@charset "UTF-8";
/* Hanzo 风格视觉体系：浅暖灰底 + 超大黑体标题 + 深色圆角作品墙 */
:root{
  --bg:#eeeeea;
  --card:#f7f7f3;
  --ink:#111110;
  --muted:#6f6f68;
  --line:#dcdcd3;
  --dark:#171716;
  --lime:#d6ff62;
  --purple:#ddd1fb;
  --pink:#f5cbdd;
  --blue:#c4e0f4;
  --green:#22c55e;
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:35px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit}
a,button,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #2769cb;outline-offset:5px}
p,h1,h2,h3{margin:0}
p{color:var(--muted)}
img{max-width:100%}
.wrap{max-width:1280px;width:calc(100% - 112px);margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:99}
.skip:focus{left:0}

/* ---------- 导航 ---------- */
.nav{display:flex;align-items:center;justify-content:space-between;padding-block:22px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;line-height:1.3;letter-spacing:-.01em}
.brand-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--ink);color:var(--lime);font:800 28px/1 Arial;transition:transform .3s}
.brand:hover .brand-mark{transform:rotate(-8deg)}
.brand small{display:block;font:10px/2 Arial;letter-spacing:1.5px;margin-top:3px;color:var(--muted)}
.nav nav{display:flex;gap:34px;font-size:15px}
.nav nav a{position:relative;padding:4px 0}
.nav nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--ink);border-radius:2px;transition:width .25s}
.nav nav a:hover::after{width:100%}
.nav-contact{font-size:14px;background:var(--ink);color:#fff;border-radius:99px;padding:11px 20px;transition:transform .2s,background .2s}
.nav-contact:hover{transform:translateY(-2px);background:#2a2a27}

/* ---------- Hero ---------- */
.hero{padding-top:64px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:9px 18px;font-size:13.5px;box-shadow:0 2px 10px #1a1a1808}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 #22c55e55}50%{box-shadow:0 0 0 6px #22c55e00}}
.hero h1{font-size:clamp(3rem,7.2vw,6.6rem);line-height:1.12;letter-spacing:-.045em;font-weight:800;margin:30px 0 36px}
.h1-gray{color:#b6b6ad}
.h1-dot{color:var(--green)}
.hl-img{display:inline-block;height:.86em;width:1.45em;object-fit:cover;object-position:top;border-radius:.22em;vertical-align:-.1em;margin:0 .04em;box-shadow:0 8px 22px #1a1a1826;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.hl-img:hover{transform:scale(1.35) rotate(-2deg)}
.hl-wide{width:2.1em;object-position:center}
.hero-bottom{display:flex;flex-direction:column;align-items:center;gap:28px}
.hero-bottom p{font-size:17.5px;line-height:1.9}
.hero-cta{display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap}
.button{border-radius:99px;padding:17px 28px;display:inline-flex;gap:40px;align-items:center;font-size:16px;white-space:nowrap;transition:transform .25s,box-shadow .25s;border:0;cursor:pointer}
.button:hover{transform:translateY(-3px)}
.button.dark{background:var(--ink);color:#fff;box-shadow:0 14px 30px #11111026}
.button.dark:hover{box-shadow:0 20px 40px #11111033}
.button.dark span{transition:transform .25s}
.button.dark:hover span{transform:translateX(5px)}
.button.light{background:#fff;color:var(--ink)}
.hero-stack{display:flex;align-items:center;gap:14px}
.stack-imgs{display:flex}
.stack-imgs img{width:46px;height:46px;border-radius:50%;object-fit:cover;object-position:top;border:3px solid var(--bg);box-shadow:0 4px 12px #1a1a181f}
.stack-imgs img+img{margin-left:-14px}
.stack-text{font-size:13px;line-height:1.5;color:var(--muted)}
.hero-tags{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:44px}
.tag{border-radius:99px;font-size:15px;padding:9px 20px;font-weight:550;transition:transform .25s}
.tag:hover{transform:translateY(-3px) rotate(0)!important}
.tag.lime{background:var(--lime)}
.tag.purple{background:var(--purple)}
.tag.pink{background:var(--pink)}
.tag.blue{background:var(--blue)}
.tag.outline{border:1.5px solid var(--ink)}
.tag:nth-child(2){transform:rotate(-2.5deg)}
.tag:nth-child(3){transform:rotate(2deg)}
.hero-rule{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:40px;padding-top:16px;font-size:12.5px;letter-spacing:1.2px;color:var(--muted);text-transform:uppercase}

