/* ===== 骁清 / Finn · 方向三 原型样式 =====
   纯静态，无外部依赖。移动优先 + 青色霓虹暗色主题。 */

:root{
  --bg:        #070b10;
  --bg-2:      #0b1118;
  --panel:     #0e1620;
  --panel-2:   #111c28;
  --line:      rgba(95,232,255,.16);
  --line-soft: rgba(255,255,255,.06);
  --fg:        #e8f3f6;
  --fg-2:      #9fb3bd;
  --fg-3:      #6c8089;
  --cyan:      #00d4c8;
  --cyan-2:    #5fe8ff;
  --cyan-soft: rgba(0,212,200,.12);
  --warm:      #ffae6b;
  --radius:    16px;
  --maxw:      1120px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--fg);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--cyan);color:#04161a}

/* ===== NAV ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(16px,4vw,40px);
  background:rgba(7,11,16,.72);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
  transition:border-color .3s, background .3s;
}
.nav--solid{border-bottom-color:var(--line)}
.nav__brand{font-weight:700;font-size:1.05rem;letter-spacing:.02em;display:flex;align-items:center;gap:9px}
.nav__dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan-2)}
.nav__brand-en{color:var(--fg-3);font-family:var(--mono);font-size:.8rem;letter-spacing:.12em}
.nav__links{display:flex;gap:clamp(14px,2.4vw,30px);font-size:.92rem}
.nav__links a{color:var(--fg-2);position:relative;padding:4px 0;transition:color .25s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--cyan);transition:width .25s}
.nav__links a:hover{color:var(--fg)}
.nav__links a:hover::after,.nav__links a.active::after{width:100%}
.nav__links a.active{color:var(--cyan-2)}
.nav__toggle{display:none;background:none;border:1px solid var(--line);color:var(--fg);border-radius:10px;width:40px;height:36px;font-size:1.1rem;cursor:pointer}

/* ===== HERO ===== */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px clamp(16px,4vw,40px) 80px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 520px at 78% 18%, rgba(0,212,200,.16), transparent 60%),
    radial-gradient(700px 420px at 12% 82%, rgba(95,232,255,.10), transparent 60%),
    linear-gradient(180deg,#070b10,#0a121b 60%,#070b10);
}
.hero__bg::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%)}
.hero__inner{position:relative;z-index:1;width:100%;max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center}
.hero__eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.32em;color:var(--cyan);margin-bottom:18px}
.hero__name{font-size:clamp(3rem,9vw,5.6rem);line-height:.98;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#fff 30%,var(--cyan-2) 70%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__name-en{font-weight:700;color:var(--fg-3);-webkit-text-fill-color:var(--fg-3);font-size:.42em;letter-spacing:.04em}
.hero__tagline{font-size:clamp(1.1rem,2.6vw,1.5rem);color:var(--fg);margin:18px 0 10px;font-weight:500}
.hero__identity{color:var(--cyan-2);font-size:1rem;letter-spacing:.04em;margin-bottom:18px}
.hero__identity .sep{color:var(--fg-3);margin:0 8px}
.hero__bio{color:var(--fg-2);max-width:46ch;font-size:.98rem}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin:24px 0;font-size:.86rem;color:var(--fg-3)}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-size:.94rem;font-weight:600;cursor:pointer;transition:transform .2s, box-shadow .2s, background .2s, border-color .2s}
.btn--primary{background:linear-gradient(120deg,var(--cyan),var(--cyan-2));color:#04161a;box-shadow:0 8px 30px rgba(0,212,200,.28)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(0,212,200,.42)}
.btn--ghost{border:1px solid var(--line);color:var(--fg);background:rgba(95,232,255,.04)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan-2);transform:translateY(-2px)}

.hero__avatar{display:flex;flex-direction:column;align-items:center;gap:14px}
.avatar-ring{position:relative;width:min(260px,62vw);aspect-ratio:1;border-radius:50%;padding:5px;
  background:conic-gradient(from 200deg,var(--cyan),var(--cyan-2),#0a6f78,var(--cyan));
  box-shadow:0 0 60px rgba(0,212,200,.28);animation:spin 18s linear infinite}
.avatar-ring img{width:100%;height:100%;border-radius:50%;object-fit:cover;background:var(--panel)}
.avatar-ring--fallback{background:var(--panel-2)}
.avatar-ring--fallback::after{content:"F";position:absolute;inset:0;display:grid;place-items:center;font-size:5rem;font-weight:800;color:var(--cyan);border-radius:50%;background:var(--panel)}
@keyframes spin{to{transform:rotate(360deg)}}
.avatar-badge{font-family:var(--mono);font-size:.8rem;letter-spacing:.18em;color:var(--cyan-2);border:1px solid var(--line);padding:4px 14px;border-radius:999px}
.hero__scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;color:var(--fg-3);font-size:1.4rem;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ===== SECTION SHELL ===== */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(64px,9vw,110px) clamp(16px,4vw,40px)}
.section--alt{background:linear-gradient(180deg,transparent,rgba(95,232,255,.03),transparent);max-width:none}
.section--alt > *{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section__head{margin-bottom:42px;max-width:62ch}
.section__kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.28em;color:var(--cyan);margin-bottom:12px}
.section__title{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800;letter-spacing:-.02em}
.section__sub{color:var(--fg-2);margin-top:12px;font-size:.98rem}
.section__sub strong{color:var(--warm)}

