:#00a1d6}
.kol-plat.star{background:linear-gradient(135deg,#c4a35a,#d4b76a);color:#fff;font-weight:600;letter-spacing:.04em}
.kol-fans{font-family:"Inter Tight",sans-serif;font-size:22px;font-weight:600;color:var(--graphite);line-height:1}
.kol-fans small{display:block;font-family:"Noto Sans SC",sans-serif;font-size:12px;color:var(--ink-3);font-weight:400;margin-top:5px;letter-spacing:.04em}
.kol-desc{font-size:13px;color:var(--ink-3);font-weight:300;line-height:1.7;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.kol-stat{display:flex;justify-content:center;gap:28px;margin-top:56px;flex-wrap:wrap}
.kol-stat .n{font-family:"Inter Tight",sans-serif;font-size:38px;font-weight:600;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.kol-stat .l{font-size:13px;color:var(--ink-3);margin-top:8px;letter-spacing:.04em}
.kol-stat .item{text-align:center;min-width:120px}
@media (max-width:980px){.kol-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.kol-grid{grid-template-columns:1fr}.kol-stat{gap:20px}.kol-stat .n{font-size:30px}}

/* ---------- 明星合作展示（方青卓） ---------- */
.star-showcase{
  display:flex;gap:44px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:40px 38px 36px;
  box-shadow:0 8px 32px -12px rgba(28,32,40,.10);
  max-width:900px;margin:0 auto;
}
.star-gallery{
  flex:0 0 340px;shrink:0;
}
.star-main-img{
  width:100%;height:420px;border-radius:14px;overflow:hidden;
  background:#f5f6f8;display:flex;align-items:center;justify-content:center;
}
.star-main-img img{
  width:100%;height:100%;object-fit:cover;transition:opacity .4s ease;
}
.star-thumbs{
  display:flex;gap:8px;margin-top:12px;justify-content:center;
}
.star-thumb{
  width:52px;height:52px;border-radius:10px;overflow:hidden;border:2px solid transparent;
  padding:0;background:none;cursor:pointer;transition:all .25s ease;
}
.star-thumb img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.star-thumb:hover{border-color:var(--silver);transform:scale(1.06)}
.star-thumb.active{border-color:var(--brand);box-shadow:0 2px 10px rgba(226,59,59,.25)}

.star-info{flex:1;min-width:0;padding-top:6px}
.star-badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:#fff;background:linear-gradient(135deg,#c4a35a,#d4b76a,#e8c87a);
  padding:5px 16px;border-radius:30px;text-transform:uppercase;margin-bottom:18px;
}
.star-name{
  font-size:28px;font-weight:600;color:var(--ink);margin-bottom:6px;line-height:1.3;
}
.star-year{
  display:inline-block;font-size:15px;font-weight:500;color:#c4a35a;
  background:rgba(196,163,90,.10);padding:3px 12px;border-radius:8px;
  margin-left:12px;vertical-align:middle;
}
.star-desc{
  font-size:14.5px;color:var(--ink-2);font-weight:300;line-height:1.95;margin:18px 0 24px;
}
.star-tags{
  display:flex;flex-wrap:wrap;gap:8px;
}
.star-tags span{
  font-size:12.5px;font-weight:500;color:var(--ink-2);
  background:linear-gradient(135deg,#f7f8fa,#f0f1f3);
  border:1px solid var(--line);border-radius:30px;padding:6px 16px;
  letter-spacing:.02em;transition:all .25s;
}
.star-tags span:hover{
  border-color:var(--brand);color:var(--brand);background:rgba(226,59,59,.04);
}

/* ---- 场景 Bento 网格（看见干净的空气）---- */
.scene-bento{
  display:grid;
  grid-template-columns:240px 1fr 1fr 240px;
  grid-template-rows:auto auto;
  gap:16px;
  max-width:1000px;margin:0 auto;
}
.scene-bento .sb-item{border-radius:18px;overflow:hidden;position:relative}
.scene-bento .sb-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.scene-bento .sb-item:hover img{transform:scale(1.03)}
/* 布局：[ tall | wide(2col) ][ wide2(2col) | tall ][ -- center(2col) -- ] */
.sb-tall{grid-row:span 2}
.sb-wide{grid-column:span 2}
.sb-wide2{grid-column:span 2}
.sb-center{grid-column:1 / -1}

/* 响应式：平板 / 笔记本 / 手机 逐级收缩 */
@media (max-width:980px){
  .star-showcase{gap:32px;padding:34px 30px 30px}
  .star-gallery{flex:0 0 300px}
  .star-main-img{height:380px}
}
@media (max-width:680px){
  .star-showcase{flex-direction:column;gap:24px;padding:26px 18px 24px;border-radius:16px}
  .star-gallery{flex:none;width:100%}
  .star-main-img{height:340px}
  .star-info{padding-top:0}
  .star-name{font-size:23px}
  .star-desc{font-size:14px;margin:14px 0 20px}
  /* Bento 移动端：单列 */
  .scene-bento{grid-template-columns:1fr;max-width:480px}
  .sb-tall,.sb-wide,.sb-wide2,.sb-center{grid-column:1;grid-row:auto}
}
@media (max-width:420px){
  .star-showcase{padding:20px 14px 22px;gap:18px}
  .star-main-img{height:280px;border-radius:12px}
  .star-thumbs{gap:6px}
  .star-thumb{width:44px;height:44px;border-radius:9px}
  .star-name{font-size:21px}
  .star-year{font-size:13px;padding:2px 9px;margin-left:8px}
  .star-tags{gap:6px}
  .star-tags span{font-size:11.5px;padding:5px 12px}
  .star-badge{font-size:11px;padding:4px 13px;margin-bottom:14px}
}

