/* ============================================================
   DESIGN SYSTEM — Apple-inspired minimalism + Morandi palette
   ============================================================ */
:root{
  --bg:        #fbfbfd;
  --bg-soft:   #f5f5f7;
  --bg-dark:   #1d1d1f;
  --ink:       #1d1d1f;
  --ink-2:     #424245;
  --muted:     #6e6e73;
  --muted-2:   #86888b;
  --rule:      #d2d2d7;
  --rule-soft: #e8e8ed;
  --accent:    #5b7c7c;
  --accent-2:  #8a9a8a;
  --accent-3:  #a8917b;
  --glass-bg:  rgba(255,255,255,0.6);
  --glass-bd:  rgba(255,255,255,0.18);
  --shadow-1:  0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-2:  0 8px 28px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-3:  0 20px 60px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --ease:      cubic-bezier(0.16,1,0.3,1);
  --ease-2:    cubic-bezier(0.32,0.72,0,1);
  --ease-3:    cubic-bezier(0.34,1.56,0.64,1);
  --container: 1120px;
  --container-narrow: 860px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;letter-spacing:-0.003em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
ul{list-style:none}
::selection{background:var(--accent);color:#fff}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:9999;
  border-radius:50%;mix-blend-mode:difference;will-change:transform;
}
.cursor-dot{
  width:6px;height:6px;background:#fff;
  transform:translate(-50%,-50%);
  transition:width .3s var(--ease),height .3s var(--ease),opacity .3s;
}
.cursor-ring{
  width:36px;height:36px;border:1.5px solid rgba(255,255,255,0.5);
  transform:translate(-50%,-50%);
  transition:width .35s var(--ease),height .35s var(--ease),border-color .35s,opacity .35s,background .35s;
}
body.cursor-hover .cursor-ring{width:56px;height:56px;border-color:rgba(255,255,255,0.8)}
body.cursor-hover .cursor-dot{width:4px;height:4px}
body.cursor-magnetic .cursor-ring{width:64px;height:64px;background:rgba(91,124,124,0.08);border-color:var(--accent)}
@media(hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none!important}}

/* ============================================================
   AMBIENT BACKGROUND
   ============================================================ */
.ambient{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.ambient::before,.ambient::after{
  content:'';position:absolute;border-radius:50%;filter:blur(80px);
  opacity:0.3;will-change:transform;
}
.ambient::before{
  width:600px;height:600px;
  background:radial-gradient(circle,var(--accent),transparent 70%);
  top:-10%;right:-5%;
  animation:drift1 28s var(--ease) infinite alternate;
}
.ambient::after{
  width:500px;height:500px;
  background:radial-gradient(circle,var(--accent-2),transparent 70%);
  bottom:-15%;left:-8%;
  animation:drift2 32s var(--ease) infinite alternate;
}
@keyframes drift1{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-60px,80px) scale(1.15)}}
@keyframes drift2{0%{transform:translate(0,0) scale(1)}100%{transform:translate(80px,-60px) scale(1.1)}}

/* ============================================================
   SCROLL PROGRESS BAR
   ============================================================ */
.progress{
  position:fixed;top:0;left:0;width:0%;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  z-index:1000;transition:width .1s linear;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;padding:18px 0;
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  background:rgba(251,251,253,0.72);border-bottom:1px solid transparent;
  transition:border-color .4s,background .4s;
}
.nav.scrolled{border-bottom-color:var(--rule-soft)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-size:17px;font-weight:600;letter-spacing:-0.02em;display:flex;align-items:center;gap:10px}
.nav-brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(91,124,124,0.15);animation:pulse 3s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(91,124,124,0.15)}50%{box-shadow:0 0 0 6px rgba(91,124,124,0.08)}}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14px;color:var(--muted);transition:color .25s;position:relative}
.nav-links a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--accent);transition:width .3s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  font-size:14px;font-weight:600;padding:9px 22px;border-radius:100px;
  background:linear-gradient(135deg,var(--ink),#2d2d2f);color:#fff!important;
  transition:transform .3s var(--ease),box-shadow .3s,background .3s;
  box-shadow:0 2px 8px rgba(0,0,0,0.1);
}
.nav-cta::after{display:none}
.nav-cta:hover{transform:scale(1.06);box-shadow:0 6px 20px rgba(91,124,124,0.3);background:linear-gradient(135deg,var(--accent),var(--accent-2))}

/* 移动端汉堡按钮（默认隐藏，≤860px 显示） */
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--rule-soft);background:transparent;cursor:pointer;z-index:901;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;margin:0 auto;transition:transform .3s var(--ease),opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 平板/手机：导航收进下拉面板 */
@media(max-width:860px){
  .nav-inner{padding:0 20px}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(251,251,253,0.97);
    backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
    border-bottom:1px solid var(--rule-soft);
    padding:8px 20px 18px;
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;
    transition:max-height .42s var(--ease),opacity .3s;
  }
  .nav-links.open{max-height:90vh;opacity:1;pointer-events:auto}
  .nav-links a{padding:15px 2px;font-size:16px;width:100%;border-bottom:1px solid var(--rule-soft)}
  .nav-links a::after{display:none}
  .nav-links a:last-child{border-bottom:none}
  .nav-cta{width:100%;text-align:center;margin-top:10px;padding:13px 22px}
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.section{position:relative;z-index:1;padding:140px 32px}
.section-inner{max-width:var(--container);margin:0 auto}
.section-label{
  font-size:13px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;display:flex;align-items:center;gap:12px;
}
.section-label::before{content:'';width:24px;height:1px;background:var(--accent);display:inline-block}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:600;letter-spacing:-0.03em;line-height:1.15;margin-bottom:24px}
.section-sub{font-size:18px;color:var(--muted);max-width:620px;line-height:1.7;margin-bottom:64px}
@media(max-width:768px){.section{padding:90px 20px}.section-sub{margin-bottom:40px;font-size:16px}}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-l{opacity:0;transform:translateX(-60px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal-l.in{opacity:1;transform:none}
.reveal-r{opacity:0;transform:translateX(60px);transition:opacity .8s var(--ease-2),transform .8s var(--ease-2)}
.reveal-r.in{opacity:1;transform:none}
.reveal-scale{opacity:0;transform:scale(0.92);transition:opacity .8s var(--ease-3),transform .8s var(--ease-3)}
.reveal-scale.in{opacity:1;transform:none}
.reveal-blur{opacity:0;filter:blur(12px);transition:opacity 1s var(--ease),filter 1s var(--ease)}
.reveal-blur.in{opacity:1;filter:none}
.stagger > *{opacity:0;transform:translateY(30px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stagger.in > *{opacity:1;transform:none}

