/* ============ 卷毛的个人网站 · 赛车霓虹主题 ============ */

:root{
  --bg:#0a0912;
  --bg2:#120f1f;
  --panel:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --txt:#ece9f5;
  --dim:#a49dba;
  --purple:#a855f7;
  --pink:#ec4899;
  --orange:#fb923c;
  --cyan:#22d3ee;
  --grad:linear-gradient(100deg,var(--purple),var(--pink) 45%,var(--orange));
  --radius:18px;
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{ /* 背景光晕 */
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60rem 40rem at 85% -10%,rgba(168,85,247,.20),transparent 60%),
    radial-gradient(50rem 40rem at 5% 30%,rgba(251,146,60,.10),transparent 60%),
    radial-gradient(45rem 35rem at 60% 110%,rgba(236,72,153,.12),transparent 60%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:800}
p{margin:0 0 1em}

/* ---------------- nav ---------------- */
.nav{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:1.4rem;
  padding:.85rem clamp(1rem,4vw,2.5rem);
  background:rgba(10,9,18,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:baseline;gap:.5rem;margin-right:auto}
.brand-mark{font-size:1.25rem;font-weight:900;letter-spacing:.04em}
.brand-sub{font-size:.62rem;letter-spacing:.32em;color:var(--dim)}
.nav-links{display:flex;gap:1.6rem}
.nav-links a{font-size:.92rem;color:var(--dim);transition:color .2s}
.nav-links a:hover{color:var(--txt)}
.nav-cta{
  padding:.5rem 1.05rem;border-radius:999px;font-size:.9rem;font-weight:700;
  background:var(--grad);box-shadow:0 6px 22px -8px rgba(236,72,153,.85);
  transition:transform .18s,box-shadow .18s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 28px -8px rgba(236,72,153,.95)}

/* ---------------- hero ---------------- */
.hero{position:relative;min-height:calc(100vh - 60px);display:flex;align-items:center;
  padding:clamp(2rem,5vw,4rem) clamp(1rem,4vw,2.5rem) 3.5rem;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;
  background:url("assets/hero.jpg") center/cover no-repeat;opacity:.42}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,18,.55) 0%,rgba(10,9,18,.86) 62%,var(--bg) 100%)}
.hero-inner{
  width:100%;max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center;
}
.eyebrow{font-size:.74rem;letter-spacing:.3em;color:var(--orange);text-transform:uppercase;margin:0 0 1rem;font-weight:700}
.title{display:flex;flex-direction:column;gap:.25rem;margin-bottom:1.1rem}
.title-line{
  font-size:clamp(3.2rem,9vw,6rem);font-weight:900;letter-spacing:.02em;line-height:.95;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.title-race{font-size:.78rem;letter-spacing:.42em;color:var(--dim)}
.lead{max-width:34rem;color:#cfc9de;font-size:clamp(1rem,1.6vw,1.12rem);margin-bottom:1.4rem}

.chips{display:flex;flex-wrap:wrap;gap:.6rem;list-style:none;padding:0;margin:0 0 1.8rem}
.chip{
  display:inline-flex;align-items:center;gap:.45rem;padding:.42rem .95rem;
  border:1px solid var(--line);border-radius:999px;background:var(--panel);
  font-size:.9rem;font-weight:600;
}
.chip i{font-style:normal}
.chip.hot{border-color:rgba(251,146,60,.55);background:rgba(251,146,60,.12);color:#ffd7b0}

.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.82rem 1.5rem;border-radius:12px;
  font-weight:700;font-size:.98rem;transition:transform .18s,box-shadow .18s,background .18s;border:0;cursor:pointer}
.btn-primary{background:var(--grad);box-shadow:0 10px 30px -10px rgba(236,72,153,.9)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);background:var(--panel);color:var(--txt)}
.btn-ghost:hover{background:rgba(255,255,255,.09)}

.scroll-hint{position:absolute;bottom:1.2rem;left:50%;transform:translateX(-50%);
  font-size:.62rem;letter-spacing:.35em;color:var(--dim);opacity:.7}