/* ---------- 作品墙（自动滚动瀑布流） ---------- */
.work-wall{position:relative;margin-top:72px;background:var(--dark);border-radius:32px;height:640px;overflow:hidden;box-shadow:0 30px 80px #11111026}
.wall-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;height:100%;padding:22px}
.wall-col{overflow:hidden}
.wall-track{display:flex;flex-direction:column;gap:18px;animation:wallUp 46s linear infinite}
.wall-col:nth-child(2) .wall-track{animation-direction:reverse;animation-duration:54s}
.wall-col:nth-child(3) .wall-track{animation-duration:60s}
.wall-track img{width:100%;border-radius:16px;display:block;filter:brightness(.62) saturate(.92);transition:filter .4s}
.work-wall:hover .wall-track{animation-play-state:paused}
.work-wall:hover .wall-track img{filter:brightness(.8) saturate(1)}
@keyframes wallUp{to{transform:translateY(-50%)}}
.work-wall::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 30%,#17171655 75%,#17171699);pointer-events:none}
.wall-cta{position:absolute;inset:0;display:grid;place-items:center;z-index:2}
.wall-cta-label{position:absolute;top:calc(50% - 78px);background:var(--ink);color:#fff;font-size:13px;padding:8px 16px;border-radius:99px;transform:rotate(-4deg);box-shadow:0 8px 20px #0006;transition:transform .3s}
.wall-cta-btn{width:88px;height:88px;border-radius:50%;background:#fff;color:var(--ink);display:grid;place-items:center;font-size:30px;box-shadow:0 20px 50px #0008;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.wall-cta:hover .wall-cta-btn{transform:scale(1.12)}
.wall-cta:hover .wall-cta-label{transform:rotate(0) translateY(-4px)}

/* ---------- 技术栈滚动条 ---------- */
.ticker{overflow:hidden;border-block:1px solid var(--line);margin-top:72px;padding:16px 0}
.ticker-track{display:flex;align-items:center;gap:38px;width:max-content;white-space:nowrap;animation:tick 30s linear infinite;font-size:14px;letter-spacing:2.5px;font-weight:600;color:var(--muted)}
.ticker-track i{font-style:normal;color:var(--green);font-size:12px}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- 通用区块 ---------- */
.section{padding-block:96px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:48px;flex-wrap:wrap}
.kicker{font-size:12px;letter-spacing:2.2px;color:var(--muted);text-transform:uppercase;font-weight:600}
.section-heading h2,.about h2{font-size:clamp(2.2rem,4.6vw,3.7rem);line-height:1.15;letter-spacing:-.035em;font-weight:800;margin-top:14px}
.section-heading p{font-size:15.5px;line-height:1.8}

