/* =====================================================================
   何炫萱 · 作品集 — 网站样式
   ===================================================================== */
:root{
  --ink:#14181d;
  --ink-2:#3d454f;
  --ink-3:#6f7883;
  --line:#e2e0d9;
  --bg:#f6f4ef;
  --bg-2:#ffffff;
  --accent:#1f5f6b;
  --accent-2:#c2553f;
  --gold:#b08a45;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,24,29,.04), 0 12px 30px -18px rgba(20,24,29,.28);
  --maxw:1280px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --display:"Cormorant Garamond",var(--serif);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
em{font-style:normal}
button{font-family:inherit}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:999;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}

/* ---------------- NAV ---------------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav__inner{max-width:var(--maxw);margin:0 auto;padding:18px 28px;display:flex;align-items:center;gap:24px}
.nav__brand{display:flex;flex-direction:column;line-height:1.1;color:#fff;transition:color .3s}
.nav__brand b{font-family:var(--serif);font-size:20px;letter-spacing:.06em}
.nav__brand span{font-family:var(--display);font-size:10px;letter-spacing:.28em;opacity:.72}
.nav__links{margin-left:auto;display:flex;align-items:center;gap:30px;font-size:14.5px;color:#fff;transition:color .3s}
.nav__links a{position:relative;padding:4px 0;opacity:.9}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .3s}
.nav__links a:hover::after{width:100%}
.nav__pdf{border:1px solid currentColor;border-radius:99px;padding:5px 14px !important;opacity:.85;font-size:13.5px}
.nav__pdf::after{display:none}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav__toggle span{display:block;width:24px;height:1.5px;background:#fff;margin:5px 0;transition:transform .3s,background .3s}
body.is-scrolled .nav{background:rgba(246,244,239,.86);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
body.is-scrolled .nav__brand,body.is-scrolled .nav__links{color:var(--ink)}
body.is-scrolled .nav__toggle span{background:var(--ink)}

/* ---------------- HERO ---------------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:#0f1216}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:58% 22%;opacity:.42;filter:saturate(1.05)}
.hero__bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(105deg,rgba(10,13,17,.94) 0%,rgba(10,13,17,.86) 38%,rgba(10,13,17,.42) 72%,rgba(10,13,17,.3) 100%);}
.hero__inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:130px 28px 90px;width:100%;color:#fff}
.hero__eyebrow{font-family:var(--display);letter-spacing:.34em;font-size:12.5px;color:rgba(255,255,255,.62);margin-bottom:26px}
.hero__name{font-family:var(--serif);font-size:clamp(56px,9vw,116px);letter-spacing:.05em;line-height:1}
.hero__name em{display:block;font-family:var(--display);font-size:clamp(15px,2vw,22px);letter-spacing:.44em;font-weight:500;color:rgba(255,255,255,.6);margin-top:16px}
.hero__title{margin-top:22px;font-size:clamp(15px,1.5vw,18px);color:rgba(255,255,255,.9);letter-spacing:.06em}
.hero__slogan{margin-top:10px;font-family:var(--serif);font-size:clamp(16px,1.6vw,20px);color:var(--gold);letter-spacing:.1em}
.hero__facts{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px 42px;max-width:760px}
.hero__facts li{font-size:14px;color:rgba(255,255,255,.62);display:flex;flex-direction:column;gap:2px}
.hero__facts b{font-size:16px;color:#fff;font-family:var(--serif);letter-spacing:.03em}
.hero__cta{margin-top:40px;display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.42);color:#fff;
  padding:12px 26px;border-radius:99px;font-size:14.5px;letter-spacing:.06em;transition:.28s;cursor:pointer}