/* ===== WORKS ===== */
.works{display:flex;flex-direction:column;gap:46px}
.work-group__head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--line-soft)}
.work-group__no{font-family:var(--mono);font-size:.72rem;color:var(--cyan);letter-spacing:.2em}
.work-group__name{font-size:1.25rem;font-weight:700}
.work-group__en{font-family:var(--mono);font-size:.68rem;color:var(--fg-3);letter-spacing:.2em}
.work-group__desc{margin-left:auto;color:var(--fg-3);font-size:.82rem;max-width:34ch;text-align:right}
.work-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{position:relative;padding:22px;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;transition:transform .3s, border-color .3s, box-shadow .3s}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--cyan),transparent);opacity:.5;transition:opacity .3s}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 16px 44px rgba(0,0,0,.45),0 0 30px rgba(0,212,200,.08)}
.card:hover::before{opacity:1}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.card__title{font-size:1.12rem;font-weight:700;letter-spacing:-.01em}
.card__cat{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;color:var(--cyan-2);border:1px solid var(--line);padding:3px 9px;border-radius:999px;white-space:nowrap}
.card__desc{color:var(--fg-2);font-size:.9rem;line-height:1.6}
.card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-family:var(--mono);font-size:.7rem;color:var(--fg-3);letter-spacing:.08em}
.card__link{color:var(--cyan);transition:color .25s}
.card:hover .card__link{color:var(--cyan-2)}

/* ===== BLOG ===== */
.blog{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.post{position:relative;padding:24px;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);display:flex;flex-direction:column;gap:10px;transition:transform .3s,border-color .3s}
.post:hover{transform:translateY(-4px);border-color:var(--line)}
.post__tag{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;color:var(--warm);border:1px solid rgba(255,174,107,.4);padding:2px 8px;border-radius:999px}
.post__date{font-family:var(--mono);font-size:.72rem;color:var(--fg-3);letter-spacing:.1em}
.post__title{font-size:1.12rem;font-weight:700;line-height:1.4;padding-right:34px}
.post__excerpt{color:var(--fg-2);font-size:.9rem;line-height:1.62;flex:1}
.post__more{color:var(--cyan);font-size:.85rem;font-weight:600;transition:color .25s}

/* ===== CAPABILITIES ===== */
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.cap-card{position:relative;padding:26px;border:1px solid var(--line-soft);border-radius:var(--radius);background:linear-gradient(165deg,var(--cyan-soft),transparent 65%);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.cap-card::before,.cap-card::after{content:"";position:absolute;width:13px;height:13px;border:1.5px solid var(--line);opacity:.5;transition:opacity .3s}
.cap-card::before{top:11px;left:11px;border-right:0;border-bottom:0}
.cap-card::after{right:11px;bottom:11px;border-left:0;border-top:0}
.cap-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 16px 44px rgba(0,0,0,.45),0 0 32px rgba(0,212,200,.1)}
.cap-card:hover::before,.cap-card:hover::after{opacity:1}
.cap-card__no{font-family:var(--mono);font-size:1rem;color:var(--cyan);letter-spacing:.1em}
.cap-card__en{font-family:var(--mono);font-size:.62rem;letter-spacing:.22em;color:var(--fg-3);float:right;margin-top:6px}
.cap-card h3{font-size:1.25rem;font-weight:700;margin:10px 0 10px}
.cap-card>p{color:var(--fg-2);font-size:.9rem;line-height:1.6}
.cap-card ul{list-style:none;margin:16px 0 0;display:flex;flex-direction:column;gap:8px}
.cap-card li{position:relative;padding-left:18px;font-size:.84rem;color:var(--fg-2)}
.cap-card li::before{content:"›";position:absolute;left:2px;top:-1px;color:var(--cyan-2);font-family:var(--mono)}
.chip{position:absolute;bottom:22px;right:22px;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;padding:3px 10px;border-radius:999px}
.chip--b{color:var(--cyan-2);border:1px solid var(--line)}
.chip--g{color:var(--warm);border:1px solid rgba(255,174,107,.4)}