/* ---------- 精选项目卡片 ---------- */
.featured-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.project{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:transform .35s,box-shadow .35s}
.project:hover{transform:translateY(-6px);box-shadow:0 24px 60px #11111014}
.project-visual{position:relative;border-radius:16px;overflow:hidden;background:#e3e3dc;min-height:300px;display:flex;flex-direction:column}
.visual-top{display:flex;justify-content:space-between;padding:16px 18px;font-size:11px;letter-spacing:1.8px;color:var(--muted);font-weight:600}
.visual-caption{position:absolute;bottom:14px;left:14px;background:#fffef4e8;font-size:12px;padding:6px 12px;border-radius:99px;color:#252923}
.museum-visual img{width:100%;height:340px;object-fit:cover;object-position:top;transition:transform .6s}
.project:hover .museum-visual img{transform:scale(1.04)}
.diagram{padding:8px 22px 26px;display:flex;flex-direction:column;gap:14px;align-items:center;flex:1;justify-content:center}
.device{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 20px;font-size:14px;font-weight:650;text-align:center;box-shadow:0 6px 16px #1a1a180d}
.device span{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}
.device.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.device.primary span{color:#ffffffa0}
.connector{font-size:11.5px;letter-spacing:1px;color:var(--muted);border:1px dashed #b9b9ae;border-radius:99px;padding:5px 14px}
.device-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.project-body{padding:20px 6px 6px}
.project-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);letter-spacing:1px;margin-bottom:10px}
.project-body h3{font-size:24px;letter-spacing:-.02em;font-weight:750}
.project-body>p{margin-top:8px;font-size:15px}
.tech{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tech span{font-size:12px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:5px 12px;color:var(--muted)}
.project details{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.project summary{cursor:pointer;font-size:14px;font-weight:600;display:flex;justify-content:space-between;align-items:center;list-style:none}
.project summary::-webkit-details-marker{display:none}
.project summary span{transition:transform .3s}
.project details[open] summary span{transform:rotate(45deg)}
.detail-content p{font-size:14px;margin-top:10px}
.detail-content .note{font-size:13px;color:#8a6d3b;background:#fdf6e3;border-radius:10px;padding:10px 14px}

/* ---------- 经历列表（JS 生成） ---------- */
.work-list{margin-top:26px}
.work-row{background:var(--card);border:1px solid var(--line);border-radius:18px;margin-bottom:12px;overflow:hidden;transition:box-shadow .3s}
.work-row:hover{box-shadow:0 12px 30px #11111010}
.work-row summary{cursor:pointer;display:flex;align-items:center;gap:20px;padding:20px 24px;list-style:none}
.work-row summary::-webkit-details-marker{display:none}
.work-row .index{font-size:13px;color:var(--muted);font-weight:600}
.work-row h3{font-size:19px;font-weight:700;letter-spacing:-.01em;flex:1}
.work-row .role{font-size:13px;color:var(--muted)}
.work-row .expand{font-size:20px;transition:transform .3s;color:var(--muted)}
.work-row[open] .expand{transform:rotate(45deg)}
.work-row .detail-content{padding:0 24px 20px 24px}
.work-row .detail-content p{font-size:14px;margin-top:6px}

/* ---------- 服务 ---------- */
.services-section{background:var(--dark);border-radius:40px;margin:40px 20px;color:#f2f2ee}
.services-section .section{padding-block:80px}
.services-section .kicker{color:#9a9a90}
.services-section .section-heading p{color:#9a9a90}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-grid article{background:#222220;border:1px solid #33332f;border-radius:var(--radius);padding:26px 24px;display:flex;flex-direction:column;gap:12px;transition:transform .35s,border-color .35s,background .35s}
.service-grid article:hover{transform:translateY(-6px);background:var(--lime);border-color:var(--lime)}
.service-grid article:hover h3{color:var(--ink)}
.service-grid article:hover p{color:#3f3f38}
.service-grid article:hover .service-number{color:#5c5c52}
.service-grid article:hover footer{color:#4c4c43;border-top-color:#11111022}
.service-number{font-size:13px;color:#77776e;font-weight:600;letter-spacing:1px}
.service-chip{align-self:flex-start;font-size:11px;letter-spacing:1.5px;font-weight:700;border-radius:99px;padding:5px 12px;color:var(--ink)}
.service-chip.lime{background:var(--lime)}
.service-chip.pink{background:var(--pink)}
.service-chip.blue{background:var(--blue)}
.service-chip.purple{background:var(--purple)}
.service-grid h3{font-size:21px;font-weight:750;letter-spacing:-.01em}
.service-grid p{font-size:14px;color:#a9a9a0;flex:1}
.service-grid footer{font-size:12.5px;color:#77776e;border-top:1px solid #33332f;padding-top:14px}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start}
.experience{margin-top:36px}
.experience strong{font-size:clamp(4.5rem,8vw,7.5rem);font-weight:800;letter-spacing:-.05em;line-height:1}
.experience strong span{color:var(--green)}
.experience p{margin-top:6px;font-size:15px}
.about-copy h3{font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.02em;font-weight:750;line-height:1.35;margin-bottom:20px}
.about-copy p{margin-bottom:14px;font-size:15.5px}
.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-facts div{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.about-facts strong{display:block;font-size:15.5px;margin-bottom:4px}
.about-facts span{font-size:13px;color:var(--muted)}