.btn:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--solid{background:#fff;color:var(--ink);border-color:#fff}
.btn--solid:hover{background:var(--gold);border-color:var(--gold);color:#fff}
.hero__strip{margin-top:64px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;max-width:880px}
.hero__strip a{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:var(--ratio,4/3);background:#1b2027;display:block}
.hero__strip img{width:100%;height:100%;object-fit:cover;opacity:.72;transition:.5s}
.hero__strip a:hover img{opacity:1;transform:scale(1.06)}
.hero__strip span{position:absolute;left:10px;bottom:8px;font-size:12px;color:#fff;letter-spacing:.08em;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.hero__scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:rgba(255,255,255,.5);font-family:var(--display);font-size:10px;letter-spacing:.4em;writing-mode:vertical-rl;animation:float 2.6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------------- STRIP ---------------- */
.strip{background:var(--bg-2);border-bottom:1px solid var(--line)}
.strip__inner{max-width:var(--maxw);margin:0 auto;padding:34px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.strip__item{text-align:center;border-right:1px solid var(--line)}
.strip__item:last-child{border-right:0}
.strip__item b{display:block;font-family:var(--display);font-size:40px;line-height:1;color:var(--accent)}
.strip__item span{font-size:13px;color:var(--ink-3);letter-spacing:.1em}

/* ---------------- WORKS ---------------- */
.works{max-width:var(--maxw);margin:0 auto;padding:96px 28px 40px}
.works__head h2,.about__head h2,.p-head h2{font-family:var(--serif);font-size:clamp(30px,3.4vw,44px);letter-spacing:.04em}
.works__head h2 em,.about__head h2 em{display:block;font-family:var(--display);font-size:13px;letter-spacing:.4em;color:var(--ink-3);margin-top:10px;font-weight:500}
.works__head p{margin-top:18px;color:var(--ink-3);letter-spacing:.08em;font-size:14.5px}
.filters{margin:36px 0 52px;display:flex;flex-wrap:wrap;gap:10px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.filter{background:transparent;border:1px solid var(--line);border-radius:99px;padding:9px 20px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:.25s;display:inline-flex;align-items:center;gap:8px}
.filter em{font-style:normal;font-size:11px;color:var(--ink-3);font-family:var(--display)}
.filter:hover{border-color:var(--ink-3);color:var(--ink)}
.filter.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.filter.is-active em{color:rgba(255,255,255,.6)}
.group{margin-bottom:72px}
.group.is-hidden{display:none}
.group__head{display:flex;align-items:baseline;gap:16px;margin-bottom:26px}
.group__head h3{font-family:var(--serif);font-size:23px;letter-spacing:.06em}
.group__en{font-family:var(--display);font-size:12px;letter-spacing:.3em;color:var(--ink-3)}
.group__count{margin-left:auto;font-size:12.5px;color:var(--ink-3);letter-spacing:.1em}
.grid{display:flex;flex-wrap:wrap;gap:30px 26px}
.grid > .card{flex:1 1 300px;max-width:calc(33.333% - 18px);min-width:260px}
.card{background:var(--bg-2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 44px -22px rgba(20,24,29,.4)}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
/* 媒体区：固定高度 + contain，保证全身立绘完整显示且每行卡片等高 */
.card__media{position:relative;height:var(--media-h,380px);overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center}
.card__media img{width:100%;height:100%;object-fit:contain;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.card--wide .card__media{height:auto;aspect-ratio:16/10;background:#0f1216}
.card--wide .card__media img{object-fit:cover}
.card:hover .card__media img{transform:scale(1.05)}
.card__zoom{position:absolute;inset:auto 0 0 0;padding:14px;font-size:12.5px;letter-spacing:.2em;color:#fff;