/* ===== WORDS ===== */
.words{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.word-card{padding:24px;background:var(--panel);border:1px solid var(--line-soft);border-left:3px solid var(--cyan);border-radius:var(--radius);transition:transform .3s,border-color .3s}
.word-card:hover{transform:translateY(-3px);border-color:var(--line)}
.word-card__title{font-size:1.1rem;font-weight:700;margin-bottom:4px}
.word-card__src{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--fg-3);margin-bottom:14px}
.word-card__sec{margin-top:12px}
.word-card__h{font-size:.78rem;color:var(--cyan-2);font-weight:600;letter-spacing:.04em;margin-bottom:6px}
.word-card__qs{list-style:none;display:flex;flex-direction:column;gap:8px}
.word-card__qs li{position:relative;padding-left:18px;color:var(--fg);font-size:.92rem;line-height:1.55}
.word-card__qs li::before{content:"“";position:absolute;left:0;top:-2px;color:var(--cyan);font-size:1.1rem;font-family:var(--mono)}
.word-card__date{font-family:var(--mono);font-size:.66rem;color:var(--fg-3);letter-spacing:.1em;margin-top:14px}

/* ===== CONTACT ===== */
.contact{display:grid;grid-template-columns:minmax(260px,360px) 1fr;gap:20px;align-items:start}
.contact__card--wechat{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:30px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.contact__card--wechat h3{font-size:1.1rem;color:var(--cyan-2);letter-spacing:.06em}
.contact__id{font-family:var(--mono);font-size:1.3rem;font-weight:700;letter-spacing:.06em}
.contact__qr{width:170px;height:170px;border-radius:12px;overflow:hidden;background:var(--panel-2);border:1px solid var(--line-soft);display:grid;place-items:center}
.contact__qr img{width:100%;height:100%;object-fit:cover}
.qr--fallback::after{content:"QR";font-family:var(--mono);color:var(--fg-3)}
.contact__hint{color:var(--fg-3);font-size:.8rem}
.contact__list{display:flex;flex-direction:column;gap:12px}
.contact__row{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);transition:border-color .25s,transform .25s}
a.contact__row:hover{border-color:var(--line);transform:translateX(4px)}
.contact__ico{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--cyan-soft);color:var(--cyan);font-size:1.1rem;flex-shrink:0}
.contact__label{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--fg-3);width:48px;flex-shrink:0}
.contact__val{color:var(--fg);font-size:.94rem;word-break:break-word}

/* ===== FOOTER ===== */
.footer{margin-top:60px;padding-top:26px;border-top:1px solid var(--line-soft);color:var(--fg-3);font-size:.82rem;display:flex;flex-direction:column;gap:4px}
.footer__note{color:var(--fg-3);opacity:.8}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:860px){
  .hero__inner{grid-template-columns:1fr;gap:36px;text-align:left}
  .hero__avatar{order:-1;align-items:flex-start}
  .avatar-ring{width:150px}
  .contact{grid-template-columns:1fr}
  .work-group__desc{display:none}
}
@media(max-width:680px){
  .nav__links{position:fixed;top:58px;right:14px;left:14px;flex-direction:column;gap:4px;
    background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s}
  .nav__links.open{transform:none;opacity:1;pointer-events:auto}
  .nav__links a{padding:10px 12px;border-radius:10px}
  .nav__links a:hover{background:var(--cyan-soft)}
  .nav__toggle{display:block}
  .work-cards{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   CREATIVE LAYER · 创意动效（青色霓虹 / 极客风，全部 reduced-motion 降级）
   ============================================================ */

/* ---- 全局鼠标光晕 ---- */
.cursor-glow{
  position:fixed;inset:0;z-index:5;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,30%),
            rgba(0,212,200,.10), rgba(95,232,255,.05) 28%, transparent 60%);
  mix-blend-mode:screen;transition:opacity .4s;opacity:0;
}
.cursor-glow.on{opacity:1}

/* ---- 顶部滚动进度条 ---- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:60;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-2));
  box-shadow:0 0 12px var(--cyan-2);
  transform:scaleX(var(--p,0));transform-origin:left;
}

