/* ===========================================================
   fangzq.asia — 个人作品网站 v2
   风格：简约高级 · 黑白灰 + 低饱和雾绿点缀
   特征：毛玻璃(Glassmorphism) / 多动效(Ken Burns、视差、count-up、
         reveal 交错、hover 光晕、按钮涟漪) / 克制留白
   =========================================================== */

:root{
  --ink:#151515;
  --ink-2:#4c4c4c;
  --ink-3:#8a8a8a;
  --line:#e9e9e6;
  --line-2:#f3f3f1;
  --bg:#fafafa;
  --card:#ffffff;
  --brand:#5f7d72;          /* 低饱和雾绿 */
  --brand-deep:#48645a;
  --brand-soft:#eef2f0;
  --gold:#a99a7f;           /* 低饱和暖金，仅点缀 */
  --glass:rgba(255,255,255,.55);
  --glass-line:rgba(255,255,255,.65);
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(0,0,0,.03),0 14px 34px -14px rgba(0,0,0,.16);
  --shadow-lg:0 2px 4px rgba(0,0,0,.04),0 36px 70px -30px rgba(0,0,0,.28);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",SimSun,Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  letter-spacing:.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.35;margin:0;letter-spacing:.02em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}

.wrap{width:min(1160px,calc(100% - 48px));margin:0 auto}
.wrap-narrow{width:min(820px,calc(100% - 48px));margin:0 auto}

/* ============ 毛玻璃通用 ============ */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  backdrop-filter:saturate(160%) blur(18px);
  border:1px solid var(--glass-line);
}
.glass-dark{
  background:rgba(22,24,24,.42);
  -webkit-backdrop-filter:saturate(140%) blur(16px);
  backdrop-filter:saturate(140%) blur(16px);
  border:1px solid rgba(255,255,255,.22);
}

/* ============ 导航（毛玻璃） ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:18px 0;
  background:rgba(250,250,250,.62);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid transparent;
  transition:padding .35s var(--ease),background .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
.nav.is-scrolled{
  padding:10px 0;background:rgba(250,250,250,.82);
  border-bottom-color:var(--line);box-shadow:0 8px 30px -18px rgba(0,0,0,.18);
}
.nav-inner{width:min(1160px,calc(100% - 48px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:baseline;gap:9px;font-family:var(--serif);font-size:19px;letter-spacing:.06em;white-space:nowrap}
.brand b{font-weight:600}
.brand span{font-size:11px;letter-spacing:.22em;color:var(--ink-3);text-transform:uppercase;font-family:var(--sans)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:8px 15px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);transition:color .3s var(--ease),background .3s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--brand);transform:translateX(-50%);transition:width .32s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:20px}
.nav-links a.is-active{color:var(--ink)}
.nav-links a.is-active::after{width:20px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.7);cursor:pointer;padding:0;align-items:center;justify-content:center}
.nav-toggle i{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease)}
.nav-toggle i::before{top:-5px}.nav-toggle i::after{top:5px}

/* ============ 通用区块 ============ */
.section{padding:108px 0}
.section.tight{padding:78px 0}
.section.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);
  font-family:var(--sans);margin-bottom:18px;
}
.eyebrow i{display:block;width:26px;height:1px;background:var(--gold);position:relative;overflow:hidden}
.eyebrow i::after{content:"";position:absolute;inset:0;background:var(--gold);transform:translateX(-100%);animation:drawLine 1.2s var(--ease) forwards;animation-timeline:view();animation-range:entry 0% entry 60%}
.section-title{font-size:clamp(26px,3.4vw,38px);position:relative}
.section-title::after{
  content:"";display:block;width:0;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),transparent);
  margin-top:16px;animation:drawLine 1.1s var(--ease) forwards;animation-timeline:view();animation-range:entry 5% entry 55%;
}
.section-desc{margin-top:16px;color:var(--ink-2);max-width:640px}
.section-head{margin-bottom:58px}
.section-head.center{text-align:center;display:flex;flex-direction:column;align-items:center}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}
.section-head.center .section-title::after{margin-left:auto;margin-right:auto}

@keyframes drawLine{to{transform:translateX(0)}}

/* ============ 按钮（涟漪动效） ============ */
.btn{
  position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:10px;
  padding:14px 27px;border-radius:999px;font-size:14.5px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:all .3s var(--ease);font-family:var(--sans);
}
.btn svg{width:15px;height:15px;transition:transform .3s var(--ease);position:relative;z-index:1}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 12px 26px -14px rgba(0,0,0,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(0,0,0,.55)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn:hover svg{transform:translateX(4px)}
.ripple{
  position:absolute;border-radius:50%;background:rgba(255,255,255,.55);
  transform:scale(0);animation:ripple .65s var(--ease) forwards;pointer-events:none;
}
.btn-primary .ripple{background:rgba(255,255,255,.4)}
.btn-ghost .ripple{background:rgba(0,0,0,.08)}
@keyframes ripple{to{transform:scale(3);opacity:0}}