/* ---------------- chat card ---------------- */
.chat-card{
  display:flex;flex-direction:column;
  background:rgba(18,15,31,.82);backdrop-filter:blur(18px);
  border:1px solid rgba(168,85,247,.32);border-radius:var(--radius);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.95),0 0 0 1px rgba(255,255,255,.03) inset,
             0 0 60px -20px rgba(168,85,247,.5);
  overflow:hidden;
}
.chat-head{display:flex;align-items:center;justify-content:space-between;
  padding:.9rem 1.1rem;border-bottom:1px solid var(--line);background:rgba(168,85,247,.09)}
.chat-id{display:flex;align-items:center;gap:.7rem}
.avatar,.avatar-img{width:38px;height:38px;flex:0 0 38px;border-radius:50%;object-fit:cover;display:grid;place-items:center}
.avatar{background:var(--grad);font-weight:900;font-size:1.05rem;color:#fff}
.avatar-img{border:1.5px solid rgba(168,85,247,.6)}
.chat-id strong{display:block;font-size:.98rem;line-height:1.3}
.chat-state{font-size:.75rem;color:var(--dim)}
.chat-state.on::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:#4ade80;margin-right:.35rem;vertical-align:middle}
.chat-state.off::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:#f87171;margin-right:.35rem;vertical-align:middle}
.icon-btn{background:transparent;border:1px solid var(--line);color:var(--dim);
  width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:1rem;transition:.2s}
.icon-btn:hover{color:var(--txt);border-color:rgba(255,255,255,.28)}

.banner{padding:.7rem 1.1rem;font-size:.83rem;line-height:1.55;
  background:rgba(251,146,60,.14);border-bottom:1px solid rgba(251,146,60,.35);color:#ffdcb8}
.banner code{background:rgba(0,0,0,.4);padding:.1rem .35rem;border-radius:4px;font-size:.8rem}

.chat-log{height:clamp(240px,34vh,330px);overflow-y:auto;padding:1rem 1.1rem;display:flex;flex-direction:column;gap:.7rem}
.chat-log::-webkit-scrollbar{width:6px}
.chat-log::-webkit-scrollbar-thumb{background:rgba(168,85,247,.4);border-radius:3px}
.msg{display:flex}
.msg.user{justify-content:flex-end}
.bubble{max-width:82%;padding:.62rem .9rem;border-radius:14px;font-size:.93rem;white-space:pre-wrap;word-break:break-word}
.msg.bot .bubble{background:rgba(255,255,255,.07);border:1px solid var(--line);border-top-left-radius:4px}
.msg.user .bubble{background:linear-gradient(120deg,#7c3aed,#c026d3);border-top-right-radius:4px;color:#fff}
.msg.err .bubble{background:rgba(248,113,113,.13);border:1px solid rgba(248,113,113,.45);color:#fecaca;font-size:.88rem}
.src{margin-top:.35rem;font-size:.68rem;color:var(--dim);letter-spacing:.02em}
.typing{display:inline-flex;gap:4px;align-items:center;padding:.7rem .9rem}
.typing span{width:6px;height:6px;border-radius:50%;background:var(--purple);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

.quick{display:flex;gap:.5rem;padding:0 1.1rem .7rem;overflow-x:auto;scrollbar-width:none}
.quick::-webkit-scrollbar{display:none}
.qbtn{flex:0 0 auto;padding:.4rem .8rem;border-radius:999px;font-size:.78rem;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--dim);transition:.2s}
.qbtn:hover{color:var(--txt);border-color:rgba(168,85,247,.6);background:rgba(168,85,247,.14)}

.chat-input{display:flex;gap:.6rem;align-items:flex-end;padding:.8rem 1.1rem;border-top:1px solid var(--line)}
.chat-input textarea{
  flex:1;resize:none;max-height:120px;padding:.65rem .85rem;border-radius:12px;
  background:rgba(0,0,0,.35);border:1px solid var(--line);color:var(--txt);
  font:inherit;font-size:.93rem;line-height:1.5;outline:none;transition:border-color .2s;
}
.chat-input textarea:focus{border-color:rgba(168,85,247,.65)}
.send-btn{flex:0 0 42px;height:42px;display:grid;place-items:center;border:0;border-radius:12px;
  background:var(--grad);color:#fff;cursor:pointer;transition:transform .18s,opacity .2s}
.send-btn:hover:not(:disabled){transform:scale(1.06)}
.send-btn:disabled{opacity:.45;cursor:not-allowed}
.chat-foot{margin:0;padding:.1rem 1.1rem .85rem;font-size:.68rem;color:var(--dim);letter-spacing:.02em}