/* ---- HERO 极光 + 粒子画布 ---- */
.hero{isolation:isolate}
.hero__aurora{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.aurora__blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;mix-blend-mode:screen}
.aurora__blob--1{width:46vw;height:46vw;left:-8vw;top:-6vw;background:radial-gradient(circle,rgba(0,212,200,.45),transparent 65%);animation:drift1 18s ease-in-out infinite}
.aurora__blob--2{width:40vw;height:40vw;right:-6vw;top:10vh;background:radial-gradient(circle,rgba(95,232,255,.4),transparent 65%);animation:drift2 22s ease-in-out infinite}
.aurora__blob--3{width:34vw;height:34vw;left:30vw;bottom:-12vw;background:radial-gradient(circle,rgba(45,212,191,.35),transparent 65%);animation:drift3 26s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(6vw,5vh)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-5vw,4vh)}}
@keyframes drift3{0%,100%{transform:translate(0,0)}50%{transform:translate(4vw,-5vh)}}
.hero__canvas{position:absolute;inset:0;z-index:1;width:100%;height:100%;pointer-events:none}
.hero__inner{z-index:2}

/* ---- HERO 名字流光 ---- */
.hero__name{background-size:220% auto;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:220% center}}

/* ---- 打字机身份 ---- */
.hero__typed{color:var(--cyan-2)}
.typed__caret{display:inline-block;width:2px;height:1.05em;margin-left:2px;vertical-align:-2px;
  background:var(--cyan-2);animation:blink 1s steps(1) infinite;box-shadow:0 0 8px var(--cyan-2)}
@keyframes blink{50%{opacity:0}}

/* ---- 兴趣跑马灯 ---- */
.marquee{position:relative;overflow:hidden;padding:14px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:linear-gradient(90deg,transparent,rgba(95,232,255,.04),transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:inline-flex;gap:30px;white-space:nowrap;animation:marquee 22s linear infinite;will-change:transform}
.marquee__track span{font-family:var(--mono);font-size:.82rem;letter-spacing:.16em;color:var(--fg-3);position:relative}
.marquee__track span:not(:last-child)::after{content:"";position:absolute;right:-15px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--cyan);transform:translateY(-50%);opacity:.7}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---- 卡片 3D 倾斜（由 JS 设置 --rx/--ry）---- */
.card,.cap-card{transform-style:preserve-3d;transition:transform .25s ease, border-color .3s, box-shadow .3s}
.card.tilt,.cap-card.tilt{transform:perspective(800px) rotateX(var(--rx,0)) rotateY(var(--ry,0)) translateY(-4px)}

/* ---- 滚动揭示错峰 ---- */
.reveal{transition-delay:var(--d,0s)}

@media(prefers-reduced-motion:reduce){
  .cursor-glow,.aurora__blob,.hero__canvas,.marquee__track,.hero__name,.typed__caret{display:none!important;animation:none!important}
}

/* ============================================================
   内容交互层 · 对标「白黎」学到的手法（可交互卡 / 数据墙 / 测试 / 留言）
   ============================================================ */

/* ---- 数据证明墙 ---- */
.stats{max-width:var(--maxw);margin:0 auto;padding:6px clamp(16px,4vw,40px) 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{position:relative;overflow:hidden;padding:22px 18px;text-align:center;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius)}
.stat::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.6}
.stat__num{font-family:var(--mono);font-size:clamp(1.8rem,5vw,2.6rem);font-weight:800;line-height:1;
  background:linear-gradient(120deg,var(--cyan-2),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{margin-top:8px;font-size:.82rem;color:var(--fg-2)}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---- 志向叙事 ---- */
.purpose{max-width:var(--maxw);margin:0 auto;padding:clamp(70px,10vw,120px) clamp(16px,4vw,40px)}
.purpose__inner{max-width:780px}
.purpose__kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.3em;color:var(--cyan);margin-bottom:18px}
.purpose__line{font-size:clamp(1.9rem,6vw,3.4rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  background:linear-gradient(120deg,#fff,var(--cyan-2) 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.purpose__body{margin-top:24px;max-width:60ch;color:var(--fg-2);font-size:1.02rem;line-height:1.8}
.purpose__body strong{color:var(--fg)}

/* ---- 可交互能力卡（点击展开）---- */
.cap-card{cursor:pointer}
.cap-card ul{display:none;margin-top:14px}
.cap-card.is-open ul{display:flex;animation:capIn .35s ease}
@keyframes capIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.cap-card__toggle{margin-top:16px;display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);color:var(--cyan-2);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;padding:6px 14px;border-radius:999px;cursor:pointer;transition:.25s}
.cap-card__toggle:hover{border-color:var(--cyan);background:var(--cyan-soft)}
.cap-card.is-open{box-shadow:0 16px 44px rgba(0,0,0,.45),0 0 32px rgba(0,212,200,.14)}

