/* ===== TOKENS ===== */
:root{
  --ink:#1a1a1a;--heading:#222;--text:#555;--muted:#8a8a8a;--muted-2:#A0A0A0;
  --line:#ececec;--line-2:#f0f0f0;--bg:#fff;--bg-soft:#f5f5f5;--bg-soft-2:#f4f6f8;
  --accent:#15315c;--accent-deep:#0d2547;--gold:#b8945c;
  --ease:cubic-bezier(.19,1,.22,1);
  --sans:"Noto Sans SC","SourceHanSansCN_Regular","Microsoft Yahei",sans-serif;
  --display:"Jost","Futura",var(--sans);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.85;overflow-x:hidden;-webkit-font-smoothing:antialiased;padding-bottom:130px}
img{max-width:100%;display:block}
img:not([src]){display:none}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.anchor-pad{padding-top:90px;margin-top:-90px}

/* ===== TOP NAV (givance 三段式) ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:#fff;border-bottom:1px solid var(--line);height:80px;display:flex;align-items:center;transition:var(--ease)}
.nav-inner{max-width:1400px;margin:0 auto;width:100%;padding:0 32px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.nav-l,.nav-r{display:flex;align-items:center;gap:26px}
.nav-l{justify-content:flex-start}
.nav-r{justify-content:flex-end}
.nav-toggle{display:inline-flex;align-items:center;gap:10px;padding:0 18px;height:40px;border:1px solid #e2e2e2;background:#fff;color:#222;font-size:12px;letter-spacing:3px;font-family:inherit;cursor:pointer}
.nav-toggle .bars{display:inline-block;width:18px;display:flex;flex-direction:column;gap:3px}
.nav-toggle .bars i{display:block;height:2px;background:#222;width:100%}
.nav-l .nav-link,.nav-r .nav-link{font-size:14px;color:#222;letter-spacing:1px;font-weight:400;position:relative;padding:6px 0;transition:var(--ease)}
.nav-l .nav-link::after,.nav-r .nav-link::after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:1.5px;background:var(--gold);transition:var(--ease)}
.nav-l .nav-link:hover::after,.nav-r .nav-link:hover::after{width:100%}
.nav-logo{flex-direction:column;align-items:center;justify-content:center;line-height:1;text-decoration:none;gap:7px}
.nav-logo .logo{height:40px;width:auto;display:block}
.logo-mark{font-family:var(--display);font-size:21px;font-weight:500;letter-spacing:.28em;color:var(--ink);padding-left:.28em}
.logo-sub{font-family:var(--sans);font-size:10px;letter-spacing:.36em;color:var(--muted);margin-top:1px;padding-left:.36em}
.nav-r .nav-icon{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#f5f5f5;color:#222;font-size:14px;transition:var(--ease);text-decoration:none;border:none;cursor:pointer}
.nav-r .nav-icon:hover{background:var(--accent);color:#fff}
.nav-r .nav-icon.chat-icon{position:relative}
.nav-r .nav-icon.chat-icon::after{content:"";position:absolute;top:9px;right:9px;width:6px;height:6px;border-radius:50%;background:#4ade80}

/* 微信 hover 二维码角标（givance 风：紧凑贴附，零延迟） */
.nav-item{position:relative;display:inline-flex;align-items:center}
.wx-qr-badge{position:absolute;top:calc(100% + 14px);right:-6px;width:92px;height:92px;
  background:#fff;border-radius:8px;padding:6px;box-shadow:0 12px 30px rgba(0,0,0,.18);
  opacity:0;visibility:hidden;transform:translateY(6px) scale(.96);
  transition:opacity .12s ease,transform .12s ease,visibility .12s;
  pointer-events:none;z-index:1200}
.wx-qr-badge::before{content:"";position:absolute;top:-6px;right:14px;width:12px;height:12px;
  background:#fff;transform:rotate(45deg);box-shadow:-2px -2px 4px rgba(0,0,0,.04)}
.wx-qr-badge img{width:100%;height:100%;display:block;object-fit:contain;border-radius:3px}
@media (hover:hover){
  .nav-item:hover .wx-qr-badge{opacity:1;visibility:visible;transform:translateY(0) scale(1);pointer-events:auto}
}
.nav-item.open .wx-qr-badge{opacity:1;visibility:visible;transform:translateY(0) scale(1);pointer-events:auto}

