/* ============================================================
   李骁 · 骁哥AI — personal portal
   Design: deep ink canvas, warm gold accent, editorial type
   ============================================================ */

/* ============ self-hosted latin webfonts ============ */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/Inter-400-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/Inter-400-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/Inter-500-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/Inter-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/Inter-600-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/Inter-600-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/PlayfairDisplay-500-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/PlayfairDisplay-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/PlayfairDisplay-600-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/PlayfairDisplay-600-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/PlayfairDisplay-700-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/PlayfairDisplay-700-latin.woff2') format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}

:root {
  --ink: #08080A;
  --ink-2: #0D0D10;
  --ink-3: #131318;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #F4F1EA;
  --text-dim: #A5A19A;
  --text-mute: #6E6A64;
  --gold: #D8A556;
  --gold-soft: #EBC583;
  --gold-deep: #8A6326;
  --accent-glow: rgba(216, 165, 86, 0.28);

  --font-display: "Playfair Display", "Songti SC", "Noto Serif CJK SC", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, monospace;

  --pad: clamp(20px, 5vw, 88px);
  --max: 1280px;
  --radius: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; }
::selection { background: var(--gold); color: #0A0A0B; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  padding: 12px 18px; background: var(--gold); color: #17120A;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- ambient layers ---------- */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
}

.spotlight {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(680px circle at var(--mx, 50%) var(--my, 20%),
    rgba(216, 165, 86, 0.07), transparent 62%);
  transition: background 0.25s linear;
}

.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 1000;
  background: transparent;
}
.progress span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-soft));
  box-shadow: 0 0 14px var(--accent-glow);
}

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; gap: 26px;
  padding: 18px var(--pad);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease),
    border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 12px var(--pad);
  background: rgba(8, 8, 10, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark {
  width: 38px; height: 38px; flex: 0 0 38px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(150deg, rgba(216, 165, 86, 0.2), rgba(216, 165, 86, 0.04));
  border: 1px solid rgba(216, 165, 86, 0.34);
  color: var(--gold-soft);
  font-family: var(--font-display);
  font-size: 19px; font-weight: 600; line-height: 1;
}
.brand-text {
  display: flex; flex-direction: column; gap: 2px;
  font-size: 14.5px; font-weight: 600; letter-spacing: 0.02em;
}
.brand-text em {
  font-style: normal; font-size: 10px; font-weight: 400;
  letter-spacing: 0.16em; color: var(--text-mute); text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  position: relative; font-size: 13.5px; color: var(--text-dim);
  transition: color 0.3s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px;
  width: var(--after-w, 0); background: var(--gold);
  transition: width 0.35s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 999px;
  font-size: 13px; color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover {
  border-color: rgba(216, 165, 86, 0.55);
  color: var(--gold-soft);
  background: rgba(216, 165, 86, 0.07);
}

.nav-toggle {
  display: none; width: 40px; height: 40px; padding: 0;
  place-content: center; gap: 5px;
  background: transparent; border: 1px solid var(--line-strong);
  border-radius: 10px; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 16px; height: 1.5px; background: var(--text);
  transition: transform 0.3s var(--ease);
}

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(120px, 15vw, 180px) var(--pad) 0;
  min-height: 100svh; display: flex; flex-direction: column;
  justify-content: center;
}
.hero-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(900px circle at 78% 18%, rgba(216, 165, 86, 0.13), transparent 62%),
    radial-gradient(700px circle at 6% 82%, rgba(120, 140, 190, 0.07), transparent 60%);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--max); width: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(30px, 5vw, 72px); align-items: center;
  padding-bottom: 40px;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11.5px; letter-spacing: 0.14em; color: var(--text-mute);
  text-transform: uppercase;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 4px rgba(216, 165, 86, 0.13);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(216, 165, 86, 0.13); }
  50% { box-shadow: 0 0 0 9px rgba(216, 165, 86, 0.02); }
}