/* ============================================================
   HERO
   ============================================================ */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:120px 32px 80px}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 80% 60% at 50% 40%,rgba(91,124,124,0.06),transparent),radial-gradient(ellipse 60% 50% at 70% 60%,rgba(138,154,138,0.05),transparent)}
.hero-grid{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(0,0,0,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,0.015) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000,transparent);
}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:880px;margin:0 auto}
.hero-eyebrow{font-size:14px;color:var(--muted);letter-spacing:0.15em;text-transform:uppercase;margin-bottom:28px;display:flex;align-items:center;justify-content:center;gap:10px}
.hero-eyebrow .line{width:32px;height:1px;background:var(--rule)}
.hero-greeting{
  font-size:clamp(40px,8vw,80px);font-weight:600;letter-spacing:-0.04em;line-height:1.1;
  margin-bottom:20px;
  background:linear-gradient(180deg,var(--ink) 30%,var(--ink-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-role{font-size:clamp(18px,2.5vw,24px);font-weight:400;color:var(--muted);letter-spacing:-0.01em;margin-bottom:16px}
.hero-role .sep{color:var(--rule);margin:0 12px}
.hero-role .hl{color:var(--accent);font-weight:500}
.hero-subtext{font-size:clamp(16px,2vw,20px);color:var(--ink-2);line-height:1.6;max-width:560px;margin:0 auto 44px;font-weight:300}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:56px}
.hero-tag{
  padding:9px 20px;border:1px solid var(--rule);border-radius:100px;font-size:14px;color:var(--ink-2);
  background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .4s var(--ease),border-color .4s,color .4s,box-shadow .4s;
}
.hero-tag:hover{transform:translateY(-3px);border-color:var(--accent);color:var(--accent);box-shadow:0 8px 24px rgba(91,124,124,0.12)}
.hero-scroll{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted-2);font-size:13px;letter-spacing:0.08em;animation:bob 2.5s ease-in-out infinite}
.hero-scroll .arrow{width:1px;height:36px;background:linear-gradient(180deg,var(--muted-2),transparent)}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about-text p{font-size:17px;line-height:1.8;color:var(--ink-2);margin-bottom:20px}
.about-text p strong{color:var(--ink);font-weight:500}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.stat-card{
  padding:32px 28px;background:var(--bg-soft);border-radius:var(--radius);
  border:1px solid var(--rule-soft);
  transition:transform .5s var(--ease),box-shadow .5s,border-color .5s;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:var(--rule)}
.stat-num{font-size:40px;font-weight:600;color:var(--accent);letter-spacing:-0.03em;line-height:1;margin-bottom:8px}
.stat-num .unit{font-size:18px;color:var(--muted);font-weight:400;margin-left:4px}
.stat-label{font-size:14px;color:var(--muted)}
@media(max-width:768px){.about-grid{grid-template-columns:1fr;gap:40px}.about-stats{grid-template-columns:1fr 1fr}}

/* ============================================================
   WORK EXPERIENCE — ALTERNATING TIMELINE
   ============================================================ */
.timeline{position:relative;padding:20px 0}
.timeline::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,transparent,var(--rule),var(--rule),transparent);
  transform:translateX(-50%);
}
.tl-item{position:relative;margin-bottom:80px;display:flex;justify-content:flex-end}
.tl-item:nth-child(odd){justify-content:flex-end}
.tl-item:nth-child(even){justify-content:flex-start}
.tl-item:last-child{margin-bottom:0}

.tl-dot{
  position:absolute;left:50%;top:40px;transform:translateX(-50%);
  width:16px;height:16px;border-radius:50%;background:var(--bg);
  border:3px solid var(--accent);z-index:2;
  transition:transform .4s var(--ease),box-shadow .4s;
}
.tl-item:hover .tl-dot{transform:translateX(-50%) scale(1.4);box-shadow:0 0 0 8px rgba(91,124,124,0.1)}
.tl-item:nth-child(even) .tl-dot{border-color:var(--accent-2)}

.tl-card-wrap{width:calc(50% - 40px)}
.tl-item:nth-child(even) .tl-card-wrap{width:calc(50% - 40px)}

.tl-card{
  padding:36px 40px;background:var(--glass-bg);
  backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);
  border:1px solid var(--glass-bd);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:transform .5s var(--ease),box-shadow .5s,border-color .5s;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(91,124,124,0.2)}

.tl-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:12px;margin-bottom:8px}
.tl-period{font-size:14px;color:var(--accent);font-weight:500;font-variant-numeric:tabular-nums}
.tl-company{font-size:22px;font-weight:600;letter-spacing:-0.02em;margin-bottom:4px}
.tl-role{font-size:15px;color:var(--muted);margin-bottom:8px}
.tl-products{font-size:13px;color:var(--accent-3);font-weight:500;margin-bottom:24px}
.tl-bg{
  font-size:15px;color:var(--ink-2);line-height:1.75;margin-bottom:28px;
  padding:20px 24px;background:rgba(91,124,124,0.04);border-radius:var(--radius-sm);border-left:3px solid var(--accent);
}
.tl-highlights{margin-bottom:8px}
.tl-highlight{display:flex;gap:14px;padding:10px 0;border-bottom:1px solid var(--rule-soft)}
.tl-highlight:last-child{border-bottom:none}
.tl-highlight .num{
  width:28px;height:28px;flex-shrink:0;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  font-size:13px;font-weight:600;
}
.tl-highlight .txt h4{font-size:15px;font-weight:600;margin-bottom:4px}
.tl-highlight .txt p{font-size:14px;color:var(--muted);line-height:1.6}