/* ===== MEGA MENU ===== */
.mega{position:fixed;top:80px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line-2);padding:60px 0 64px;z-index:999;display:none;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.mega.open{display:block}
.mega-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:48px;position:relative}
.mega-col h5{font-size:16px;font-weight:700;color:#222;letter-spacing:.04em;padding-bottom:14px;margin-bottom:20px;position:relative;display:flex;align-items:center;gap:12px}
.mega-col h5::after{content:"";flex:1;height:1px;background:var(--line)}
.mega-col ul li{margin-bottom:14px}
.mega-col ul li a{font-size:14px;color:#666;letter-spacing:.5px;transition:all .3s var(--ease);display:inline-block;padding:2px 0}
.mega-col ul li a:hover{color:var(--accent);padding-left:8px}
.mega-close{position:absolute;top:-44px;right:32px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;color:#222;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.mega-backdrop{position:fixed;inset:80px 0 0;background:rgba(0,0,0,.18);z-index:998;display:none}
.mega-backdrop.open{display:block}

/* ===== SUB-PAGE HEADER ===== */
.sub-head{padding:130px 0 70px;border-bottom:1px solid var(--line)}
.sub-head .crumbs{font-size:13px;color:var(--muted-2);letter-spacing:1px;margin-bottom:18px}
.sub-head .crumbs i{margin:0 6px;opacity:.5;font-style:normal}
.sub-head .crumbs a{color:var(--muted-2);transition:var(--ease)}
.sub-head .crumbs a:hover{color:var(--accent)}
.sub-head h1{font-size:clamp(34px,4.2vw,48px);font-weight:700;color:var(--heading);letter-spacing:.03em;line-height:1.2}
.sub-head .sub-en{font-family:var(--display);font-size:13px;letter-spacing:6px;color:var(--accent);text-transform:uppercase;margin-top:18px;font-weight:500}
.sub-head .sub-desc{margin-top:22px;font-size:15px;color:var(--muted-2);max-width:680px;line-height:2}

/* ===== SECTION PRIMITIVES ===== */
section{padding:130px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 70px}
.section-tag{display:inline-block;font-family:var(--display);font-size:13px;letter-spacing:6px;color:var(--accent);text-transform:uppercase;margin-bottom:18px;font-weight:500}
.section-title{font-family:var(--sans);font-size:clamp(26px,3.4vw,34px);font-weight:700;color:var(--heading);letter-spacing:.04em}
.section-subtitle{font-size:15px;color:var(--muted-2);line-height:2;letter-spacing:1px;margin-top:18px}

/* ===== BUTTONS ===== */
.btn-pill{display:inline-block;padding:14px 46px;border-radius:40px;font-size:14px;font-weight:500;letter-spacing:2px;transition:var(--ease);cursor:pointer;font-family:var(--sans);border:none}
.btn-pill.light{background:#fff;color:#333}
.btn-pill.light:hover{background:var(--ink);color:#fff}
.btn-pill.dark{background:var(--accent);color:#fff}
.btn-pill.dark:hover{background:var(--accent-deep)}
.btn-pill.outline{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-pill.outline:hover{background:var(--ink);color:#fff}
.btn-pill.ghost{border:1px solid #ddd;color:#222;background:#fff}
.btn-pill.ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ===== MEDIA ===== */
.media{position:relative;overflow:hidden;background:linear-gradient(135deg,#eef1f5,#e3e9f1);min-height:200px}
.media::after{content:attr(data-label);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#aab4c2;font-size:12px;letter-spacing:2px;text-align:center;padding:16px;z-index:0}
.media img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;display:block}
.media img:not([src]){display:none}