  background:linear-gradient(transparent,rgba(10,13,17,.72));opacity:0;transform:translateY(10px);transition:.35s}
.card:hover .card__zoom{opacity:1;transform:none}
.badge{position:absolute;top:12px;left:12px;background:rgba(10,13,17,.72);backdrop-filter:blur(6px);color:#fff;
  font-size:12px;padding:5px 11px;border-radius:99px;letter-spacing:.06em}
.card__body{padding:20px 22px 24px}
.card__meta{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-3);letter-spacing:.12em;text-transform:uppercase}
.card__cat{color:var(--accent);font-weight:500}
.card__title{margin-top:10px;font-family:var(--serif);font-size:21px;letter-spacing:.04em}
.card__sub{margin-top:5px;font-size:14px;color:var(--ink-2)}
/* 统一每个分类内的卡片视觉：媒体区固定比例，文字区等高 */
.grid{align-items:stretch}
.card{display:flex;flex-direction:column}
.card__body{flex:1 1 auto;display:flex;flex-direction:column}
.card__tags{margin-top:auto;padding-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.card__tags span{font-size:11.5px;color:var(--ink-3);background:var(--bg);border-radius:6px;padding:3px 9px;letter-spacing:.06em}
.empty{text-align:center;color:var(--ink-3);padding:40px 0}

/* ---------------- ABOUT ---------------- */
.about{background:var(--bg-2);border-top:1px solid var(--line);margin-top:60px}
.about__inner{max-width:var(--maxw);margin:0 auto;padding:96px 28px}
.about__grid{margin-top:52px;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:64px;align-items:start}
.about__lead{font-size:17px;line-height:1.95;color:var(--ink-2);font-family:var(--serif);letter-spacing:.02em}
.adv{margin-top:36px;display:grid;gap:22px}
.adv__item{display:flex;gap:20px}
.adv__n{font-family:var(--display);font-size:26px;color:var(--gold);line-height:1}
.adv__item h4{font-size:16.5px;letter-spacing:.05em}
.adv__item p{margin-top:6px;font-size:14.5px;color:var(--ink-3);line-height:1.8}
.sub{margin:58px 0 22px;font-family:var(--serif);font-size:20px;letter-spacing:.06em;padding-bottom:12px;border-bottom:1px solid var(--line)}
.sub em{font-family:var(--display);font-size:11.5px;letter-spacing:.3em;color:var(--ink-3);margin-left:12px;font-weight:500}
.flow{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.flow li{display:flex;gap:14px;background:var(--bg);border-radius:12px;padding:18px 20px}
.flow b{font-family:var(--display);font-size:22px;color:var(--accent);line-height:1}
.flow h5{font-size:15.5px;letter-spacing:.05em}
.flow p{margin-top:5px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.proj{display:grid;gap:14px}
.proj__item{border-left:2px solid var(--gold);padding:2px 0 2px 20px}
.proj__item h5{font-size:15.5px;letter-spacing:.04em}
.proj__item p{margin-top:6px;font-size:14px;color:var(--ink-3);line-height:1.8}
.about__side{display:grid;gap:22px;position:sticky;top:96px}
.panel{background:var(--bg);border-radius:var(--radius);padding:26px 26px 28px}
.panel h4{font-family:var(--serif);font-size:16px;letter-spacing:.08em;margin-bottom:14px;color:var(--ink)}
.panel h4:not(:first-child){margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.edu__row{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.edu__row b{font-size:15.5px}
.edu__row span{font-family:var(--display);font-size:13px;color:var(--ink-3)}
.edu p{margin-top:4px;font-size:13.8px;color:var(--ink-3)}
.edu__rank{color:var(--accent) !important}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:12.5px;background:var(--bg-2);border:1px solid var(--line);border-radius:99px;padding:5px 13px;color:var(--ink-2)}
.tools{display:grid;gap:12px}
.tools__row span{font-size:12.5px;color:var(--ink-3);letter-spacing:.08em}
.tools__row p{margin-top:6px;display:flex;flex-wrap:wrap;gap:6px}