.tl-events{margin-top:24px;padding:20px 24px;background:var(--bg-soft);border-radius:var(--radius-sm);border:1px solid var(--rule-soft)}
.tl-events-title{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:0.05em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.tl-events li{font-size:14px;line-height:1.7;color:var(--ink-2);padding:5px 0 5px 20px;position:relative}
.tl-events li::before{content:'';position:absolute;left:4px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent-3)}
.tl-events li strong{color:var(--ink);font-weight:500}

@media(max-width:768px){
  .timeline::before{left:20px}
  .tl-dot{left:20px}
  .tl-item,.tl-item:nth-child(odd),.tl-item:nth-child(even){justify-content:flex-end}
  .tl-card-wrap,.tl-item:nth-child(even) .tl-card-wrap{width:calc(100% - 50px)}
  .tl-card{padding:24px}
  .tl-head{flex-direction:column;gap:4px}
}

/* ============================================================
   PRODUCT CASES
   ============================================================ */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.product-card{
  position:relative;overflow:hidden;padding:0;
  border-radius:var(--radius-lg);border:1px solid var(--rule-soft);background:var(--bg);
  transition:transform .6s var(--ease),box-shadow .6s,border-color .6s;
}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-3);border-color:rgba(91,124,124,0.2)}

.product-top{display:flex;align-items:center;gap:16px;padding:32px 36px 0}
.product-logo{
  width:56px;height:56px;border-radius:14px;flex-shrink:0;
  background:var(--bg-soft);border:1px solid var(--rule-soft);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.product-logo img{width:100%;height:100%;object-fit:cover}
.product-logo .placeholder{
  font-size:24px;font-weight:600;color:var(--muted-2);
}
.product-name{font-size:22px;font-weight:600;letter-spacing:-0.02em;margin-bottom:4px}
.product-type{font-size:13px;color:var(--muted);letter-spacing:0.03em}

.product-body{padding:20px 36px}
.product-desc{font-size:15px;line-height:1.75;color:var(--ink-2);margin-bottom:24px}
.product-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.product-tag{font-size:12px;padding:5px 12px;border-radius:100px;background:var(--bg-soft);color:var(--muted);border:1px solid var(--rule-soft)}

.product-screenshot{
  margin:0 36px 24px;border-radius:var(--radius-sm);overflow:hidden;
  height:160px;background:var(--bg-soft);border:1px solid var(--rule-soft);
  display:flex;align-items:center;justify-content:center;
}
.product-screenshot img{width:100%;height:100%;object-fit:cover}
.product-screenshot .placeholder{font-size:14px;color:var(--muted-2)}

.product-footer{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 36px;border-top:1px solid var(--rule-soft);
}
.product-metrics{display:flex;gap:24px;flex-wrap:wrap}
.product-metric .v{font-size:22px;font-weight:600;color:var(--accent);letter-spacing:-0.02em}
.product-metric .l{font-size:12px;color:var(--muted)}
.product-link{
  font-size:14px;font-weight:500;color:var(--accent);
  display:flex;align-items:center;gap:6px;
  transition:gap .3s,color .3s;
}
.product-link:hover{gap:10px;color:var(--ink)}
.product-link.hidden{display:none}

@media(max-width:768px){.product-grid{grid-template-columns:1fr}.product-top,.product-body,.product-footer{padding-left:24px;padding-right:24px}.product-screenshot{margin:0 24px 24px}}

/* ---- Project experience ---- */
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
.proj-card{padding:36px;border-radius:var(--radius-lg);border:1px solid var(--rule-soft);background:var(--bg);transition:transform .5s var(--ease),box-shadow .5s,border-color .5s}
.proj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--rule)}
.proj-period{font-size:14px;color:var(--accent);font-weight:500;margin-bottom:12px}
.proj-title{font-size:20px;font-weight:600;letter-spacing:-0.02em;margin-bottom:6px}
.proj-role{font-size:15px;color:var(--muted);margin-bottom:8px}
.proj-tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:100px;background:rgba(91,124,124,0.08);color:var(--accent);margin-bottom:20px}
.proj-desc{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px}
.proj-result{font-size:14px;color:var(--ink-2);line-height:1.7}
.proj-result strong{color:var(--ink);font-weight:500}
@media(max-width:768px){.proj-grid{grid-template-columns:1fr}}

/* ============================================================
   VIBECODING SHOWCASE
   ============================================================ */
.vibe-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.vibe-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--rule-soft);background:var(--bg);
  transition:transform .6s var(--ease),box-shadow .6s,border-color .6s;
}
.vibe-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-3);border-color:rgba(91,124,124,0.25)}

.vibe-thumb{
  position:relative;height:200px;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-soft),var(--bg));
}
.vibe-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.vibe-card:hover .vibe-thumb img{transform:scale(1.08)}
.vibe-thumb .placeholder{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:48px;color:var(--rule);font-weight:300;
}
.vibe-overlay{
  position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,0.6));
  opacity:0;transition:opacity .4s;display:flex;align-items:flex-end;justify-content:center;padding:20px;
}
.vibe-card:hover .vibe-overlay{opacity:1}
.vibe-overlay-btns{display:flex;gap:12px;transform:translateY(20px);transition:transform .4s var(--ease)}
.vibe-card:hover .vibe-overlay-btns{transform:translateY(0)}
.vibe-btn{
  padding:10px 20px;border-radius:100px;font-size:13px;font-weight:500;
  display:flex;align-items:center;gap:6px;transition:transform .3s;
}
.vibe-btn-demo{background:#fff;color:var(--ink)}
.vibe-btn-demo:hover{transform:scale(1.05)}
.vibe-btn-tutorial{background:rgba(255,255,255,0.2);color:#fff;border:1px solid rgba(255,255,255,0.4)}
.vibe-btn-tutorial:hover{background:rgba(255,255,255,0.3);transform:scale(1.05)}
.vibe-btn.hidden{display:none}