.headline {
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 5.2vw, 72px);
  line-height: 1.16; font-weight: 600; letter-spacing: -0.015em;
}
.headline .line { display: block; }
.headline .line:nth-child(2) { padding-left: 0.06em; }
.hl {
  position: relative; color: var(--gold-soft);
  background: linear-gradient(100deg, var(--gold-soft), var(--gold) 55%, var(--gold-deep));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hl::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.08em; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0.55;
}

.lede {
  margin-top: 26px; max-width: 48ch;
  font-size: clamp(14.5px, 1.1vw, 16px);
  color: var(--text-dim); line-height: 1.9;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px; border-radius: 999px;
  font-size: 14px; font-weight: 550; letter-spacing: 0.02em;
  transition: all 0.4s var(--ease); border: 1px solid transparent;
  cursor: pointer; will-change: transform;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold) 60%, #B98433);
  color: #17120A;
  box-shadow: 0 12px 34px rgba(216, 165, 86, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.42);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 46px rgba(216, 165, 86, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.btn-ghost {
  border-color: var(--line-strong); color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover {
  border-color: rgba(216, 165, 86, 0.55); color: var(--gold-soft);
  background: rgba(216, 165, 86, 0.06); transform: translateY(-2px);
}
.btn-block { width: 100%; }

.stats {
  display: flex; gap: clamp(22px, 4vw, 52px); margin-top: 52px;
  padding-top: 26px; border-top: 1px solid var(--line);
}
.stat dt {
  font-family: var(--font-display); font-size: clamp(25px, 2.5vw, 34px);
  font-weight: 600; line-height: 1; color: var(--text);
  letter-spacing: -0.01em;
}
.stat dt span { font-size: 0.6em; color: var(--gold); margin-left: 2px; font-family: var(--font-body); font-weight: 500; }
.stat dd { margin-top: 9px; font-size: 11.5px; color: var(--text-mute); letter-spacing: 0.03em; }

/* portrait */
.hero-visual { position: relative; display: grid; place-items: center; }
.portrait-frame { position: relative; width: min(100%, 410px); aspect-ratio: 1 / 1.13; }
.portrait-img {
  position: relative; width: 100%; height: 100%;
  border-radius: 24px; overflow: hidden;
  background: var(--ink-3);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--line);
}
.portrait-img img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 22%;
  filter: saturate(0.92) contrast(1.04);
  transition: transform 1.2s var(--ease);
}
.portrait-frame:hover .portrait-img img { transform: scale(1.035); }
.portrait-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 8, 10, 0.5) 100%);
  pointer-events: none;
}

.portrait-ring {
  position: absolute; inset: -18px; border-radius: 34px;
  border: 1px solid rgba(216, 165, 86, 0.2);
  pointer-events: none;
}
.portrait-ring::before {
  content: ""; position: absolute; top: -4px; left: 22%; width: 34%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  filter: blur(0.5px);
}

.tag {
  position: absolute; white-space: nowrap;
  padding: 7px 14px; border-radius: 999px;
  font-size: 11.5px; letter-spacing: 0.03em; color: var(--text);
  background: rgba(14, 14, 17, 0.82);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  animation: bob 7s ease-in-out infinite;
}
.tag::before {
  content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); margin-right: 8px; vertical-align: 2px;
}
.tag-1 { top: 7%; left: -15%; animation-delay: 0s; }
.tag-2 { bottom: 21%; right: -12%; animation-delay: 1.6s; }
.tag-3 { bottom: -3%; left: 4%; animation-delay: 3.1s; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-bottom {
  position: relative; z-index: 1;
  max-width: var(--max); width: 100%; margin: 24px auto 0;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 0 26px; border-top: 1px solid var(--line);
}
.scroll-hint {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 11.5px; letter-spacing: 0.16em; color: var(--text-mute);
  text-transform: uppercase;
}
.scroll-line {
  position: relative; width: 46px; height: 1px; background: var(--line-strong); overflow: hidden;
}
.scroll-line::after {
  content: ""; position: absolute; inset: 0; width: 40%;
  background: var(--gold); animation: slide 2.4s var(--ease) infinite;
}
@keyframes slide {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(260%); }
}
.hero-note { font-size: 12px; color: var(--text-mute); text-align: right; }

