*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#0e1116; --bg2:#151a22; --card:#1a2029; --line:#252c38;
  --tx:#e9ecf1; --tx2:#98a2b3; --tx3:#6b7484;
  --acc:#ff8a3d; --acc2:#ffb27a; --ok:#4ade80;
}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--tx);
  font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:760px}
h1,h2,h3{line-height:1.3;margin:0}
em{font-style:normal}
a{color:inherit}

/* ---------- hero ---------- */
.hero{position:relative;padding:88px 0 76px;background:var(--bg);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:url(/img/hero.jpg) center/cover no-repeat;opacity:.5;z-index:0}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(900px 420px at 50% -12%,rgba(255,138,61,.18),transparent 70%),
    linear-gradient(180deg,rgba(14,17,22,.55) 0%,rgba(14,17,22,.72) 55%,var(--bg) 100%)}
.hero .wrap{position:relative;z-index:2}
.eyebrow{margin:0 0 22px;color:var(--acc2);font-size:14px;letter-spacing:.04em}
.hero h1{font-size:clamp(34px,6.4vw,60px);font-weight:800;letter-spacing:-.02em}
.hero h1 em{color:var(--acc)}
.lead{margin:26px 0 0;font-size:clamp(17px,2.4vw,21px);color:var(--tx)}
.lead strong{color:var(--acc2)}
.sub{margin:16px 0 0;font-size:15px;color:var(--tx2);line-height:1.8}
.btn-primary{
  display:inline-block;margin:34px 0 0;padding:15px 30px;border-radius:10px;
  background:var(--acc);color:#1a0e05;font-size:16px;font-weight:700;
  text-decoration:none;transition:transform .15s,box-shadow .15s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,138,61,.32)}
.btn-note{margin:12px 0 0;font-size:13px;color:var(--tx3)}

/* ---------- section base ---------- */
.section{padding:76px 0;border-top:1px solid var(--line)}
.section.alt{background:var(--bg2)}
.section h2{font-size:clamp(23px,3.4vw,31px);font-weight:700;letter-spacing:-.01em}
.section-sub{margin:14px 0 40px;color:var(--tx2);font-size:15px;line-height:1.8}

/* ---------- works ---------- */
.works{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.work{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0;
  overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s,transform .15s}
.work:hover{border-color:var(--acc);transform:translateY(-3px)}
.work-thumb{aspect-ratio:16/10;overflow:hidden;background:#11151c;border-bottom:1px solid var(--line)}
.work-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.work-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.work h3{font-size:17px;margin:0 0 8px}
.work p{margin:0 0 16px;font-size:14px;color:var(--tx2);flex:1}
.work-meta{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.chip{font-size:12px;padding:3px 9px;border-radius:20px;background:#232a35;color:var(--tx2)}
.chip.time{background:rgba(255,138,61,.14);color:var(--acc2)}
.work a{font-size:14px;font-weight:600;color:var(--acc);text-decoration:none}
.work a::after{content:" \2192"}
.work.soon{opacity:.62}
.work.soon .chip.time{background:#232a35;color:var(--tx3)}
.works-note{margin:26px 0 0;font-size:14px;color:var(--tx3)}

/* ---------- intro（关于我，散文式，不暴露具体履历） ---------- */
.intro{display:flex;flex-direction:column;gap:18px;
  padding:26px 28px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;border-left:3px solid var(--acc)}
.intro p{margin:0;font-size:15.5px;line-height:1.86;color:var(--tx2)}
.intro strong{color:var(--tx);font-weight:700}
.intro em{color:var(--acc2);font-weight:600;font-style:normal}
blockquote{margin:34px 0 0;padding:22px 26px;background:var(--card);
  border-left:3px solid var(--acc);border-radius:0 10px 10px 0;
  font-size:15.5px;color:var(--tx2);line-height:1.85}
blockquote strong{color:var(--tx)}

/* ---------- pain ---------- */
.pain-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.pain{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
.pain span{font-size:13px;color:var(--acc);font-weight:700;letter-spacing:.06em}
.pain h3{font-size:16.5px;margin:10px 0 10px}
.pain p{margin:0;font-size:14.5px;color:var(--tx2)}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 24px}
.step-no{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.1em;
  color:#1a0e05;background:var(--acc);padding:3px 9px;border-radius:5px}
.step h3{font-size:17px;margin:14px 0 10px}
.step p{margin:0;font-size:14.5px;color:var(--tx2)}
.steps-note{margin:28px 0 0;padding:18px 22px;background:var(--card);
  border-radius:10px;font-size:15px;color:var(--tx2)}
.steps-note strong{color:var(--acc2)}

/* ---------- credit ---------- */
.credit-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.credit{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.credit.hi{border-color:var(--acc);background:linear-gradient(160deg,rgba(255,138,61,.1),var(--card))}
.credit-tag{display:inline-block;font-size:12px;color:var(--acc2);margin-bottom:8px}
.credit h3{font-size:16px;margin:0 0 9px}
.credit p{margin:0;font-size:14px;color:var(--tx2)}
.credit-note{margin:26px 0 0;font-size:14.5px;color:var(--tx3);line-height:1.8}
.credit-note strong{color:var(--tx2)}