/* ===== HERO ===== */
.hero{position:relative;height:100vh;min-height:620px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#0d1320}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.28),rgba(0,0,0,.42));z-index:1}
.hero-center{position:relative;z-index:2;text-align:center;color:#fff;width:100%;padding:0 24px}
.hero-eyebrow{font-family:var(--display);font-size:14px;font-weight:500;letter-spacing:14px;text-transform:uppercase;margin-bottom:30px;opacity:.9;padding-left:14px}
.hero-title{font-family:var(--sans);font-weight:700;font-size:clamp(46px,10vw,128px);line-height:1.04;letter-spacing:.04em;margin-bottom:6vh;text-shadow:0 4px 40px rgba(0,0,0,.35)}
.hero-title .en{display:block;font-family:var(--display);font-size:.26em;letter-spacing:.42em;font-weight:400;margin-top:20px;opacity:.85;padding-left:.42em}
.hero-desc{font-size:16px;color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 40px;line-height:2;font-weight:300}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;color:#fff;font-size:11px;letter-spacing:4px;opacity:.7;text-align:center}
.hero-scroll i{display:block;width:1px;height:34px;background:rgba(255,255,255,.6);margin:10px auto 0;animation:scrollLine 2s infinite}
.hero-lead{position:absolute;bottom:0;left:0;right:0;z-index:3;background:rgba(0,0,0,.62);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.1)}
.hero-lead.closed{transform:translateY(110%)}
.hero-lead-inner{max-width:1200px;margin:0 auto;padding:16px 32px;display:flex;align-items:center;gap:22px;color:#fff}
.hero-lead .hl-brand{flex-shrink:0;border-right:1px solid rgba(255,255,255,.2);padding-right:22px}
.hero-lead .hl-brand b{display:block;font-family:var(--display);font-size:20px;font-weight:500;letter-spacing:.12em}
.hero-lead .hl-brand span{font-size:11px;letter-spacing:3px;opacity:.7;font-family:var(--display)}
.hero-lead .hl-proof{font-size:12px;color:rgba(255,255,255,.78);line-height:1.7;flex:1;min-width:0;padding-left:4px}
.hero-lead .hl-proof b{color:var(--gold);font-weight:700;font-family:var(--display);font-size:14px}
.hero-lead .hl-proof i{font-style:normal;font-family:var(--display);color:#fff;font-weight:600}
.hero-lead .hl-form{display:flex;gap:8px;align-items:center;flex-shrink:0}
.hero-lead .hl-form input{padding:12px 14px;border:none;border-radius:4px;background:rgba(255,255,255,.95);color:#222;font-size:13px;outline:none;font-family:inherit;width:150px}
.hero-lead .hl-form input:focus{background:#fff}
.hero-lead .hl-form button{padding:12px 22px;background:#fff;color:#222;border:none;border-radius:4px;font-size:13px;font-weight:500;letter-spacing:1px;cursor:pointer;font-family:inherit;white-space:nowrap}
.hero-lead .hl-form button:hover{background:var(--ink);color:#fff}
.hero-lead .hl-close{position:absolute;top:50%;right:12px;transform:translateY(-50%);background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;width:26px;height:26px;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}

/* 底部固定：加盟引导卡始终悬浮在视口底部 */
.lead-section{position:fixed;bottom:0;left:0;width:100%;z-index:999;
  background:var(--ink);padding:16px 24px;
  border-top:1px solid rgba(255,255,255,.12);
  box-shadow:0 -4px 24px rgba(0,0,0,.5)}
.lead-card{max-width:1100px;margin:0 auto;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:34px 40px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.lead-brand{flex-shrink:0;border-right:1px solid rgba(255,255,255,.18);padding-right:28px}
.lead-brand b{display:block;font-family:var(--display);font-size:24px;letter-spacing:.12em;color:#fff}
.lead-brand span{font-size:11px;letter-spacing:3px;opacity:.7;font-family:var(--display);color:#fff}
.lead-proof{font-size:13px;color:rgba(255,255,255,.78);line-height:1.8;flex:1;min-width:220px}
.lead-proof b{color:var(--gold);font-weight:700;font-family:var(--display);font-size:15px}
.lead-form{display:flex;gap:8px;align-items:center;flex-shrink:0;flex-wrap:wrap}
.lead-form input{padding:12px 14px;border:none;border-radius:6px;background:rgba(255,255,255,.95);
  color:#222;font-size:13px;outline:none;width:140px;font-family:inherit}
.lead-form button{padding:12px 24px;background:var(--gold);color:#1a1a1a;border:none;
  border-radius:6px;font-size:13px;font-weight:600;letter-spacing:1px;cursor:pointer;transition:.2s}
.lead-form button:hover{background:#fff}
@keyframes scrollLine{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:.9}}

/* ===== BRAND STRIP (home) ===== */
.brand-strip{background:var(--bg-soft);padding:90px 0}
.bs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:60px;text-align:center}
.bs-item .bs-mark{font-family:var(--display);font-size:14px;letter-spacing:4px;color:var(--gold);text-transform:uppercase;margin-bottom:16px}
.bs-item h4{font-size:18px;font-weight:700;color:var(--heading);margin-bottom:14px;letter-spacing:.04em}
.bs-item p{font-size:13.5px;color:var(--muted);line-height:1.95;max-width:280px;margin:0 auto}

/* ===== PRODUCT GRID ===== */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.product-card .media{aspect-ratio:4/5;border-radius:2px}
.product-card:hover .media img{transform:scale(1.06)}
.product-card .media img{transition:transform 1s var(--ease)}
.product-card .pc-body{padding:24px 4px 0}
.product-card h4{font-size:18px;font-weight:700;color:var(--heading);margin-bottom:10px;letter-spacing:.02em}
.product-card p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.product-card .pc-more{font-size:13px;color:var(--accent);font-weight:500;letter-spacing:1px;position:relative;padding-bottom:3px}
.product-card .pc-more::after{content:"";position:absolute;left:0;bottom:0;width:18px;height:1.5px;background:var(--accent);transition:var(--ease)}
.product-card:hover .pc-more::after{width:100%}