/* ---------------- sections ---------------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(3.5rem,8vw,6.5rem) clamp(1rem,4vw,2.5rem)}
.sec-title{font-size:clamp(1.7rem,3.6vw,2.5rem);display:flex;align-items:center;gap:.8rem;margin-bottom:1.6rem}
.sec-title span{font-size:.9rem;font-weight:800;color:var(--orange);letter-spacing:.2em;
  border:1px solid rgba(251,146,60,.4);border-radius:8px;padding:.15rem .5rem}
.sec-lead{max-width:44rem;color:#cfc9de;margin-bottom:2rem}
.sub-title{font-size:1.15rem;margin:2.8rem 0 1.1rem;color:#f1ecff}
.note{max-width:46rem;padding:.9rem 1.1rem;border-left:3px solid var(--orange);
  background:rgba(251,146,60,.08);border-radius:0 10px 10px 0;font-size:.9rem;color:#e6dcc8}

.profile{display:grid;grid-template-columns:300px 1fr;gap:clamp(1.2rem,3vw,2.4rem);align-items:center;
  margin-bottom:2.4rem;padding:1.4rem;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line)}
.profile-photo{margin:0;position:relative}
.profile-photo img{width:100%;border-radius:14px;aspect-ratio:4/3;object-fit:cover;
  border:1px solid rgba(168,85,247,.35);box-shadow:0 20px 45px -22px rgba(0,0,0,.9)}
.profile-photo figcaption{margin-top:.6rem;font-size:.72rem;letter-spacing:.22em;color:var(--orange);text-align:center}
.profile-text p{color:#cfc9de;font-size:1rem;margin-bottom:.9rem}
.profile-lead{font-size:1.12rem!important;color:var(--txt)!important;font-weight:600}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin-bottom:1.6rem}.card{padding:1.5rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);
  transition:transform .22s,border-color .22s}
.card:hover{transform:translateY(-4px);border-color:rgba(168,85,247,.45)}
.card-num{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;margin-bottom:.9rem;
  background:linear-gradient(135deg,rgba(168,85,247,.28),rgba(251,146,60,.22));font-weight:900}
.card h3{font-size:1.08rem;margin-bottom:.4rem}
.card p{color:var(--dim);font-size:.92rem;margin:0}

.hobby-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}
.hobby{position:relative;padding:1.9rem;border-radius:var(--radius);border:1px solid var(--line);
  background:var(--panel);overflow:hidden}
.hobby::before{content:"";position:absolute;inset:0 auto 0 0;width:4px}
.hobby.ice::before{background:linear-gradient(180deg,#22d3ee,#3b82f6)}
.hobby.kart::before{background:linear-gradient(180deg,#fb923c,#ef4444)}
.hobby-tag{font-size:.64rem;letter-spacing:.3em;color:var(--dim);margin-bottom:.7rem}
.hobby h3{font-size:1.45rem}
.hobby p{color:#c8c2d8;font-size:.95rem}
.fact-list{list-style:none;padding:0;margin:1.2rem 0 0;display:flex;flex-direction:column;gap:.6rem}
.fact-list li{display:flex;gap:.7rem;align-items:baseline;font-size:.88rem;color:var(--dim);
  padding-top:.6rem;border-top:1px dashed var(--line)}
.fact-list b{color:var(--txt);flex:0 0 3.6em;font-size:.9rem}
.fact-list span{margin-left:auto;text-align:right}

/* ---------------- NFS ---------------- */
.nfs{position:relative}
.spotlight{display:grid;grid-template-columns:280px 1fr;gap:1.6rem;align-items:stretch;
  padding:1.5rem;border-radius:var(--radius);border:1px solid rgba(168,85,247,.3);
  background:linear-gradient(140deg,rgba(168,85,247,.14),rgba(10,9,18,.5) 60%);
  box-shadow:0 25px 60px -35px rgba(168,85,247,.7)}
.spot-cover{position:relative;border-radius:14px;overflow:hidden;min-height:200px;
  background:linear-gradient(160deg,#1e1035,#0a0912 70%),#1e1035;display:grid;place-items:center}
.cover-glow{position:absolute;inset:0;
  background:radial-gradient(18rem 12rem at 30% 20%,rgba(168,85,247,.55),transparent 65%),
             radial-gradient(14rem 10rem at 80% 90%,rgba(251,146,60,.4),transparent 65%)}
.cover-glow::after{content:"";position:absolute;inset:0;opacity:.5;
  background:repeating-linear-gradient(115deg,transparent 0 22px,rgba(255,255,255,.07) 22px 24px)}
.cover-text{position:relative;text-align:center}
.cover-text span{display:block;font-size:.82rem;letter-spacing:.32em;font-weight:800;color:#fff;
  text-shadow:0 0 22px rgba(168,85,247,.95)}
.cover-text strong{display:block;font-size:3.6rem;font-weight:900;line-height:1;margin-top:.25rem;
  background:linear-gradient(180deg,#fff,#a855f7);-webkit-background-clip:text;background-clip:text;color:transparent}
.spot-body h3{font-size:1.4rem;margin-bottom:.6rem}
.spot-body p{color:#cdc7dd;font-size:.96rem}
.spot-body b{color:#ffd7b0}
.quote{margin-top:1rem;padding:.9rem 1.1rem;border-radius:12px;background:rgba(0,0,0,.32);
  border-left:3px solid var(--cyan);font-size:.9rem;color:#bfe9f5}