/* ---- Vibe Coder 微测试 ---- */
.quiz{max-width:680px;margin:0 auto}
.quiz__card{position:relative;overflow:hidden;padding:clamp(22px,4vw,38px);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.quiz__card::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 80% -10%,rgba(0,212,200,.12),transparent 60%);pointer-events:none}
.quiz__step{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--cyan);margin-bottom:10px}
.quiz__q{font-size:1.25rem;font-weight:700;line-height:1.4;margin-bottom:20px}
.quiz__opts{display:flex;flex-direction:column;gap:12px}
.quiz__opt{display:flex;align-items:center;gap:12px;text-align:left;background:var(--panel-2);border:1px solid var(--line-soft);color:var(--fg);
  padding:15px 18px;border-radius:12px;cursor:pointer;font-size:.96rem;transition:.22s}
.quiz__opt:hover{border-color:var(--cyan);transform:translateX(4px)}
.quiz__opt.sel{border-color:var(--cyan);background:var(--cyan-soft);box-shadow:0 0 24px rgba(0,212,200,.15)}
.quiz__opt .dot{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--cyan);flex-shrink:0;transition:.2s}
.quiz__opt.sel .dot{background:var(--cyan);box-shadow:0 0 10px var(--cyan-2)}
.quiz__bar{height:4px;border-radius:999px;background:var(--line-soft);margin:20px 0 2px;overflow:hidden}
.quiz__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--cyan-2));transition:width .4s}
.quiz__result{text-align:center;padding:6px 0}
.quiz__result .badge{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;color:var(--cyan);border:1px solid var(--line);padding:4px 14px;border-radius:999px;display:inline-block;margin-bottom:16px}
.quiz__result h3{font-size:clamp(1.5rem,5vw,2.1rem);font-weight:800;margin-bottom:14px;
  background:linear-gradient(120deg,var(--cyan-2),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.quiz__result p{color:var(--fg-2);line-height:1.75;max-width:48ch;margin:0 auto 12px}
.quiz__result .line{color:var(--warm);font-weight:600}
.quiz__share{margin:20px 0 6px;color:var(--fg-3);font-size:.9rem}
.quiz__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:8px}

/* ---- 留言组件 ---- */
.msg{max-width:680px;margin:clamp(40px,6vw,64px) auto 0;padding:clamp(22px,4vw,32px);background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);text-align:center}
.msg__title{font-size:1.3rem;font-weight:800}
.msg__sub{margin:8px 0 18px;color:var(--fg-2);font-size:.9rem}
.msg__input{width:100%;min-height:96px;resize:vertical;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:12px;padding:14px;color:var(--fg);font-family:var(--sans);font-size:.95rem;line-height:1.6;transition:border-color .25s}
.msg__input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,212,200,.12)}
.msg__send{margin-top:14px}
.msg__state{margin-top:14px;color:var(--cyan-2);font-size:.92rem;font-weight:600}
.msg__state[hidden]{display:none}
.msg__count{margin-top:8px;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--fg-3);text-align:right;transition:color .25s}
.msg__count.warn{color:var(--warm)}
.msg__input.invalid{border-color:var(--warm);box-shadow:0 0 0 3px rgba(255,174,107,.16)}

/* ---- 测试结果复制按钮 ---- */
.quiz__copy{display:inline-flex;align-items:center;gap:6px}

/* ---- 全局 Toast 反馈 ---- */
.toast-wrap{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;max-width:90vw;padding:12px 20px;border-radius:999px;background:rgba(14,22,32,.92);border:1px solid var(--line);color:var(--fg);font-size:.9rem;font-weight:500;
  box-shadow:0 12px 40px rgba(0,0,0,.5),0 0 24px rgba(0,212,200,.12);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:0;transform:translateY(14px) scale(.96);transition:opacity .3s,transform .3s}
.toast.show{opacity:1;transform:none}
.toast__dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan-2);flex-shrink:0}
.toast--ok .toast__dot{background:#43e0a0;box-shadow:0 0 10px #43e0a0}
.toast--warn .toast__dot{background:var(--warm);box-shadow:0 0 10px var(--warm)}

/* ---- 点击涟漪 ---- */
.ripple{position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(0,212,200,.45),rgba(95,232,255,.15) 60%,transparent 70%);transform:translate(-50%,-50%) scale(0);pointer-events:none;animation:ripple .6s ease-out forwards}
@keyframes ripple{to{transform:translate(-50%,-50%) scale(1);opacity:0}}
.ripple-host{position:relative;overflow:hidden}

@media(prefers-reduced-motion:reduce){
  .cap-card ul{animation:none!important}
  .quiz__opt{transform:none!important}
  .toast{transition:none}
  .ripple{display:none!important}
}