/* ===== SCIENCE BRIEF (home) ===== */
.science-brief{background:var(--bg-soft-2)}
.sci-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.sci-text h2{font-size:clamp(28px,3vw,36px);font-weight:700;color:var(--heading);letter-spacing:.03em;margin-bottom:20px}
.sci-text>p{color:var(--text);margin-bottom:24px;line-height:2;font-size:15px}
.sci-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0 30px}
.sci-stat .num{font-family:var(--display);font-size:42px;color:var(--accent);font-weight:500;line-height:1;display:block}
.sci-stat .label{font-size:12px;color:var(--muted-2);letter-spacing:2px;margin-top:8px;display:block;text-transform:uppercase}
.sci-media .media{aspect-ratio:5/4}

/* ===== SKIN MATCH BRIEF (home) ===== */
.skin-brief{background:#fff}
.sb-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.sb-text h2{font-size:clamp(28px,3vw,36px);font-weight:700;color:var(--heading);letter-spacing:.03em;margin-bottom:20px}
.sb-text>p{color:var(--text);margin-bottom:24px;line-height:2}
.sb-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.sb-dim{padding:22px 18px;border:1px solid var(--line);text-align:center;transition:var(--ease)}
.sb-dim:hover{border-color:var(--accent)}
.sb-dim .d-n{font-family:var(--display);font-size:24px;color:var(--gold);font-weight:500;margin-bottom:10px}
.sb-dim h5{font-size:14px;font-weight:700;color:var(--heading);letter-spacing:.04em}
.sb-media .media{aspect-ratio:4/5}

/* ===== SKIN MATCH (sub-page) ===== */
.skin-match-sec{background:var(--bg-soft)}
.sm-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.sm-text h3{font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--heading);line-height:1.35;margin-bottom:22px;letter-spacing:.02em}
.sm-text>p{color:var(--text);font-size:15px;line-height:2;margin-bottom:28px}
.sm-points{display:flex;flex-direction:column;gap:20px;margin-bottom:36px}
.sm-point{display:flex;gap:18px;align-items:flex-start}
.sm-point .n{font-family:var(--display);font-size:26px;color:var(--accent);font-weight:500;line-height:1.2}
.sm-point p{font-size:14px;color:var(--text);margin:0;line-height:1.7}
.sm-media .media{aspect-ratio:4/5;border-radius:2px}
.sm-cta{text-align:center;margin-top:48px}

/* ===== FLOW ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.flow-step{padding:0 30px;text-align:center;position:relative}
.flow-step:not(:last-child)::after{content:"";position:absolute;top:18px;right:0;width:1px;height:40px;background:var(--line)}
.flow-num{font-family:var(--display);font-size:44px;font-weight:400;color:var(--accent);opacity:.22;line-height:1}
.flow-step h4{font-size:17px;font-weight:700;color:var(--heading);margin:14px 0 10px;letter-spacing:.04em}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ===== SKIN TYPES ===== */
.skin-types-sec{background:#fff;border-top:1px solid var(--line)}
.st-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:20px;margin-bottom:46px}
.st-head .st-l{max-width:620px}
.st-head .st-l .section-tag{margin-bottom:14px}
.st-head .st-l h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--heading);letter-spacing:.03em}
.st-head .st-l p{font-size:14px;color:var(--muted-2);line-height:2;margin-top:14px}
.st-head .st-r{font-family:var(--display);font-size:13px;letter-spacing:2px;color:var(--accent);text-align:right}
.st-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.st-card{border:1px solid var(--line);border-radius:4px;padding:28px 24px;transition:var(--ease);background:#fff}
.st-card:hover{border-color:var(--accent);box-shadow:0 14px 30px rgba(0,0,0,.05);transform:translateY(-3px)}
.st-card .st-dim{font-family:var(--display);font-size:11px;letter-spacing:2px;color:var(--gold);text-transform:uppercase;margin-bottom:12px}
.st-card h4{font-size:19px;font-weight:700;color:var(--heading);margin-bottom:14px;letter-spacing:.02em}
.st-card .st-tags{display:flex;flex-wrap:wrap;gap:8px}
.st-card .st-tags span{font-size:12px;color:var(--text);background:var(--bg-soft);border-radius:30px;padding:5px 12px}