.timeline{display:flex;flex-direction:column;gap:.55rem;position:relative;padding-left:.4rem}
.timeline::before{content:"";position:absolute;left:4.3rem;top:.6rem;bottom:.6rem;width:1px;
  background:linear-gradient(180deg,rgba(168,85,247,.6),rgba(251,146,60,.5))}
.tl-item{display:grid;grid-template-columns:4rem 1fr;gap:1.2rem;align-items:start;
  padding:.75rem 1rem;border-radius:12px;border:1px solid transparent;transition:.22s}
.tl-item:hover{background:rgba(255,255,255,.045);border-color:var(--line)}
.tl-item::after{content:"";position:absolute;left:4.05rem;width:7px;height:7px;border-radius:50%;
  background:var(--purple);box-shadow:0 0 12px var(--purple);margin-top:.95rem}
.tl-year{font-size:.82rem;font-weight:800;color:var(--orange);letter-spacing:.05em;padding-top:.15rem}
.tl-item b{display:block;font-size:1rem}
.tl-item i{font-style:normal;font-size:.88rem;color:var(--dim)}
.tl-item.hl{background:rgba(168,85,247,.12);border-color:rgba(168,85,247,.4)}
.tl-item.hl b{color:#e9d5ff}

.cars{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem}
.car{padding:1.1rem;border-radius:14px;background:var(--panel);border:1px solid var(--line);transition:.22s}
.car:hover{border-color:rgba(251,146,60,.5);transform:translateY(-3px)}
.car b{display:block;font-size:.97rem;margin-bottom:.2rem}
.car span{font-size:.8rem;color:var(--dim)}

.nfs-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.2rem;
  padding-top:1.8rem;border-top:1px solid var(--line)}
.nfs-facts strong{display:block;font-size:1.6rem;font-weight:900;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nfs-facts span{font-size:.86rem;color:var(--dim)}

/* ---------------- cta / footer ---------------- */
.cta-band{text-align:center;max-width:none;
  background:linear-gradient(120deg,rgba(168,85,247,.16),rgba(251,146,60,.12));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-inner{max-width:var(--maxw);margin:0 auto}
.cta-band h2{font-size:clamp(1.6rem,3.5vw,2.2rem)}
.cta-band p{color:#d6d0e4;margin-bottom:1.5rem}

.footer{padding:2.5rem clamp(1rem,4vw,2.5rem);max-width:var(--maxw);margin:0 auto;
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  font-size:.85rem;color:var(--dim)}
.footer strong{color:var(--txt)}
.dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--dim);margin:0 .6rem;vertical-align:middle}
.foot-right{font-size:.78rem;opacity:.8}
.foot-right code{background:rgba(255,255,255,.07);padding:.1rem .35rem;border-radius:4px}

.fab{position:fixed;right:1.2rem;bottom:1.2rem;z-index:70;display:none;
  width:56px;height:56px;border-radius:50%;place-items:center;font-size:1.4rem;
  background:var(--grad);box-shadow:0 12px 30px -8px rgba(236,72,153,.95)}
.fab-pulse{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(236,72,153,.7);
  animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.5);opacity:0}}

/* ---------------- responsive ---------------- */
@media (max-width:900px){
  .nav-links{display:none}
  .hero-inner{grid-template-columns:1fr}
  .hero{min-height:auto}
  .grid-3,.hobby-grid,.cars,.nfs-facts{grid-template-columns:1fr 1fr}
  .profile{grid-template-columns:1fr}
  .spotlight{grid-template-columns:1fr}
  .cars{grid-template-columns:1fr 1fr}
  .fab{display:grid}
  .chat-log{height:300px}
}
@media (max-width:600px){
  .grid-3,.hobby-grid,.cars,.nfs-facts{grid-template-columns:1fr}
  .fact-list span{text-align:left;margin-left:0}
  .fact-list li{flex-direction:column;gap:.15rem}
  .timeline::before{left:3.4rem}
  .tl-item::after{left:3.15rem}
  .tl-item{grid-template-columns:3rem 1fr;gap:.8rem}
  .title-line{font-size:clamp(2.6rem,14vw,3.6rem)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}