/* ---------- marquee ---------- */
.marquee {
  overflow: hidden; border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
  padding: 16px 0;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex; align-items: center; gap: 26px; width: max-content;
  animation: scrollx 42s linear infinite;
  font-size: 13px; letter-spacing: 0.08em; color: var(--text-mute);
}
.marquee-track span:nth-child(even) { color: var(--gold-deep); }
@keyframes scrollx {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- sections ---------- */
.section {
  position: relative; z-index: 1;
  max-width: var(--max); margin: 0 auto;
  padding: clamp(76px, 10vw, 138px) var(--pad) 0;
}

.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "index title" ". desc";
  column-gap: clamp(16px, 2.4vw, 34px); row-gap: 14px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(36px, 5vw, 64px);
}
.index {
  grid-area: index;
  font-family: var(--font-mono); font-size: 12px; color: var(--gold);
  letter-spacing: 0.1em; padding-top: 0.9em;
}
.section-title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 600; line-height: 1.26; letter-spacing: -0.01em;
}
.section-title em {
  display: block; margin-top: 10px;
  font-family: var(--font-mono); font-style: normal;
  font-size: 11px; letter-spacing: 0.32em; color: var(--text-mute);
  font-weight: 400;
}
.section-desc { grid-area: desc; max-width: 58ch; color: var(--text-dim); font-size: 14.5px; }

/* ---------- 01 fit ---------- */
.fit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); }
.fit {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 28px 24px; border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(255, 255, 255, 0.042), rgba(255, 255, 255, 0.008));
  transition: transform 0.5s var(--ease), border-color 0.5s, background 0.5s;
}
.fit:hover {
  transform: translateY(-6px);
  border-color: rgba(216, 165, 86, 0.3);
  background: linear-gradient(168deg, rgba(216, 165, 86, 0.075), rgba(255, 255, 255, 0.012));
}
.fit-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.fit-no {
  font-family: var(--font-display); font-size: 30px; line-height: 1;
  color: rgba(216, 165, 86, 0.55); font-weight: 600;
}
.fit-tag {
  font-size: 10.5px; letter-spacing: 0.14em; color: var(--text-mute);
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-strong);
  text-transform: uppercase;
}
.fit h3 {
  font-family: var(--font-display); font-size: clamp(18px, 1.7vw, 21px);
  font-weight: 600; line-height: 1.45; margin-bottom: 14px;
}
.fit-pain {
  font-size: 13.5px; color: var(--text-dim); line-height: 1.85;
  padding-bottom: 16px; margin-bottom: 16px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  flex: 1;
}
.fit-solve { font-size: 13.5px; color: var(--text-dim); line-height: 1.85; }
.fit-solve b { color: var(--gold-soft); font-weight: 600; }
.fit-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px; font-size: 12.5px; color: var(--gold);
  letter-spacing: 0.03em;
}
.fit-link span { transition: transform 0.35s var(--ease); }
.fit:hover .fit-link span { transform: translateX(4px); }