.vibe-body{padding:24px 28px}
.vibe-name{font-size:18px;font-weight:600;letter-spacing:-0.02em;margin-bottom:8px}
.vibe-desc{font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:16px}
.vibe-tech{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.vibe-tech-tag{font-size:11px;padding:4px 10px;border-radius:6px;background:var(--bg-soft);color:var(--muted-2);border:1px solid var(--rule-soft)}
.vibe-tags{display:flex;gap:8px}
.vibe-tag{font-size:12px;padding:4px 10px;border-radius:100px;background:rgba(91,124,124,0.06);color:var(--accent)}

.vibe-footer{display:flex;gap:8px;padding:16px 28px;border-top:1px solid var(--rule-soft)}
.vibe-footer-btn{
  flex:1;padding:10px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;
  display:flex;align-items:center;justify-content:center;gap:6px;
  transition:background .3s,color .3s,transform .3s;
}
.vibe-footer-btn:hover{transform:translateY(-2px)}
.vibe-footer-demo{background:var(--ink);color:#fff}
.vibe-footer-demo:hover{background:var(--accent)}
.vibe-footer-tutorial{background:var(--bg-soft);color:var(--ink-2);border:1px solid var(--rule)}
.vibe-footer-tutorial:hover{background:var(--rule-soft)}
.vibe-footer-btn.hidden{display:none}

@media(max-width:768px){.vibe-grid{grid-template-columns:1fr}}

/* ============================================================
   SOCIAL MEDIA MATRIX
   ============================================================ */
.social-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.social-card{
  position:relative;padding:32px 28px;border-radius:var(--radius);
  border:1px solid var(--rule-soft);background:var(--glass-bg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .5s var(--ease),box-shadow .5s,border-color .5s;overflow:hidden;
  display:flex;flex-direction:column;
}
.social-card::after{
  content:'';position:absolute;top:0;right:0;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,var(--sc-color,var(--accent)),transparent 70%);
  opacity:0;transform:translate(30%,-30%);transition:opacity .6s,transform .6s;
}
.social-card:hover{transform:translateY(-6px) scale(1.01);box-shadow:var(--shadow-2);border-color:var(--sc-color,var(--accent))}
.social-card:hover::after{opacity:0.12;transform:translate(20%,-20%) scale(1.3)}
.social-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.social-logo{
  width:48px;height:48px;border-radius:12px;flex-shrink:0;
  background:var(--sc-color,var(--accent));
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.social-logo img{width:100%;height:100%;object-fit:cover}
.social-logo .placeholder{font-size:20px;font-weight:700;color:#fff}
.social-name{font-size:17px;font-weight:600}
.social-type{font-size:13px;color:var(--muted)}
.social-desc{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:18px}
.social-data{display:flex;gap:20px}
.social-data .item .v{font-size:20px;font-weight:600;color:var(--ink);letter-spacing:-0.02em}
.social-data .item .l{font-size:12px;color:var(--muted)}
/* 社媒卡片底部双按钮：个人号 / 官方号 */
.social-actions{display:flex;gap:10px;margin-top:auto;padding-top:20px}
.social-btn{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 10px;border-radius:11px;font-size:13.5px;font-weight:600;
  text-decoration:none;cursor:pointer;letter-spacing:.01em;
  border:1.5px solid var(--sc-color,var(--accent));
  color:var(--sc-color,var(--accent));
  background:color-mix(in srgb,var(--sc-color,var(--accent)) 8%,transparent);
  transition:transform .25s var(--ease),background .3s,color .3s,box-shadow .3s;
}
.social-btn .ic{font-size:15px;line-height:1}
.social-btn:hover{
  background:var(--sc-color,var(--accent));color:#fff;
  transform:translateY(-2px);box-shadow:0 8px 20px color-mix(in srgb,var(--sc-color,var(--accent)) 38%,transparent);
}
/* 个人号：描边略柔和；官方号：更实一点，强化区分 */
.social-btn--personal{opacity:.92}
.social-btn--official{border-style:solid}

/* Featured video cards inside social section */
.social-videos{margin-top:48px}
.social-videos-title{font-size:16px;font-weight:600;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.social-videos-title::before{content:'';width:20px;height:2px;background:var(--accent);border-radius:2px}
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.video-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--rule-soft);background:var(--bg);
  transition:transform .5s var(--ease),box-shadow .5s,border-color .5s;
  cursor:pointer;
}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:var(--sc-color,var(--accent))}
.video-thumb{
  position:relative;aspect-ratio:4 / 3;overflow:hidden;background:var(--bg-soft);
}
.video-thumb img{width:100%;height:100%;object-fit:contain;transition:transform .5s var(--ease)}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.video-thumb .placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:36px;color:var(--rule)}
.video-platform{
  position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:100px;
  font-size:11px;font-weight:600;color:#fff;background:var(--sc-color,var(--accent));
}
.video-play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .4s;
}
.video-card:hover .video-play{opacity:1}
.video-play-icon{
  width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,0.9);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);
  box-shadow:0 4px 20px rgba(0,0,0,0.2);transform:scale(0.8);transition:transform .4s var(--ease-3);
}
.video-card:hover .video-play-icon{transform:scale(1)}
.video-info{padding:16px 20px}
.video-title{font-size:15px;font-weight:600;margin-bottom:8px;line-height:1.4}
.video-stats{display:flex;gap:16px}
.video-stats .stat{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--muted)}
.video-stats .stat .icon{font-size:14px}
.video-card.no-url{cursor:default}

@media(max-width:768px){.social-grid{grid-template-columns:1fr}.video-grid{grid-template-columns:1fr}}

/* ============================================================
   PERFORMANCE DATA — Professional Charts
   ============================================================ */
.perf-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px}
.perf-card{
  padding:36px 28px;border-radius:var(--radius);background:var(--bg-soft);
  border:1px solid var(--rule-soft);text-align:center;
  transition:transform .5s var(--ease),box-shadow .5s;position:relative;overflow:hidden;
}
.perf-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.perf-card .big{font-size:clamp(32px,5vw,52px);font-weight:600;color:var(--accent);letter-spacing:-0.03em;line-height:1;margin-bottom:10px}
.perf-card .big .unit{font-size:0.4em;color:var(--muted);font-weight:400;margin-left:2px}
.perf-card .label{font-size:14px;color:var(--muted)}
.perf-card .sub{font-size:12px;color:var(--muted-2);margin-top:8px}