/* ===== TECH GRID ===== */
.tech{background:var(--bg-soft-2)}
.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff}
.tech-item{padding:34px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:var(--ease)}
.tech-item:hover{background:var(--bg-soft)}
.tech-item .t-num{font-family:var(--display);font-size:14px;font-weight:500;color:var(--gold);letter-spacing:2px;margin-bottom:16px}
.tech-item h4{font-size:17px;font-weight:700;color:var(--heading);margin-bottom:10px;letter-spacing:.01em;line-height:1.4}
.tech-item p{font-size:12.5px;color:var(--muted);line-height:1.75}
.tech-note{text-align:center;margin-top:30px;font-size:13px;color:var(--muted-2);letter-spacing:1px}

/* ===== STORY ===== */
.story{position:relative;background:#0d1320;color:#fff;overflow:hidden}
.story .story-bg{position:absolute;inset:0;z-index:0}
.story .story-bg img{width:100%;height:100%;object-fit:cover}
.story .story-bg:not([data-has])::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(13,19,32,.85),rgba(13,19,32,.55))}
.story .wrap{position:relative;z-index:1}
.story .sec-head{text-align:left;margin:0 0 50px;max-width:none}
.story .section-tag{color:#cfd8e6}
.story .section-title{color:#fff}
.story-intro{font-size:15px;line-height:2;color:rgba(255,255,255,.78);max-width:620px;margin-bottom:50px;font-weight:300}
.story-links{display:flex;gap:0;flex-wrap:wrap}
.story-link{flex:1;min-width:180px;padding:30px 28px;border:1px solid rgba(255,255,255,.14);margin-right:-1px;transition:var(--ease);color:#fff}
.story-link:hover{background:rgba(255,255,255,.06)}
.story-link .cn{display:block;font-size:18px;font-weight:700;margin-bottom:8px;position:relative;padding-bottom:12px;letter-spacing:.04em}
.story-link .cn::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:2px;background:var(--gold)}
.story-link .en{font-family:var(--display);font-size:12px;letter-spacing:2px;color:var(--muted-2);text-transform:uppercase}

/* ===== PHILO ===== */
.philo{background:#fff}
.philo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.philo-card{border:1px solid var(--line);border-radius:4px;padding:44px 36px;transition:var(--ease)}
.philo-card:hover{border-color:var(--accent)}
.philo-card .p-icon{font-size:32px;color:var(--accent);margin-bottom:22px}
.philo-card h4{font-size:20px;font-weight:700;color:var(--heading);margin-bottom:16px;letter-spacing:.04em}
.philo-card p{font-size:14px;color:var(--text);line-height:2}

/* ===== TIMELINE ===== */
.journey{background:var(--bg-soft)}
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.timeline::before{content:"";position:absolute;top:13px;left:0;right:0;height:1px;background:var(--line)}
.tl-node{position:relative;padding:0 14px;text-align:center}
.tl-node .tl-dot{width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--accent);margin:6px auto 26px;position:relative;z-index:1}
.tl-node .tl-year{font-family:var(--display);font-size:26px;font-weight:500;color:var(--accent);letter-spacing:1px;margin-bottom:12px}
.tl-node h4{font-size:15px;font-weight:700;color:var(--heading);margin-bottom:10px;letter-spacing:.02em}
.tl-node p{font-size:12.5px;color:var(--muted);line-height:1.75}

/* ===== STORES GRID ===== */
.stores-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.store-panel{position:relative;height:480px;overflow:hidden;border-radius:2px}
.store-panel .sp-img{position:absolute;inset:0;background:linear-gradient(135deg,#1b2740,#2c3e63);transition:transform 1s var(--ease)}
.store-panel:hover .sp-img{transform:scale(1.05)}
.store-panel .sp-img::after{content:attr(data-label);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.35);font-size:12px;letter-spacing:2px}
.store-panel .sp-img img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.store-panel .sp-img img:not([src]){display:none}
.store-panel .sp-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.45));z-index:1}
.store-panel .sp-content{position:absolute;left:40px;bottom:40px;z-index:2;color:#fff}
.store-panel .sp-city{font-size:26px;font-weight:700;letter-spacing:.06em;margin-bottom:14px}
.store-panel .sp-more{display:inline-block;background:rgba(255,255,255,.7);color:#111;padding:10px 28px;border-radius:30px;font-size:13px;font-weight:500}
.stores-cta{text-align:center;margin-top:60px}

/* ===== STORES LIST (sub-page) ===== */
.stores-list{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.store-card .media{aspect-ratio:16/10;border-radius:2px;margin-bottom:18px}
.store-card .media:hover img{transform:scale(1.06)}
.store-card .media img{transition:transform 1s var(--ease)}
.store-card h4{font-size:18px;font-weight:700;color:var(--heading);margin-bottom:8px;letter-spacing:.04em}
.store-card p{font-size:13px;color:var(--muted);line-height:1.8}