/* ---------- 02 services ---------- */
.svc-list { display: grid; gap: clamp(16px, 2vw, 22px); }
.svc {
  border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--ink-2); overflow: hidden;
  transition: border-color 0.5s, background 0.5s;
}
.svc:hover { border-color: rgba(216, 165, 86, 0.26); background: #0F0F12; }
.svc-head {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: clamp(14px, 2vw, 26px);
  padding: 24px 28px; border-bottom: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.028), transparent 70%);
}
.svc-no { font-family: var(--font-mono); font-size: 12px; color: var(--gold); letter-spacing: 0.1em; }
.svc-head h3 {
  font-family: var(--font-display); font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 600; line-height: 1.35; margin-bottom: 5px;
}
.svc-sub { font-size: 12px; color: var(--text-mute); letter-spacing: 0.05em; }
.svc-badge {
  font-size: 10.5px; letter-spacing: 0.08em; color: var(--text-dim);
  padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line-strong);
  white-space: nowrap;
}
.svc-badge.badge-hot {
  color: var(--gold-soft); border-color: rgba(216, 165, 86, 0.45);
  background: rgba(216, 165, 86, 0.08);
}
.svc-body { padding: 26px 28px 28px; display: grid; gap: 22px; }
.svc-desc { font-size: 14px; color: var(--text-dim); line-height: 1.9; max-width: 72ch; }
.svc-spec {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
}
.svc-spec > div {
  background: var(--ink-2); padding: 15px 18px;
  display: grid; grid-template-columns: 58px 1fr; gap: 12px; align-items: baseline;
}
.svc-spec dt { font-size: 11.5px; color: var(--gold-deep); letter-spacing: 0.06em; }
.svc-spec dd { font-size: 13px; color: var(--text); line-height: 1.7; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  font-size: 11.5px; padding: 5px 12px; border-radius: 999px;
  color: var(--text-dim); border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
}
.svc-note {
  margin-top: 24px; font-size: 12.5px; color: var(--text-mute);
  padding-left: 16px; border-left: 2px solid var(--gold-deep); line-height: 1.85;
}

/* ---------- 03 track ---------- */
.track-wrap { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: clamp(28px, 4vw, 60px); align-items: start; }
.timeline { position: relative; display: grid; gap: 4px; }
.timeline::before {
  content: ""; position: absolute; left: 74px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-strong) 8%, var(--line-strong) 92%, transparent);
}
.timeline li {
  position: relative; display: grid; grid-template-columns: 74px 1fr;
  gap: clamp(16px, 2.4vw, 30px); padding: 22px 0;
}
.timeline li::before {
  content: ""; position: absolute; left: 71px; top: 34px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ink); border: 1.5px solid rgba(216, 165, 86, 0.7);
  box-shadow: 0 0 0 4px rgba(8, 8, 10, 1);
}
.tl-year {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--gold);
  letter-spacing: 0.06em; padding-top: 4px; text-align: right;
  padding-right: 18px;
}
.tl-body h3 {
  font-family: var(--font-display); font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 600; line-height: 1.5; margin-bottom: 9px;
}
.tl-body p { font-size: 13.5px; color: var(--text-dim); line-height: 1.9; margin-bottom: 14px; }

.track-side { display: grid; gap: 18px; }
.shot {
  border-radius: 16px; border: 1px solid var(--line); overflow: hidden;
  background: var(--ink-2);
}
.shot-media {
  position: relative; height: 148px; display: grid; place-content: center; gap: 7px;
  text-align: center; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 30% 28%, rgba(216, 165, 86, 0.16), transparent 62%),
    linear-gradient(140deg, #17140E, #0C0C0F);
  overflow: hidden;
}
.shot-media::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
}
.shot-media.alt { background: radial-gradient(circle at 72% 26%, rgba(126, 168, 214, 0.16), transparent 60%), linear-gradient(140deg, #0F1317, #0C0C0F); }
.shot-media.alt2 { background: radial-gradient(circle at 50% 20%, rgba(198, 148, 216, 0.14), transparent 62%), linear-gradient(140deg, #14101A, #0C0C0F); }
.shot-media span {
  position: relative; z-index: 1;
  font-family: var(--font-display); font-size: 17px; letter-spacing: 0.08em;
}
.shot-media em {
  position: relative; z-index: 1;
  font-family: var(--font-mono); font-style: normal;
  font-size: 9px; letter-spacing: 0.26em; color: var(--text-mute);
}
.shot p { padding: 12px 16px; font-size: 12px; color: var(--text-mute); }

/* ---------- 04 about ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.about-text p { color: var(--text-dim); font-size: 15px; line-height: 1.95; margin-bottom: 20px; }
.about-lead {
  font-size: clamp(19px, 1.9vw, 25px) !important; line-height: 1.7 !important;
  color: var(--text) !important; font-family: var(--font-display);
  letter-spacing: -0.005em; margin-bottom: 26px !important;
}
.about-lead strong { color: var(--gold-soft); font-weight: 600; }
.about-sign { font-size: 13px !important; color: var(--text-mute) !important; letter-spacing: 0.08em; }