.perf-charts{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px;min-width:0}
.perf-chart-box{
  padding:32px;border-radius:var(--radius-lg);min-width:0;
  background:var(--glass-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-bd);
}
.perf-chart-title{font-size:16px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}
.perf-chart-sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.perf-chart-container{width:100%;height:320px;min-width:0;overflow:hidden}
.perf-chart-full{grid-column:1/-1}

@media(max-width:768px){.perf-overview{grid-template-columns:repeat(2,1fr)}.perf-charts{grid-template-columns:1fr}.perf-chart-container{height:260px}}

/* ============================================================
   HONORS
   ============================================================ */
.honor-list{display:grid;gap:16px}
.honor-item{
  display:flex;align-items:flex-start;gap:20px;padding:24px 28px;
  border-radius:var(--radius);border:1px solid var(--rule-soft);background:var(--bg);
  transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
}
.honor-item:hover{transform:translateX(8px);box-shadow:var(--shadow-1);border-color:var(--rule)}
.honor-badge{width:40px;height:40px;flex-shrink:0;border-radius:10px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:18px;font-weight:600}
.honor-content h4{font-size:16px;font-weight:600;margin-bottom:4px}
.honor-content p{font-size:14px;color:var(--muted);line-height:1.6}

/* ============================================================
   EDUCATION
   ============================================================ */
.edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.edu-card{padding:36px;border-radius:var(--radius-lg);border:1px solid var(--rule-soft);background:var(--bg);transition:transform .5s var(--ease),box-shadow .5s,border-color .5s}
.edu-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--rule)}
.edu-period{font-size:14px;color:var(--accent);font-weight:500;margin-bottom:12px}
.edu-school{font-size:22px;font-weight:600;letter-spacing:-0.02em;margin-bottom:6px}
.edu-degree{font-size:15px;color:var(--muted);margin-bottom:8px}
.edu-tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:100px;background:rgba(91,124,124,0.08);color:var(--accent);margin-bottom:20px}
.edu-courses{font-size:13px;color:var(--muted-2);line-height:1.8}
.edu-courses strong{color:var(--muted);font-weight:500;display:block;margin-bottom:6px}
@media(max-width:768px){.edu-grid{grid-template-columns:1fr}}

/* ============================================================
   SKILLS
   ============================================================ */
.skill-groups{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.skill-group h3{font-size:16px;font-weight:600;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.skill-group h3 .num{font-size:13px;color:var(--accent);font-weight:400}
.skill-tags{display:flex;flex-wrap:wrap;gap:10px}
.skill-tag{
  padding:10px 18px;border-radius:100px;border:1px solid var(--rule);
  font-size:14px;color:var(--ink-2);background:var(--bg);
  transition:all .35s var(--ease);position:relative;
}
.skill-tag:hover{transform:translateY(-3px) scale(1.03);border-color:var(--accent);color:var(--accent);background:rgba(91,124,124,0.04);box-shadow:0 6px 18px rgba(91,124,124,0.1)}
@media(max-width:768px){.skill-groups{grid-template-columns:1fr;gap:30px}}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{position:relative;z-index:1;padding:80px 32px 48px;background:var(--bg-dark);color:rgba(255,255,255,0.6)}
.footer-inner{max-width:var(--container);margin:0 auto}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:40px;margin-bottom:60px}
.footer-brand h3{font-size:28px;font-weight:600;color:#fff;margin-bottom:8px;letter-spacing:-0.02em}
.footer-brand p{font-size:15px;color:rgba(255,255,255,0.5)}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact a{font-size:15px;color:rgba(255,255,255,0.7);transition:color .3s,padding-left .3s;display:flex;align-items:center;gap:10px}
.footer-contact a:hover{color:#fff;padding-left:6px}
.footer-contact .ic{font-size:16px;opacity:0.6}
.footer-bottom{padding-top:32px;border-top:1px solid rgba(255,255,255,0.1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,0.35)}
@media(max-width:768px){.footer-top{flex-direction:column}.footer{padding:60px 20px 36px}}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.to-top{
  position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:center;
  font-size:18px;z-index:800;opacity:0;pointer-events:none;transform:translateY(20px);
  transition:opacity .4s,transform .4s var(--ease),background .3s;box-shadow:var(--shadow-2);
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--accent);transform:translateY(-3px)}
@media(max-width:768px){.to-top{bottom:20px;right:20px;width:40px;height:40px}}

/* ============================================================
   VISUAL WORKS — 翅膀展开作品墙
   ============================================================ */
.gallery-stage{
  position:relative;
  height:460px;
  margin-top:24px;
  display:flex;align-items:center;justify-content:center;
  perspective:1500px;
}
.poster-card{
  position:absolute;left:50%;top:50%;
  width:240px;height:320px;
  transform-origin:center center;
  border-radius:16px;overflow:hidden;
  background:var(--bg-soft);
  box-shadow:var(--shadow-2);
  cursor:pointer;
  will-change:transform,opacity;
  transition:transform .7s var(--ease),opacity .5s,filter .5s,box-shadow .5s,border-color .4s;
}
/* 统一卡片框 + contain：不同比例图片不裁切，比例不符时自然留白 */
.poster-card img{
  width:100%;height:100%;display:block;
  object-fit:contain;background:var(--bg-soft);
  -webkit-user-drag:none;user-select:none;pointer-events:none;
}
.poster-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:20px 16px 14px;
  background:linear-gradient(180deg,transparent,rgba(20,20,22,.72));
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.01em;text-align:center;
  opacity:0;transform:translateY(10px);transition:opacity .4s,transform .4s;
}
.poster-cap small{display:block;font-weight:400;font-size:11px;opacity:.82;margin-top:3px}
.poster-card.is-hover .poster-cap{opacity:1;transform:none}
/* 悬停时其余卡片轻微后退，不糊掉 */
.gallery-stage.has-hover .poster-card:not(.is-hover){opacity:.45;filter:saturate(.7)}
/* 悬停：把当前图拉到最前、摆正并放大 */
.poster-card.is-hover{
  transform:translate(-50%,-50%) translateY(-38px) rotate(0deg) scale(1.5)!important;
  z-index:999!important;
  box-shadow:0 30px 70px rgba(0,0,0,.55);
}
/* 中心留空锚点 */
.gallery-anchor{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  text-align:center;pointer-events:none;z-index:1;
  opacity:0;transition:opacity .6s var(--ease);
}
.gallery-anchor .ring{
  width:88px;height:88px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  font-size:24px;color:var(--accent);
  box-shadow:inset 0 0 30px rgba(255,255,255,.05);
}
.gallery-anchor .t1{font-size:11px;letter-spacing:.32em;color:rgba(255,255,255,.5);text-transform:uppercase}
.gallery-anchor .t2{font-size:21px;font-weight:700;color:#fff;margin-top:6px;letter-spacing:.04em}
.gallery-hint{margin-top:8px;text-align:center;font-size:14px;color:var(--muted)}