/* ===== FRANCHISE ===== */
.franchise{background:var(--bg-soft-2)}
.franchise-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.fr-head{margin-bottom:36px}
.fr-head h3{font-size:clamp(24px,2.8vw,30px);font-weight:700;color:var(--heading);line-height:1.4;margin-bottom:16px;letter-spacing:.02em}
.fr-hotline{font-size:14px;color:var(--text);margin-bottom:4px}
.fr-hotline b{font-family:var(--display);font-size:24px;color:var(--accent);font-weight:500;letter-spacing:1px;margin-left:10px}
.fr-points{display:grid;grid-template-columns:1fr 1fr;gap:22px 30px}
.fr-point .fp-n{font-family:var(--display);font-size:22px;color:var(--gold);font-weight:500;line-height:1}
.fr-point h4{font-size:15px;font-weight:700;color:var(--heading);margin:8px 0 4px}
.fr-point p{font-size:13px;color:var(--muted);line-height:1.7}
.lead-panel{background:#fff;border:1px solid var(--line);border-radius:4px;padding:38px}
.lead-panel h4{font-size:20px;font-weight:700;color:var(--heading);margin-bottom:6px;letter-spacing:.02em}
.lead-panel .lp-sub{font-size:13px;color:var(--muted);margin-bottom:24px;line-height:1.7}
.lead-form{display:flex;flex-direction:column;gap:13px}
.lead-form input,.lead-form select{padding:13px 16px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--text);font-size:14px;outline:none;font-family:inherit}
.lead-form input:focus,.lead-form select:focus{border-color:var(--accent)}
.lead-form button{padding:15px 32px;background:var(--accent);color:#fff;border:none;border-radius:30px;font-size:14px;font-weight:500;letter-spacing:1px;cursor:pointer}
.lead-form button:hover{background:var(--accent-deep)}
.qr-box{margin-top:22px;text-align:center;padding-top:22px;border-top:1px dashed var(--line);display:none}
.qr-box.show{display:block;animation:fadeUp .4s var(--ease)}
.qr-ph{width:140px;height:140px;margin:0 auto 12px;border-radius:6px;background:linear-gradient(135deg,#eef1f5,#e3e9f1);display:flex;align-items:center;justify-content:center;text-align:center;font-size:11px;color:#aab4c2;padding:12px}
.qr-box p{font-size:13px;color:var(--text)}
.qr-box .qr-tip{font-size:12px;color:var(--accent);margin-top:6px}

/* ===== NEWS ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#fff;border:1px solid var(--line-2);overflow:hidden;transition:var(--ease)}
.news-card:hover{box-shadow:0 20px 40px rgba(0,0,0,.08);transform:translateY(-4px)}
.news-card .media{aspect-ratio:16/10}
.news-card:hover .media img{transform:scale(1.08)}
.news-card .media img{transition:transform 1s var(--ease)}
.news-card .nc-body{padding:30px 28px 32px}
.news-date{font-family:var(--display);font-size:24px;color:var(--muted-2);font-weight:400;letter-spacing:1px;margin-bottom:18px}
.news-card h4{font-size:16px;font-weight:700;color:var(--heading);line-height:1.5;padding-bottom:14px;margin-bottom:14px;position:relative}
.news-card h4::after{content:"";position:absolute;left:0;bottom:0;width:22%;height:2px;background:var(--accent);transition:var(--ease)}
.news-card:hover h4::after{width:100%}
.news-card p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .nc-more{font-size:12px;color:var(--muted);letter-spacing:1px;display:flex;align-items:center;gap:0;transition:var(--ease)}
.news-card .nc-more i{display:inline-block;width:0;height:1px;background:var(--accent);margin-right:0;transition:var(--ease)}
.news-card:hover .nc-more{color:var(--accent)}
.news-card:hover .nc-more i{width:34px;margin-right:8px}

/* ===== NEWS BRIEF (home) ===== */
.news-preview{padding:130px 0;background:var(--bg-soft)}