.fact-card {
  position: relative; padding: 30px 30px 24px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--line);
  overflow: hidden;
}
.fact-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(216, 165, 86, 0.55), transparent);
}
.fact-title {
  font-size: 12px; letter-spacing: 0.18em; color: var(--text-mute);
  text-transform: uppercase; margin-bottom: 18px;
}
.facts li {
  display: grid; grid-template-columns: 52px 1fr; gap: 14px;
  padding: 12px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
  font-size: 13.5px; align-items: baseline;
}
.facts .k { color: var(--gold-deep); font-size: 11.5px; letter-spacing: 0.1em; }
.facts .v { color: var(--text); line-height: 1.65; }
.fact-foot { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.fact-foot span {
  display: inline-block; font-size: 10.5px; letter-spacing: 0.14em;
  color: var(--gold); margin-bottom: 8px;
}
.fact-foot p { font-size: 12.5px; color: var(--text-dim); line-height: 1.8; }

/* ---------- 05 voices ---------- */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); }
.voice {
  position: relative; margin: 0; padding: 34px 26px 24px;
  border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(255, 255, 255, 0.038), rgba(255, 255, 255, 0.008));
  display: flex; flex-direction: column;
  transition: transform 0.5s var(--ease), border-color 0.5s;
}
.voice:hover { transform: translateY(-5px); border-color: rgba(216, 165, 86, 0.26); }
.quote-mark {
  position: absolute; top: 8px; left: 22px;
  font-family: var(--font-display); font-size: 56px; line-height: 1;
  color: rgba(216, 165, 86, 0.24);
}
.voice blockquote {
  margin: 0 0 22px; font-size: 14px; line-height: 1.95;
  color: var(--text-dim); flex: 1;
}
.voice figcaption {
  padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 3px;
}
.voice figcaption b { font-size: 13px; font-weight: 600; color: var(--text); }
.voice figcaption span { font-size: 11.5px; color: var(--text-mute); }
.voice-note { margin-top: 22px; font-size: 12px; color: var(--text-mute); }

/* ---------- 06 faq ---------- */
.faq { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-item { background: var(--ink-2); transition: background 0.4s; }
.faq-item[open] { background: #0F0F12; }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 26px; font-size: 14.5px; font-weight: 500; color: var(--text);
  transition: color 0.3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--gold-soft); }
.faq-icon { position: relative; width: 14px; height: 14px; flex: 0 0 14px; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--gold); border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.35s;
}
.faq-icon::before { left: 0; top: 6px; width: 14px; height: 1.5px; }
.faq-icon::after { left: 6px; top: 0; width: 1.5px; height: 14px; }
.faq-item[open] .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-body { padding: 0 26px 24px; max-width: 78ch; }
.faq-body p { font-size: 13.5px; color: var(--text-dim); line-height: 1.95; }

/* ---------- 07 contact ---------- */
.contact {
  position: relative; overflow: hidden;
  margin-top: clamp(84px, 11vw, 150px);
  padding: clamp(64px, 9vw, 118px) var(--pad);
  border-top: 1px solid var(--line);
}
.contact-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(760px circle at 22% 108%, rgba(216, 165, 86, 0.2), transparent 62%),
    radial-gradient(500px circle at 88% 6%, rgba(216, 165, 86, 0.08), transparent 60%);
}
.contact-inner {
  position: relative; z-index: 1;
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px); align-items: start;
}
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 46px);
  font-weight: 600; line-height: 1.34; letter-spacing: -0.015em;
  margin: 22px 0 20px;
}
.contact-lede { color: var(--text-dim); font-size: 14.5px; max-width: 44ch; line-height: 1.9; }
.contact-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 32px; }
.contact-list li {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line-strong); font-size: 12.5px; color: var(--text-dim);
  background: rgba(255, 255, 255, 0.02);
}
.contact-list span { font-family: var(--font-mono); font-size: 10px; color: var(--gold); }