.tools__row i{font-style:normal;font-size:12.5px;background:var(--bg-2);border-radius:6px;padding:4px 10px;color:var(--ink-2);border:1px solid var(--line)}
.certs{display:grid;gap:8px}
.certs li{font-size:14px;color:var(--ink-2);padding-left:16px;position:relative}
.certs li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1px;background:var(--gold)}
.big{font-family:var(--serif);font-size:19px;color:var(--ink);letter-spacing:.06em}
.muted{font-size:13.5px;color:var(--ink-3);margin-top:4px}

/* ---------------- CONTACT ---------------- */
.contact{background:var(--ink);color:#fff;margin-top:0}
.contact__inner{max-width:var(--maxw);margin:0 auto;padding:104px 28px;text-align:center}
.contact__eyebrow{font-family:var(--display);letter-spacing:.42em;font-size:12px;color:rgba(255,255,255,.5)}
.contact h2{margin:24px auto 0;max-width:760px;font-family:var(--serif);font-size:clamp(24px,3vw,36px);line-height:1.5;letter-spacing:.03em}
.contact__rows{margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:940px;margin-inline:auto}
.contact__rows > *{border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:22px 16px;transition:.3s}
.contact__rows > *:hover{border-color:var(--gold);background:rgba(255,255,255,.03)}
.contact__rows span{display:block;font-size:12px;letter-spacing:.2em;color:rgba(255,255,255,.45)}
.contact__rows b{display:block;margin-top:8px;font-size:16px;font-family:var(--serif);letter-spacing:.04em}
.contact__sign{margin-top:56px;font-family:var(--display);letter-spacing:.36em;font-size:12px;color:rgba(255,255,255,.4)}

/* ---------------- FOOT ---------------- */
.foot{background:var(--ink);color:rgba(255,255,255,.42);border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:26px 28px;font-size:12.5px;letter-spacing:.06em}
.foot a{border-bottom:1px solid rgba(255,255,255,.24);padding-bottom:2px}
.foot a:hover{color:#fff}

/* ---------------- MODAL ---------------- */
.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:24px}
.modal[hidden]{display:none}
.modal__backdrop{position:absolute;inset:0;background:rgba(12,15,19,.72);backdrop-filter:blur(6px);animation:fade .3s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal__panel{position:relative;background:var(--bg-2);border-radius:18px;width:min(1180px,100%);max-height:92vh;overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.6);animation:pop .38s cubic-bezier(.2,.8,.3,1)}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.modal__scroll{max-height:92vh;overflow-y:auto;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.9fr)}
.modal__media{background:#0f1216;display:grid;gap:2px;align-content:start}
.modal__media figure{margin:0;position:relative;background:#0f1216}
.modal__media img{width:100%;height:auto;display:block}
.modal__media figcaption{position:absolute;left:14px;bottom:12px;font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.06em;text-shadow:0 1px 6px rgba(0,0,0,.7)}
.modal__media video{width:100%;display:block;background:#000;aspect-ratio:16/9}

/* 外部播放器（哔哩哔哩）：封面 + 点击播放 */
.embed{display:flex;flex-direction:column;background:#0f1216}
.embed__play{position:relative;display:block;width:100%;padding:0;border:0;background:#0f1216;cursor:pointer;line-height:0}
.embed__play img{width:100%;height:auto;display:block;opacity:.82;transition:opacity .3s,transform .5s}
.embed__play:hover img{opacity:1;transform:scale(1.02)}
.embed__btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:99px;
  background:rgba(255,255,255,.94);color:#14181d;font-size:14.5px;letter-spacing:.08em;line-height:1;
  box-shadow:0 10px 30px -10px rgba(0,0,0,.6);transition:.28s;white-space:nowrap}
.embed__play:hover .embed__btn{background:#fb7299;color:#fff;transform:translate(-50%,-50%) scale(1.04)}