/* ===== PRODUCTS PAGE TABS ===== */
.prod-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-bottom:60px}
.prod-tabs button{padding:12px 24px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;letter-spacing:1px;border-radius:30px;cursor:pointer;transition:var(--ease);font-family:inherit}
.prod-tabs button.active,.prod-tabs button:hover{border-color:var(--accent);background:var(--accent);color:#fff}
.prod-cat{margin-bottom:80px}
.prod-cat-head{display:flex;align-items:baseline;gap:20px;margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:18px}
.prod-cat-head h3{font-size:24px;font-weight:700;color:var(--heading);letter-spacing:.04em}
.prod-cat-head .cat-en{font-family:var(--display);font-size:13px;letter-spacing:4px;color:var(--muted-2);text-transform:uppercase}
.prod-cat-head .cat-num{font-family:var(--display);font-size:38px;color:var(--gold);font-weight:300;line-height:1;margin-left:auto}
.prod-cat-desc{font-size:14px;color:var(--muted-2);max-width:680px;line-height:1.85;margin-bottom:30px}
.prod-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.prod-item .media{aspect-ratio:1;border-radius:2px;margin-bottom:18px}
.prod-item h5{font-size:16px;font-weight:700;color:var(--heading);margin-bottom:6px;letter-spacing:.02em}
.prod-item .spec{font-family:var(--display);font-size:11px;color:var(--muted-2);letter-spacing:1px;margin-bottom:10px}
.prod-item .tags{display:flex;flex-wrap:wrap;gap:6px}
.prod-item .tags span{font-size:11px;color:var(--text);background:var(--bg-soft);border-radius:30px;padding:4px 10px}

/* ===== CONTACT PAGE ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact-info .ci-item{margin-bottom:30px;padding-bottom:30px;border-bottom:1px solid var(--line)}
.contact-info .ci-item:last-child{border-bottom:0}
.contact-info .ci-item h5{font-size:14px;font-weight:700;color:var(--heading);margin-bottom:10px;letter-spacing:2px;text-transform:uppercase}
.contact-info .ci-item .big{font-family:var(--display);font-size:28px;color:var(--accent);font-weight:500;letter-spacing:1px;margin-bottom:6px;display:block}
.contact-info .ci-item p{margin:0;color:var(--text);font-size:14px;line-height:2}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:4px;padding:38px}
.contact-form h4{font-size:20px;font-weight:700;color:var(--heading);margin-bottom:6px;letter-spacing:.02em}
.contact-form .cf-sub{font-size:13px;color:var(--muted);margin-bottom:24px}

/* ===== CTA STRIP (home) ===== */
.cta-strip{background:var(--ink);color:#fff;padding:120px 0;text-align:center}
.cta-strip h2{font-size:clamp(28px,3.5vw,42px);font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.cta-strip p{font-size:15px;color:rgba(255,255,255,.7);max-width:560px;margin:0 auto 36px;line-height:2}

/* ===== FOOTER (givance 极简风) ===== */
.footer{background:var(--accent-deep);color:rgba(255,255,255,.65);padding:60px 0 28px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:40px;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:36px;margin-bottom:24px}
.footer-brand .f-logo{font-family:var(--display);font-size:24px;color:#fff;letter-spacing:.12em;margin-bottom:14px;font-weight:500}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.5);max-width:280px;line-height:1.9}
.footer-nav{display:flex;gap:36px;flex-wrap:wrap}
.footer-nav .fc{display:flex;flex-direction:column;gap:10px;min-width:120px}
.footer-nav h6{color:#fff;font-size:13px;letter-spacing:2px;font-weight:500;margin-bottom:6px}
.footer-nav a{font-size:13px;color:rgba(255,255,255,.6);transition:var(--ease)}
.footer-nav a:hover{color:#fff}
.footer-contact{font-size:13px;color:rgba(255,255,255,.6);line-height:2;min-width:240px}
.footer-contact .hot{font-family:var(--display);font-size:22px;color:#fff;margin-bottom:10px;letter-spacing:1px;font-weight:500}
.footer-contact .social{margin-top:14px;display:flex;gap:10px}
.footer-contact .social a{width:32px;height:32px;border-radius:6px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:14px;transition:var(--ease)}
.footer-contact .social a:hover{background:rgba(255,255,255,.18)}
.footer-friends{border-top:1px solid rgba(255,255,255,.06);padding-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-friends .ff-label{color:rgba(255,255,255,.55);margin-right:8px;font-size:13px;letter-spacing:1px}
.footer-friends a{color:rgba(255,255,255,.5);transition:var(--ease)}
.footer-friends a:hover{color:#fff}
.footer-friends span{color:rgba(255,255,255,.15);margin:0 -4px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;margin-top:22px;border-top:1px dashed rgba(255,255,255,.08);font-size:12.5px;color:rgba(255,255,255,.4)}