/* ---------- 流程 ---------- */
.process ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.process li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .35s,box-shadow .35s}
.process li:hover{transform:translateY(-6px);box-shadow:0 20px 50px #11111012}
.process li span{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:1px}
.process li h3{font-size:19px;font-weight:750;margin:12px 0 8px}
.process li p{font-size:14px}

/* ---------- 联系 ---------- */
.contact{margin:40px 20px 80px;background:var(--dark);color:#f2f2ee;border-radius:40px;padding:90px 0}
.contact .kicker{color:#9a9a90}
.contact h2{font-size:clamp(2.4rem,5.4vw,4.6rem);letter-spacing:-.035em;font-weight:800;line-height:1.15;margin-top:16px}
.contact h2 span{color:var(--lime)}
.contact-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-top:34px}
.contact-bottom p{color:#a9a9a0;font-size:15.5px}
.contact-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
#copy-email,#copy-wechat{background:transparent;color:#f2f2ee;border:1.5px solid #4a4a44;border-radius:99px;padding:14px 24px;font-size:15px;cursor:pointer;transition:border-color .25s,background .25s}
#copy-email:hover,#copy-wechat:hover{border-color:var(--lime);background:#ffffff10}
#copy-status,#wechat-status{font-size:13.5px;color:var(--lime)}
.contact .email{display:inline-block;margin-top:56px;font-size:clamp(1.3rem,3vw,2rem);font-weight:700;letter-spacing:-.01em;border-bottom:2px solid #4a4a44;padding-bottom:6px;transition:border-color .25s,color .25s}
.contact .email:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- 页脚 ---------- */
.site-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-block:30px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}

/* ---------- 入场动画 ---------- */
@media (prefers-reduced-motion:no-preference){
  .hero-badge,.hero h1,.hero-bottom,.hero-tags,.hero-rule{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
  .hero h1{animation-delay:.08s}
  .hero-bottom{animation-delay:.16s}
  .hero-tags{animation-delay:.24s}
  .hero-rule{animation-delay:.32s}
  .work-wall{animation:rise .9s .2s cubic-bezier(.2,.8,.2,1) both}
}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}

/* ---------- 响应式 ---------- */
@media(max-width:1020px){
  .service-grid,.process ol{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:36px}
}
@media(max-width:800px){
  .wrap{width:calc(100% - 48px)}
  .nav nav{display:none}
  .hero{padding-top:40px}
  .featured-grid{grid-template-columns:1fr}
  .work-wall{height:480px;border-radius:24px}
  .wall-grid{gap:12px;padding:14px}
  .wall-track{gap:12px}
  .section{padding-block:64px}
  .services-section,.contact{margin-inline:12px;border-radius:28px}
  .contact{padding:64px 0}
}
@media(max-width:680px){
  .service-grid,.process ol{grid-template-columns:1fr}
  .hero h1{font-size:clamp(2.4rem,10vw,3.4rem)}
  .hero-bottom{flex-direction:column;align-items:flex-start}
  .wall-col:nth-child(3){display:none}
  .wall-grid{grid-template-columns:1fr 1fr}
  .hero-rule{flex-direction:column;gap:6px}
}