/* ---- Lightbox 灯箱 ---- */
.lightbox{
  position:fixed;inset:0;z-index:2000;
  background:rgba(18,18,20,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  padding:48px 24px;opacity:0;pointer-events:none;transition:opacity .4s var(--ease);
}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox-img{
  max-width:90vw;max-height:78vh;width:auto;height:auto;
  object-fit:contain;border-radius:12px;
  box-shadow:0 30px 90px rgba(0,0,0,.55);
  transform:scale(.94);transition:transform .45s var(--ease);
}
.lightbox.open .lightbox-img{transform:scale(1)}
.lightbox-cap{color:rgba(255,255,255,.82);font-size:14px;font-weight:500;letter-spacing:.02em;text-align:center}
.lightbox-close{
  position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;font-size:28px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:background .3s,transform .3s;
}
.lightbox-close:hover{background:rgba(255,255,255,.22);transform:rotate(90deg)}
.lightbox-fs{
  position:absolute;top:22px;left:26px;padding:10px 18px;border-radius:100px;
  background:rgba(255,255,255,.1);color:#fff;font-size:13px;font-weight:600;
  display:flex;align-items:center;gap:6px;transition:background .3s,transform .3s;
}
.lightbox-fs:hover{background:var(--accent);transform:scale(1.05)}

/* ---- 灯箱左右切换 ---- */
.lightbox-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:54px;height:54px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;font-size:34px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .3s,transform .3s,opacity .3s;
  opacity:.85;
}
.lightbox-arrow:hover{background:rgba(255,255,255,.24);opacity:1;transform:translateY(-50%) scale(1.1)}
.lightbox-prev{left:24px}
.lightbox-next{right:24px}
.lightbox-count{
  position:absolute;bottom:22px;left:50%;transform:translateX(-50%);
  padding:6px 16px;border-radius:100px;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.75);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}

@media(max-width:768px){
  /* 移动端：翅膀布局改为横向滑动画廊，避免绝对定位溢出 */
  .gallery-stage{
    height:auto;min-height:248px;
    display:flex;flex-wrap:nowrap;gap:14px;
    align-items:center;justify-content:flex-start;
    overflow-x:auto;overflow-y:hidden;
    perspective:none;margin-top:16px;padding:6px 2px 14px;
    -webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;
  }
  .gallery-stage::-webkit-scrollbar{height:5px}
  .gallery-stage::-webkit-scrollbar-thumb{background:var(--rule);border-radius:3px}
  .poster-card{
    position:relative!important;left:auto!important;top:auto!important;
    width:150px!important;height:200px!important;
    flex:0 0 auto;transform:none!important;opacity:1!important;
    scroll-snap-align:center;box-shadow:var(--shadow-1);
  }
  .poster-card.is-hover{transform:none!important;z-index:auto!important;box-shadow:var(--shadow-1)}
  .poster-card img{object-fit:cover}
  .poster-card .poster-cap{opacity:1!important;transform:none!important;padding:8px 10px;font-size:11px}
  .poster-card .poster-cap small{display:none}
  .gallery-anchor{display:none}
  .lightbox-prev{left:10px}
  .lightbox-next{right:10px}
  .lightbox-arrow{width:46px;height:46px;font-size:30px}
}

/* ============================================================
   移动端通用细化（≤768px）
   ============================================================ */
@media(max-width:768px){
  .hero{padding:104px 20px 56px;min-height:auto}
  .hero-tags{margin-bottom:40px}
  .hero-scroll{display:none}
  .section{padding:76px 18px}
  .section-title{margin-bottom:18px}
  .section-sub{font-size:15px;margin-bottom:36px;line-height:1.65}
  .about-text p{font-size:16px}
  .tl-card{padding:22px 18px}
  .tl-products{margin-bottom:18px}
  .product-top,.product-body,.product-footer{padding-left:20px;padding-right:20px}
  .product-screenshot{margin:0 20px 20px;height:140px}
  .proj-card{padding:26px 20px}
  .vibe-card{border-radius:var(--radius)}
  .vibe-thumb{height:170px}
  .social-card{padding:26px 22px}
  .social-desc{font-size:13.5px}
  .social-btn{font-size:13px;padding:12px 8px}
  .perf-chart-box{padding:22px 18px}
  .perf-chart-sub{margin-bottom:16px}
  .honor-item{padding:20px 22px;gap:16px}
  .edu-card{padding:28px 22px}
  .skill-tag{padding:9px 15px;font-size:13px}
  .footer{padding:56px 20px 36px}
  .footer-brand h3{font-size:24px}
  .gallery-hint{font-size:13px;margin-top:4px}
}

/* ============================================================
   RESPONSIVE ENHANCEMENTS — 全面移动端/平板适配（补充完善）
   断点由大到小：1024px(平板) → 768px(已有) → 480px(小屏手机)
   ============================================================ */

/* ---- 全局防横向溢出双保险（iOS Safari 需要 html 也加） ---- */
html,body{overflow-x:hidden}

/* ---- 页脚联系方式长文本防溢出 ---- */
.footer-contact a{min-width:0;word-break:break-all}

/* ---- 平板（769-1024px）---- */
@media(min-width:769px) and (max-width:1024px){
  .section{padding:110px 28px}
  .nav-inner{padding:0 24px}
  .hero{padding:110px 28px 70px}
  .perf-chart-container{height:300px}
}