/* ---------- 新闻中心 · 卡片墙 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:8px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:var(--line-2)}
.news-thumb{height:172px;position:relative;background:linear-gradient(135deg,#e23b3b,#f0a23b);display:flex;align-items:center;justify-content:center;overflow:hidden}
.news-thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 28% 20%,rgba(255,255,255,.28),transparent 60%)}
.nt-ic{position:relative;z-index:1;font-family:"Inter Tight",sans-serif;font-size:46px;font-weight:600;color:#fff;line-height:1}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.news-cat{font-size:12px;font-weight:500;color:var(--brand);background:rgba(226,59,59,.08);padding:3px 11px;border-radius:var(--radius-pill)}
.news-cat.cat-news{color:#c4a35a;background:rgba(196,163,90,.12)}
.news-cat.cat-tech{color:#0f8a6b;background:rgba(15,138,107,.10)}
.news-date{font-family:"Inter Tight",sans-serif;font-size:13px;color:var(--ink-3)}
.news-card h3{font-size:17px;font-weight:500;line-height:1.45;color:var(--ink);margin-bottom:10px}
.news-card p{font-size:13.5px;color:var(--ink-3);font-weight:300;line-height:1.7;flex:1}
.news-more{margin-top:16px;font-size:13px;font-weight:500;color:var(--brand);transition:letter-spacing .2s}
.news-card:hover .news-more{letter-spacing:.04em}
@media (max-width:980px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.news-grid{grid-template-columns:1fr}}
.news-card{cursor:pointer}

/* ---------- 文章详情弹窗 ---------- */
.article-modal{position:fixed;inset:0;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .35s ease,visibility .35s}
.article-modal.open{opacity:1;pointer-events:auto}
.art-overlay{position:absolute;inset:0;background:rgba(18,20,26,.58);backdrop-filter:saturate(120%) blur(14px)}
.art-panel{position:relative;z-index:2;width:94%;max-width:760px;max-height:88vh;overflow-y:auto;overflow-x:hidden;background:#fff;border-radius:22px;padding:44px 46px 40px;box-shadow:var(--shadow-modal);transform:translateY(30px) scale(.96);transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.article-modal.open .art-panel{transform:translateY(0) scale(1)}
.art-close{position:absolute;top:16px;right:18px;width:38px;height:38px;border:none;border-radius:50%;background:#f0f1f3;font-size:24px;line-height:38px;text-align:center;color:var(--ink-3);cursor:pointer;transition:all .25s;z-index:3}
.art-close:hover{background:var(--brand);color:#fff}
.art-cat{display:inline-block;font-size:11px;letter-spacing:.08em;color:#fff;background:var(--brand);border-radius:30px;padding:5px 14px;font-weight:500}
.art-date{margin-left:12px;font-size:13px;color:var(--ink-3)}
.art-title{font-size:26px;font-weight:500;line-height:1.4;color:var(--ink);margin:16px 0 22px}
.art-body p{font-size:15px;color:var(--ink-2);font-weight:300;line-height:1.95;margin-bottom:16px}
.art-body h3{font-size:18px;font-weight:500;color:var(--ink);margin:28px 0 12px}
.art-body ul,.art-body ol{margin:0 0 16px;padding-left:22px}
.art-body li{font-size:14.5px;color:var(--ink-2);font-weight:300;line-height:1.9;margin-bottom:8px}
.art-body strong{font-weight:600;color:var(--ink)}
@media (max-width:560px){.art-panel{padding:38px 22px 32px}.art-title{font-size:21px}}

/* ---------- 商品详情弹窗 ---------- */
.pdt-modal{position:fixed;inset:0;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .35s ease,visibility .35s}
.pdt-modal.open{opacity:1;pointer-events:auto}
.pdt-overlay{position:absolute;inset:0;background:rgba(18,20,26,.65);backdrop-filter:saturate(120%) blur(14px)}
.pdt-panel{position:relative;z-index:2;width:94%;max-width:680px;max-height:92vh;overflow-y:auto;overflow-x:hidden;background:#fff;border-radius:22px;padding:36px 34px 40px;box-shadow:var(--shadow-modal);transform:translateY(30px) scale(.96);transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.pdt-modal.open .pdt-panel{transform:translateY(0) scale(1)}
.pdt-close{position:absolute;top:14px;right:16px;width:38px;height:38px;border:none;border-radius:50%;background:#f0f1f3;font-size:24px;line-height:38px;text-align:center;color:var(--ink-3);cursor:pointer;transition:all .25s;z-index:3}
.pdt-close:hover{background:var(--brand);color:#fff}
.pdt-header{margin-bottom:24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pdt-tag{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.08em;color:#fff;background:linear-gradient(135deg,#c4a35a,#d4b76a);border-radius:30px;padding:5px 16px}
.pdt-header h2{font-size:24px;font-weight:600;color:var(--ink);margin:0}
.pdt-gallery img{width:100%;display:block;margin-bottom:8px;border-radius:10px}
.pdt-gallery img:last-child{margin-bottom:0}
@media (max-width:600px){.pdt-panel{padding:26px 16px 28px;max-height:94vh}.pdt-header h2{font-size:20px}.pdt-gallery img{border-radius:8px}}