/* ============ 首屏 ============ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding:128px 0 76px}
.hero-bg{position:absolute;inset:-8% 0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%;animation:kenburns 26s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1) translateY(0)}to{transform:scale(1.09) translateY(-2.2%)}}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,18,18,.58) 0%,rgba(16,18,18,.38) 46%,rgba(250,250,250,.98) 100%);
}
.hero-orbs{position:absolute;inset:0;z-index:-1;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(46px);opacity:.5;animation:floatOrb 14s ease-in-out infinite alternate}
.orb-1{width:300px;height:300px;background:rgba(143,178,164,.34);top:12%;left:8%}
.orb-2{width:220px;height:220px;background:rgba(190,175,148,.26);bottom:18%;right:10%;animation-delay:-5s}
@keyframes floatOrb{from{transform:translateY(0) scale(1)}to{transform:translateY(-34px) scale(1.12)}}

.hero-inner{width:min(1160px,calc(100% - 48px));margin:0 auto;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;
  font-size:12.5px;letter-spacing:.15em;opacity:0;animation:fadeUp .8s var(--ease) .15s forwards;
}
.hero-tag em{width:6px;height:6px;border-radius:50%;background:#9fc9b8;font-style:normal;animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(42px,7.6vw,84px);letter-spacing:.09em;margin-top:10px;
  opacity:0;animation:fadeUp .9s var(--ease) .35s forwards;
}
.hero-sub{
  margin-top:24px;font-size:clamp(15px,1.6vw,18px);max-width:640px;color:rgba(255,255,255,.9);
  letter-spacing:.04em;opacity:0;animation:fadeUp .9s var(--ease) .55s forwards;
}
.hero-meta{margin-top:16px;font-size:13.5px;letter-spacing:.18em;color:rgba(255,255,255,.68);opacity:0;animation:fadeUp .9s var(--ease) .7s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;opacity:0;animation:fadeUp .9s var(--ease) .85s forwards}
.hero-actions .btn-ghost{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.12);color:#fff}
.hero-actions .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.22)}
.hero-actions .btn-primary{background:rgba(255,255,255,.92);color:var(--ink)}
.hero-actions .btn-primary:hover{background:#fff}

.hero-facts{
  margin-top:66px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:26px;border-radius:22px;max-width:860px;
  opacity:0;animation:fadeUp 1s var(--ease) 1.05s forwards;
}
.hero-facts b{display:block;font-family:var(--serif);font-size:clamp(22px,2.6vw,31px);letter-spacing:.02em;color:#fff}
.hero-facts b small{font-size:.62em;font-weight:600;color:rgba(255,255,255,.8)}
.hero-facts span{font-size:12.5px;letter-spacing:.16em;color:rgba(255,255,255,.72);display:block;margin-top:3px}

/* ============ 作品网格（hover 光晕 + 毛玻璃浮层） ============ */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;z-index:1;pointer-events:none;
  background:radial-gradient(420px 260px at var(--mx,50%) var(--my,30%),rgba(95,125,114,.16),transparent 70%);
  opacity:0;transition:opacity .4s var(--ease);
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:#d9d9d4}
.card:hover::before{opacity:1}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#efefeb}
.card-media img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .8s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;position:relative;z-index:2}
.card-kind{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.card-title{font-size:19px;margin-top:11px}
.card-text{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.78}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.tag{
  font-size:11.5px;padding:4px 11px;border-radius:999px;color:var(--ink-2);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.card-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;gap:8px;color:var(--brand);font-size:13.5px;font-weight:500}
.card-foot svg{width:14px;height:14px;transition:transform .35s var(--ease)}
.card:hover .card-foot svg{transform:translateX(5px)}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:42px}
.filters button{
  padding:9px 19px;border-radius:999px;border:1px solid var(--line);background:var(--glass);
  color:var(--ink-2);font-size:13.5px;cursor:pointer;transition:all .28s var(--ease);font-family:var(--sans);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.filters button:hover{border-color:var(--ink-3);color:var(--ink)}
.filters button.is-on{background:var(--ink);border-color:var(--ink);color:#fff}

/* ============ 亮点条 ============ */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.strip div{background:var(--bg);padding:32px 28px;transition:background .35s var(--ease)}
.strip div:hover{background:#fff}
.strip b{display:block;font-family:var(--serif);font-size:30px;color:var(--brand)}
.strip span{font-size:13px;color:var(--ink-3);letter-spacing:.12em}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:66px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;transition:transform .6s var(--ease)}
.split-media:hover img{transform:scale(1.015)}
.split-media .badge{
  position:absolute;right:-14px;bottom:-14px;padding:15px 20px;border-radius:var(--radius-sm);
  box-shadow:var(--shadow);font-size:12.5px;color:var(--ink-2);letter-spacing:.08em;
}
.ticks{margin:28px 0 0}
.ticks li{position:relative;padding-left:26px;margin-bottom:13px;color:var(--ink-2);font-size:14.5px}
.ticks li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:3px;
  background:var(--brand-soft);border:1.5px solid var(--brand);
  transition:transform .3s var(--ease);
}
.ticks li:hover::before{transform:rotate(45deg)}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--line),transparent)}
.tl-item{position:relative;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:9px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.tl-item:hover::before{background:var(--brand);box-shadow:0 0 0 6px var(--brand-soft)}
.tl-when{font-size:12.5px;letter-spacing:.14em;color:var(--gold)}
.tl-what{font-size:17px;margin-top:6px;font-family:var(--serif)}
.tl-where{font-size:13.5px;color:var(--ink-3);margin-top:3px}
.tl-desc{margin-top:10px;font-size:14px;color:var(--ink-2)}
.tl-desc li{position:relative;padding-left:16px;margin-bottom:6px}
.tl-desc li::before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--brand)}