.embed__frame{position:relative;width:100%;aspect-ratio:16/9;background:#000}
.embed__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.embed__link{display:block;padding:13px 16px;background:#0f1216;color:rgba(255,255,255,.66);
  font-size:12.5px;letter-spacing:.06em;border-top:1px solid rgba(255,255,255,.1);transition:.25s}
.embed__link:hover{color:#fb7299}
.media__note{position:static !important;padding:12px 16px;background:#0f1216;color:rgba(255,255,255,.6);font-size:12.5px}
.media__hint{margin:0;padding:0 16px 14px;background:#0f1216;color:rgba(255,255,255,.42);font-size:12px;line-height:1.6}
.modal__head{porder:0;padding:38px 38px 0;grid-column:2}
.modal__cat{font-family:var(--display);font-size:11.5px;letter-spacing:.3em;color:var(--accent);text-transform:uppercase}
.modal__head h3{margin-top:12px;font-family:var(--serif);font-size:32px;letter-spacing:.04em}
.modal__sub{margin-top:8px;color:var(--ink-3);font-size:14.5px}
.modal__info{padding:26px 38px 0}
.modal__desc{font-size:15px;line-height:1.95;color:var(--ink-2)}
.modal__points{margin-top:22px;display:grid;gap:10px}
.modal__points li{font-size:14px;color:var(--ink-2);padding-left:24px;position:relative;line-height:1.8}
.modal__points li::before{content:"—";position:absolute;left:0;color:var(--gold)}
.modal__specs{margin:30px 38px 0;padding:22px 0 34px;border-top:1px solid var(--line);display:grid;gap:10px}
.modal__specs div{display:flex;justify-content:space-between;gap:20px;font-size:13.5px}
.modal__specs dt{color:var(--ink-3);letter-spacing:.08em}
.modal__specs dd{margin:0;color:var(--ink);text-align:right}
.modal__orig{display:inline-flex;margin-top:8px;font-size:12.5px;color:var(--ink-3);border-bottom:1px solid var(--line)}
.modal__close{position:absolute;top:16px;right:16px;z-index:5;width:38px;height:38px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.9);color:var(--ink);font-size:15px;line-height:1;transition:.25s}
.modal__close:hover{background:var(--ink);color:#fff}
body.is-locked{overflow:hidden}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width:1024px){
  .about__grid{grid-template-columns:1fr;gap:44px}
  .about__side{position:static;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .contact__rows{grid-template-columns:repeat(2,1fr)}
  .modal__scroll{grid-template-columns:1fr}
  .modal__head,.modal__info{grid-column:1;padding-left:26px;padding-right:26px}
  .modal__specs{margin-left:26px;margin-right:26px}
}
@media (max-width:860px){
  .nav__toggle{display:block}
  .nav__links{position:fixed;inset:0;background:rgba(12,15,19,.97);flex-direction:column;justify-content:center;gap:26px;
    font-size:20px;opacity:0;pointer-events:none;transition:.35s;color:#fff !important}
  .nav__links.is-open{opacity:1;pointer-events:auto}
  body.is-scrolled .nav__links{color:#fff !important}
  .hero__strip{grid-template-columns:repeat(2,1fr)}
  .strip__inner{grid-template-columns:repeat(2,1fr);gap:26px}
  .strip__item{border-right:0}
  .grid{gap:22px}
  .grid > .card{flex:1 1 260px;max-width:calc(50% - 11px)}
  .grid{--media-h:300px}
  .flow{grid-template-columns:1fr}
  .works,.about__inner{padding-top:72px;padding-bottom:56px}
}
@media (max-width:620px){
  .grid > .card{flex:1 1 100%;max-width:100%}
  .grid{--media-h:340px}
}
@media (max-width:520px){
  .nav__inner{padding:14px 18px}
  .hero__inner{padding:120px 18px 70px}
  .works,.about__inner,.contact__inner{padding-left:18px;padding-right:18px}
  .contact__rows{grid-template-columns:1fr}
  .foot{flex-direction:column}
  .modal{padding:0}
  .modal__panel{max-height:100vh;border-radius:0}
  .modal__scroll{max-height:100vh}
}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}