/* ---- 小屏手机（≤480px）---- */
@media(max-width:480px){
  .section{padding:64px 16px}
  .section-inner{min-width:0}
  .section-title{font-size:26px;margin-bottom:16px}
  .section-label{font-size:12px}
  .section-sub{font-size:14.5px;line-height:1.6;margin-bottom:30px}

  /* Hero */
  .hero{padding:96px 16px 48px}
  .hero-eyebrow{font-size:11px;letter-spacing:.08em;gap:8px;flex-wrap:wrap}
  .hero-eyebrow .line{width:18px}
  .hero-greeting{font-size:clamp(32px,9.5vw,64px);margin-bottom:16px}
  .hero-role{font-size:clamp(15px,4.2vw,19px)}
  .hero-role .sep{margin:0 8px}
  .hero-subtext{font-size:15px;margin-bottom:32px}
  .hero-tag{padding:8px 16px;font-size:13px}

  /* About */
  .about-grid{gap:32px}
  .about-stats{grid-template-columns:1fr;gap:14px}
  .stat-card{padding:24px 22px}
  .stat-num{font-size:34px}

  /* 时间轴 */
  .timeline::before{left:16px}
  .tl-dot{left:16px;width:14px;height:14px;top:34px}
  .tl-card-wrap,.tl-item:nth-child(even) .tl-card-wrap{width:calc(100% - 42px)}
  .tl-bg{padding:16px 18px;font-size:14px}
  .tl-events{padding:16px 18px}
  .tl-highlight{gap:12px}

  /* 产品 / 项目 */
  .product-top,.product-body,.product-footer{padding-left:18px;padding-right:18px}
  .product-screenshot{margin:0 18px 18px;height:130px}
  .product-footer{flex-direction:column;align-items:flex-start;gap:16px}
  .product-metrics{gap:18px}
  .product-link{align-self:flex-end}
  .proj-card{padding:24px 18px}

  /* 社媒 */
  .social-card{padding:24px 20px}
  .social-data{gap:14px}
  .social-data .item .v{font-size:18px}
  .social-videos-title{font-size:15px}

  /* 业绩 */
  .perf-overview{grid-template-columns:1fr;gap:14px;margin-bottom:36px}
  .perf-card{padding:28px 22px}
  .perf-card .big{font-size:38px}
  .perf-charts{gap:18px}
  .perf-chart-box{padding:20px 16px}
  .perf-chart-container{height:240px}

  /* 荣誉 / 教育 / 技能 */
  .honor-item{gap:14px;padding:18px 18px}
  .honor-badge{width:36px;height:36px;font-size:15px}
  .edu-card{padding:24px 18px}
  .skill-groups{gap:26px}
  .skill-tag{padding:8px 14px;font-size:12.5px}

  /* 页脚 */
  .footer{padding:48px 16px 30px}
  .footer-top{gap:28px;margin-bottom:40px}
  .footer-brand h3{font-size:22px}
  .footer-contact a{font-size:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}

  /* 画廊 */
  .gallery-hint{font-size:12px}

  /* 返回顶部：避让刘海屏安全区 */
  .to-top{bottom:calc(14px + env(safe-area-inset-bottom));right:16px}

  /* 灯箱：小屏收紧 */
  .lightbox{padding:36px 14px 28px}
  .lightbox-close{top:14px;right:14px;width:40px;height:40px;font-size:24px}
  .lightbox-fs{top:14px;left:14px;padding:8px 14px;font-size:12px}
  .lightbox-arrow{width:40px;height:40px;font-size:26px}
  .lightbox-prev{left:6px}
  .lightbox-next{right:6px}
  .lightbox-count{bottom:calc(14px + env(safe-area-inset-bottom))}
}

/* ---- 触摸设备：无 hover 的交互补偿 ---- */
@media(hover:none),(pointer:coarse){
  /* 视频播放按钮常显（触摸没有 hover） */
  .video-card .video-play{opacity:1}
  .video-play-icon{transform:scale(1)}
  /* 画廊：触摸时禁用"其余卡片虚化"的高亮态 */
  .gallery-stage.has-hover .poster-card:not(.is-hover){opacity:1;filter:none}
  .poster-card.is-hover{transform:none!important;z-index:auto!important;box-shadow:var(--shadow-2)}
  /* VibeCoding 封面悬浮层无意义，隐藏避免误触 */
  .vibe-overlay{display:none}
}

/* ---- 移动端画廊：图片保持 contain 不裁切（与桌面一致） ---- */
@media(max-width:768px){
  .poster-card img{object-fit:contain}
}

/* ============================================================
   MEDIA MODULES — 精选高播放视频 / 精选高阅读文章（按平台 Tab 分类）
   ============================================================ */
.media-module{margin-top:56px}
.media-module-head{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;margin-bottom:24px;
}
.media-module-title{
  font-size:18px;font-weight:600;letter-spacing:-0.01em;
  display:flex;align-items:center;gap:10px;
}
.media-module-title::before{content:'';width:20px;height:2px;background:var(--accent);border-radius:2px}

.media-tabs{display:flex;flex-wrap:wrap;gap:10px}
.media-tab{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:100px;
  border:1px solid var(--rule-soft);background:var(--bg);
  font-size:13px;font-weight:500;color:var(--muted);
  transition:all .3s var(--ease);cursor:pointer;
}
.media-tab em{
  font-style:normal;font-size:11px;line-height:1;
  padding:3px 7px;border-radius:100px;background:var(--bg-soft);color:var(--muted-2);
  transition:all .3s var(--ease);
}
.media-tab:hover{border-color:var(--t-color);color:var(--t-color)}
.media-tab:hover em{background:color-mix(in srgb,var(--t-color) 12%,transparent);color:var(--t-color)}
.media-tab.active{background:var(--t-color);border-color:var(--t-color);color:#fff}
.media-tab.active em{background:rgba(255,255,255,.28);color:#fff}