/* ============ 技能 ============ */
.skills{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.skill{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.skill:hover{transform:translateY(-3px);border-color:var(--brand)}
.skill b{font-size:14.5px;font-weight:600}
.skill span{font-size:12.5px;color:var(--ink-3)}
.bar{height:5px;border-radius:5px;background:var(--line);overflow:hidden;flex:1;max-width:220px}
.bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--brand-deep),var(--brand));width:0;transition:width 1.1s var(--ease)}
.is-in .bar i{animation:growBar 1.1s var(--ease) forwards}
@keyframes growBar{to{width:var(--w,80%)}}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.contact-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-list li:last-child{border-bottom:0}
.contact-list .k{width:80px;flex:none;font-size:12.5px;letter-spacing:.18em;color:var(--ink-3);padding-top:5px}
.contact-list .v{font-size:15.5px;word-break:break-all}
.contact-list .v a{border-bottom:1px solid var(--line);transition:border-color .25s var(--ease),color .25s var(--ease)}
.contact-list .v a:hover{color:var(--brand);border-color:var(--brand)}
.qr-card{
  padding:28px;text-align:center;border-radius:var(--radius);box-shadow:var(--shadow);
  background:var(--glass);-webkit-backdrop-filter:saturate(160%) blur(18px);backdrop-filter:saturate(160%) blur(18px);
  border:1px solid var(--glass-line);
}
.qr-card img{width:200px;margin:0 auto;border-radius:12px}
.qr-card p{margin:16px 0 0;font-size:12.5px;letter-spacing:.16em;color:var(--ink-3)}

/* ============ CTA（深色毛玻璃） ============ */
.cta{
  position:relative;overflow:hidden;border-radius:28px;padding:78px 58px;color:#fff;
  background:linear-gradient(135deg,#232b28,#31453e 58%,#4a6258);
}
.cta::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.14),transparent 70%);
}
.cta .cta-glass{
  position:relative;z-index:1;display:inline-block;padding:22px 30px;border-radius:22px;max-width:640px;
}
.cta h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta p{margin-top:14px;color:rgba(255,255,255,.88);max-width:520px}
.cta .btn{margin-top:28px;background:rgba(255,255,255,.94);color:var(--ink)}
.cta .btn:hover{background:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);padding:48px 0 36px;margin-top:96px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}
.footer p{margin:0;font-size:13px;color:var(--ink-3)}
.footer a{border-bottom:1px solid transparent;transition:color .25s var(--ease),border-color .25s var(--ease)}
.footer a:hover{border-color:var(--ink-3);color:var(--ink)}

/* ============ 子页面头 ============ */
.page-head{
  padding:172px 0 66px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fff,var(--bg));
}
.page-head h1{font-size:clamp(30px,4.4vw,46px)}
.page-head p{margin-top:18px;color:var(--ink-2);max-width:680px}

/* ============ 滚动字幕 ============ */
.marquee{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 0;background:#fff;
}
.marquee-track{display:flex;gap:56px;white-space:nowrap;width:max-content;animation:marquee 32s linear infinite}
.marquee-track span{font-family:var(--serif);font-size:15px;letter-spacing:.28em;color:var(--ink-3)}
.marquee-track em{font-style:normal;color:var(--brand)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee:hover .marquee-track{animation-play-state:paused}

/* ============ 滚动显现 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal-left{opacity:0;transform:translateX(-34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal-right{opacity:0;transform:translateX(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal-left.is-in,.reveal-right.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1000px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .split.rev .split-media{order:0}
  .strip{grid-template-columns:repeat(2,1fr)}
  .hero-facts{grid-template-columns:repeat(2,1fr);gap:16px;padding:22px}
}
@media (max-width:700px){
  body{font-size:15.5px}
  .wrap,.wrap-narrow,.nav-inner,.hero-inner{width:calc(100% - 36px)}
  .section{padding:74px 0}
  .section.tight{padding:58px 0}
  .grid{grid-template-columns:1fr;gap:22px}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:62px;left:12px;right:12px;flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:18px;padding:12px;
    box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transform:translateY(-8px);
    transition:opacity .28s var(--ease),transform .28s var(--ease);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  }
  .nav-links.is-open{opacity:1;pointer-events:auto;transform:none}
  .nav-links a{padding:12px 14px}
  .cta{padding:54px 28px;border-radius:22px}
  .hero{padding:108px 0 58px}
  .hero-facts{margin-top:48px}
  .strip div{padding:24px 20px}
  .skills{grid-template-columns:1fr}
  .page-head{padding:136px 0 48px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal,.reveal-left,.reveal-right{opacity:1;transform:none}
}