/* ===== CHAT (now floating bottom-right, opened from top-right icon) ===== */
.chat-panel{position:fixed;right:24px;bottom:24px;z-index:9991;width:370px;max-width:calc(100vw - 40px);height:540px;max-height:calc(100vh - 120px);background:#fff;border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.22);display:flex;flex-direction:column;overflow:hidden;transform:translateY(20px) scale(.98);opacity:0;pointer-events:none;transition:var(--ease);border:1px solid var(--line)}
.chat-panel.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
.chat-head{background:var(--accent);color:#fff;padding:18px 22px;display:flex;align-items:center;gap:12px}
.chat-avatar{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:20px}
.chat-head-info h4{font-size:15px;font-weight:700}
.chat-head-info p{font-size:11px;opacity:.78}
.chat-close{margin-left:auto;background:rgba(255,255,255,.18);border:none;color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:18px}
.chat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px;background:var(--bg-soft)}
.chat-msg{max-width:82%;padding:12px 16px;border-radius:16px;font-size:13px;line-height:1.65;word-break:break-word}
.chat-msg.bot{background:#fff;color:var(--text);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.chat-msg.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;align-self:flex-start}
.chat-quick button{padding:7px 14px;border:1px solid var(--accent);background:transparent;color:var(--accent);border-radius:20px;font-size:12px;cursor:pointer;font-family:inherit}
.chat-quick button:hover{background:var(--accent);color:#fff}
.chat-foot{padding:14px 16px;border-top:1px solid var(--line);display:flex;gap:10px;background:#fff}
.chat-foot input{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:22px;font-size:13px;outline:none;font-family:inherit;color:var(--text)}
.chat-foot input:focus{border-color:var(--accent)}
.chat-foot button{border:none;background:var(--gold);color:#fff;width:42px;height:42px;border-radius:50%;cursor:pointer;font-size:16px}
.chat-foot button:hover{background:#a8824a}

/* ===== SCROLL TO TOP ===== */
.scroll-top{position:fixed;right:24px;bottom:96px;z-index:997;width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);color:#222;font-size:18px;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.06);transition:var(--ease);background-position:center}
.scroll-top.show{display:flex}
.scroll-top:hover{background:var(--bg-soft)}

@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .product-grid,.prod-cat-grid,.st-grid,.news-grid,.stores-list,.bs-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid,.philo-grid,.timeline{grid-template-columns:repeat(3,1fr);gap:24px}
  .timeline::before{display:none}
  .sm-grid,.franchise-grid,.sci-grid,.sb-grid,.contact-grid,.stores-grid{grid-template-columns:1fr;gap:40px}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:40px 0}
  .flow-step:nth-child(2)::after{display:none}
  .nav-inner{gap:14px;padding:0 20px}
  .nav-l,.nav-r{gap:16px}
  .nav-l .nav-link,.nav-r .nav-link{font-size:13px}
  .nav-toggle{padding:0 12px}
  .mega-inner{grid-template-columns:repeat(2,1fr);gap:36px}
  .footer-top{flex-direction:column;align-items:flex-start}
  .bs-item p{max-width:none}
}
@media(max-width:768px){
  .nav-inner{padding:0 16px;height:64px}
  .nav{height:64px}
  .nav-l .nav-link,.nav-r .nav-link{display:none}
  .nav-r .nav-icon{display:inline-flex}
  .nav-toggle{display:inline-flex}
  .mega{top:64px}
  .mega-inner{grid-template-columns:1fr 1fr;gap:32px;padding:32px 20px}
  .mega-close{top:-44px;right:14px}
  .product-grid,.prod-cat-grid,.st-grid,.news-grid,.stores-list,.bs-grid{grid-template-columns:1fr}
  .tech-grid,.philo-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:36px}
  .flow-grid{grid-template-columns:1fr;gap:36px}
  .flow-step::after{display:none!important}
  section{padding:80px 0}
  .sub-head{padding:90px 0 40px}
  .hero-eyebrow{letter-spacing:8px;font-size:12px;padding-left:8px}
  .hero-title{font-size:clamp(34px,12vw,56px);margin-bottom:5vh}
  .hero-lead-inner{flex-wrap:wrap;padding:12px 16px;gap:10px}
  .hero-lead .hl-brand{padding-right:14px}
  .hero-lead .hl-brand b{font-size:16px}
  .hero-lead .hl-proof{font-size:11px;width:100%;order:3;padding-top:6px;border-top:1px dashed rgba(255,255,255,.12)}
  .hero-lead .hl-form{width:100%;order:4;flex-wrap:wrap}
  .hero-lead .hl-form input{width:0;flex:1;min-width:120px}
  .chat-panel{left:16px;right:16px;bottom:80px;width:auto}
  .scroll-top{bottom:24px}
  .bs-grid{gap:40px}
}