/* 视频网格：统一 4:3 封面，网格自适应 */
.video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.video-card{display:block}
/* 无封面图时：平台色渐变占位 */
.video-thumb-ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:42px;color:rgba(255,255,255,.92);
  text-shadow:0 2px 12px rgba(0,0,0,.25);
  background:linear-gradient(135deg,
    color-mix(in srgb,var(--sc-color) 42%,#1d1d1f),
    color-mix(in srgb,var(--sc-color) 14%,#2c2c30));
}

/* ---- 精选高阅读文章列表 ---- */
.article-list{display:flex;flex-direction:column;gap:14px;margin-top:4px}
.article-card{
  display:flex;align-items:center;gap:20px;
  padding:20px 24px;border-radius:var(--radius);
  border:1px solid var(--rule-soft);background:var(--bg);
  transition:transform .45s var(--ease),box-shadow .45s,border-color .45s;
}
.article-card:hover{transform:translateX(8px);box-shadow:var(--shadow-2);border-color:var(--t-color)}
.article-idx{
  width:38px;flex-shrink:0;text-align:center;
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--t-color);opacity:.9;
}
.article-main{flex:1;min-width:0}
.article-title{
  font-size:16px;font-weight:600;line-height:1.55;letter-spacing:-0.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-tag{
  display:inline-block;margin-top:8px;font-size:11px;
  padding:3px 10px;border-radius:100px;
  background:color-mix(in srgb,var(--t-color) 10%,transparent);
  color:var(--t-color);
}
.article-stats{display:flex;gap:24px;flex-shrink:0;padding-left:8px;border-left:1px solid var(--rule-soft)}
.astat{display:flex;flex-direction:column;align-items:flex-end;min-width:64px}
.astat b{font-size:17px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.astat i{font-style:normal;font-size:11px;color:var(--muted);margin-top:2px}
.article-arrow{
  font-size:18px;color:var(--muted-2);flex-shrink:0;
  transition:transform .3s,color .3s;
}
.article-card:hover .article-arrow{transform:translateX(5px);color:var(--t-color)}

/* ---- 媒体模块移动端适配 ---- */
@media(max-width:768px){
  .media-module{margin-top:44px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
}
@media(max-width:480px){
  .media-module{margin-top:36px}
  .media-module-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:18px}
  .media-tabs{
    flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;
    margin-right:-16px;padding-right:16px;width:calc(100% + 16px);
  }
  .media-tabs::-webkit-scrollbar{display:none}
  .media-tab{flex-shrink:0;padding:7px 13px;font-size:12.5px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .video-thumb-ph{font-size:30px}
  .article-card{gap:12px;padding:15px 14px;border-radius:var(--radius-sm)}
  .article-idx{width:26px;font-size:13px}
  .article-title{font-size:14px}
  .article-tag{margin-top:6px;font-size:10px;padding:2px 8px}
  .article-stats{gap:14px;min-width:0;padding-left:6px}
  .astat{min-width:48px}
  .astat b{font-size:14.5px}
  .astat i{font-size:10px}
  .article-arrow{display:none}
}

/* ---- 已下架徽章（小红书等平台被屏蔽的视频） ---- */
.video-badge-blocked{
  position:absolute;top:12px;right:12px;z-index:2;
  padding:4px 10px;border-radius:100px;
  background:rgba(220,38,38,.94);color:#fff;
  font-size:10.5px;font-weight:600;letter-spacing:.03em;
  box-shadow:0 2px 10px rgba(0,0,0,.28);
}
.video-card.js-shot{cursor:pointer}
.video-card.js-shot .video-play{opacity:1}
.video-card.js-shot:hover .video-play-icon{transform:scale(1.08)}
.video-card.js-shot:hover .video-thumb{outline:2px solid color-mix(in srgb,var(--sc-color) 55%,transparent);outline-offset:-2px}

/* ---- 作品数据截图弹窗（已下架视频的数据存档展示） ---- */
.shot-modal{
  position:fixed;inset:0;z-index:2100;
  background:rgba(18,18,20,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;padding:40px 20px;
  opacity:0;pointer-events:none;transition:opacity .35s var(--ease);
}
.shot-modal.open{opacity:1;pointer-events:auto}
.shot-modal-card{
  position:relative;
  width:min(560px,94vw);max-height:88vh;overflow:auto;
  background:var(--bg);border-radius:20px;box-shadow:var(--shadow-3);
  transform:translateY(24px) scale(.97);transition:transform .4s var(--ease);
}
.shot-modal.open .shot-modal-card{transform:none}
.shot-modal-close{
  position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;font-size:22px;line-height:1;z-index:3;
  display:flex;align-items:center;justify-content:center;
  transition:background .3s,transform .3s;
}
.shot-modal-close:hover{background:rgba(0,0,0,.8);transform:rotate(90deg)}
.shot-modal-imgwrap{
  position:relative;background:#1d1d1f;min-height:220px;
  display:flex;align-items:center;justify-content:center;
}
.shot-modal-img{width:100%;max-height:52vh;object-fit:contain;display:block}
.shot-modal-ph{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:rgba(255,255,255,.5);font-size:40px;gap:10px;text-align:center;
}
.shot-modal-ph small{font-size:13px;font-weight:400;letter-spacing:.05em}
.shot-modal-info{padding:22px 26px 26px}
.shot-modal-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:14px}
.shot-modal-stats{display:flex;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.sm-stat{
  display:flex;align-items:baseline;gap:6px;
  padding:8px 16px;border-radius:12px;
  background:color-mix(in srgb,var(--smc) 10%,transparent);
  color:var(--muted);font-size:12px;
}
.sm-stat b{font-size:18px;font-weight:600;color:var(--smc);font-variant-numeric:tabular-nums}
.shot-modal-note{font-size:12.5px;color:var(--muted-2);line-height:1.7;padding-top:14px;border-top:1px dashed var(--rule)}
@media(max-width:480px){
  .shot-modal-card{max-height:92vh}
  .shot-modal-img{max-height:44vh}
  .shot-modal-info{padding:18px 18px 22px}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}
  .reveal,.reveal-l,.reveal-r,.reveal-scale,.reveal-blur,.stagger > *{opacity:1!important;transform:none!important;filter:none!important}
}