/* ---------- ways ---------- */
.ways{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.way{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 24px}
.way.hi{border-color:var(--acc);box-shadow:0 0 0 1px rgba(255,138,61,.2)}
.way h3{font-size:18px;margin:0 0 8px}
.way-for{margin:0 0 16px;font-size:13px;color:var(--acc2)}
.way ul{margin:0;padding-left:18px}
.way li{font-size:14.5px;color:var(--tx2);margin-bottom:8px}
.ways-note{margin:28px 0 0;padding:20px 22px;background:rgba(74,222,128,.07);
  border:1px solid rgba(74,222,128,.2);border-radius:10px;font-size:14.5px;color:var(--tx2);line-height:1.85}
.ways-note strong{color:var(--ok)}

/* ---------- logs ---------- */
.logs{display:flex;flex-direction:column;gap:14px}
.log{display:flex;gap:20px;background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:20px 22px}
.log-d{flex:0 0 72px;font-size:13px;color:var(--acc);font-weight:600;padding-top:3px}
.log p{margin:0;font-size:14.5px;color:var(--tx2)}
.log strong{display:block;color:var(--tx);margin-bottom:5px;font-size:15px}

/* ---------- diagnose ---------- */
.section.diag{background:
  radial-gradient(700px 340px at 50% 0%,rgba(255,138,61,.13),transparent 70%),var(--bg)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px 28px}
.prog{height:5px;background:#232a35;border-radius:3px;overflow:hidden}
.prog-bar{height:100%;width:20%;background:var(--acc);border-radius:3px;transition:width .3s}
.prog-txt{margin:12px 0 24px;font-size:13px;color:var(--tx3)}
.q{font-size:19px;font-weight:600;margin:0 0 20px;line-height:1.5}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{text-align:left;padding:15px 18px;background:#212836;border:1px solid var(--line);
  border-radius:9px;color:var(--tx);font-size:15px;font-family:inherit;cursor:pointer;
  transition:border-color .13s,background .13s}
.opt:hover{border-color:var(--acc);background:#262e3d}
.nav{margin:22px 0 0;display:flex;justify-content:space-between;align-items:center}
.back{background:none;border:none;color:var(--tx3);font-size:14px;font-family:inherit;
  cursor:pointer;padding:6px 0}
.back:hover{color:var(--tx2)}
textarea,input[type=text]{width:100%;padding:14px 16px;background:#212836;
  border:1px solid var(--line);border-radius:9px;color:var(--tx);font:15px/1.6 inherit;resize:vertical}
textarea:focus,input:focus{outline:none;border-color:var(--acc)}

/* result */
.verdict{display:inline-block;padding:6px 15px;border-radius:20px;font-size:14px;
  font-weight:700;margin-bottom:18px}
.v-yes{background:rgba(74,222,128,.16);color:var(--ok)}
.v-mid{background:rgba(255,178,122,.16);color:var(--acc2)}
.v-no{background:rgba(148,163,184,.16);color:var(--tx2)}
.r-h{font-size:21px;font-weight:700;margin:0 0 14px;line-height:1.45}
.r-p{margin:0 0 20px;font-size:15px;color:var(--tx2);line-height:1.85}
.r-block{margin:0 0 22px;padding:18px 20px;background:#212836;border-radius:10px}
.r-block h4{margin:0 0 12px;font-size:14px;color:var(--acc2);letter-spacing:.03em}
.r-steps{margin:0;padding-left:20px}
.r-steps li{font-size:14.5px;color:var(--tx2);margin-bottom:9px}
.r-steps li.stuck{color:var(--acc2);font-weight:600}
.gate{margin:26px 0 0;padding:24px;background:linear-gradient(160deg,rgba(255,138,61,.11),#212836);
  border:1px solid rgba(255,138,61,.28);border-radius:12px}
.gate h4{margin:0 0 8px;font-size:17px;color:var(--tx)}
.gate .g-sub{margin:0 0 18px;font-size:14px;color:var(--tx2);line-height:1.8}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:var(--tx2);margin-bottom:7px}
.privacy{margin:14px 0 0;font-size:12.5px;color:var(--tx3);line-height:1.7}
.btn-sub{width:100%;padding:15px;background:var(--acc);border:none;border-radius:9px;
  color:#1a0e05;font-size:16px;font-weight:700;font-family:inherit;cursor:pointer}
.btn-sub:hover{filter:brightness(1.07)}
.restart{margin:20px 0 0;text-align:center}
.restart button{background:none;border:none;color:var(--tx3);font-size:14px;
  font-family:inherit;cursor:pointer;text-decoration:underline}

/* ---------- faq / foot ---------- */
details{background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:16px 20px;margin-bottom:11px}
summary{cursor:pointer;font-size:15.5px;font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"+ ";color:var(--acc);font-weight:800}
details[open] summary::before{content:"\2212 "}
details p{margin:14px 0 0;font-size:14.5px;color:var(--tx2);line-height:1.85}
.foot{padding:40px 0 56px;border-top:1px solid var(--line);background:var(--bg2)}
.foot p{margin:0 0 10px;font-size:14px;color:var(--tx2)}
.foot-sm{font-size:12.5px !important;color:var(--tx3) !important;line-height:1.75}

@media(max-width:640px){
  .hero{padding:60px 0 52px}
  .section{padding:56px 0}
  .log{flex-direction:column;gap:8px}
  .log-d{flex:none}
  .intro{padding:22px 20px}
  .intro p{font-size:15px;line-height:1.82}
  .card{padding:24px 20px}
}