.contact-channels { display: grid; gap: 10px; max-width: 380px; }
.channel {
  padding: 13px 18px; border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.022);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  transition: border-color 0.4s, background 0.4s;
}
.channel:hover { border-color: rgba(216, 165, 86, 0.32); background: rgba(216, 165, 86, 0.05); }
.channel-label { font-size: 11px; letter-spacing: 0.14em; color: var(--text-mute); }
.channel-value { font-size: 13.5px; color: var(--text); letter-spacing: 0.01em; }
.channel-value.placeholder { color: var(--gold-deep); font-style: italic; font-size: 12.5px; }
.channel-value[href]:hover { color: var(--gold-soft); }

.lead-card {
  position: relative; padding: clamp(26px, 3vw, 36px);
  border-radius: var(--radius);
  border: 1px solid rgba(216, 165, 86, 0.24);
  background:
    radial-gradient(600px circle at 100% 0%, rgba(216, 165, 86, 0.12), transparent 60%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.lead-title {
  font-family: var(--font-display); font-size: 21px; font-weight: 600; margin-bottom: 6px;
}
.lead-sub { font-size: 12.5px; color: var(--text-mute); margin-bottom: 22px; }

.lead-form { display: grid; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 12px; color: var(--text-dim); letter-spacing: 0.04em; }
.field label i { color: var(--gold); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  font-family: inherit; font-size: 13.5px; color: var(--text);
  background: rgba(8, 8, 10, 0.6);
  border: 1px solid var(--line-strong); border-radius: 10px;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  outline: none;
}
.field textarea { resize: vertical; min-height: 78px; line-height: 1.7; }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23A5A19A' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px;
}
.field input::placeholder, .field textarea::placeholder { color: #5E5A55; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(216, 165, 86, 0.6);
  background: rgba(8, 8, 10, 0.85);
  box-shadow: 0 0 0 3px rgba(216, 165, 86, 0.1);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: rgba(214, 106, 106, 0.6); }
.lead-form .btn { margin-top: 6px; }
.form-hint { font-size: 11.5px; color: var(--text-mute); line-height: 1.7; margin-top: 2px; }

/* 蜜罐字段：对真人隐藏，对爬虫可见 */
.hp-field {
  position: absolute; left: -9999px; width: 1px; height: 1px;
  overflow: hidden; opacity: 0; pointer-events: none;
}
.lead-form .btn[disabled] { opacity: .7; cursor: progress; }

.lead-done { text-align: center; padding: 6px 0; }
.done-check {
  width: 44px; height: 44px; margin: 0 auto 16px;
  display: grid; place-items: center; border-radius: 50%;
  color: #17120A; font-size: 20px; font-weight: 700;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  box-shadow: 0 10px 30px rgba(216, 165, 86, 0.3);
}
.lead-done h4 { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.lead-done p { font-size: 12.5px; color: var(--text-dim); line-height: 1.8; margin-bottom: 14px; }
.lead-done pre {
  text-align: left; white-space: pre-wrap; word-break: break-word;
  font-family: var(--font-mono); font-size: 11.5px; line-height: 1.8;
  color: var(--text-dim); background: rgba(8, 8, 10, 0.7);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin: 0 0 16px; max-height: 220px; overflow: auto;
}

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); background: #060607; }
.footer-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 40px var(--pad);
  display: flex; flex-wrap: wrap; align-items: center; gap: 22px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand p { font-size: 12.5px; line-height: 1.6; color: var(--text-dim); }
.footer-brand span { color: var(--text-mute); font-size: 11.5px; }
.footer-nav { display: flex; gap: 20px; margin-left: auto; font-size: 12.5px; color: var(--text-mute); flex-wrap: wrap; }
.footer-nav a { transition: color 0.3s; }
.footer-nav a:hover { color: var(--gold-soft); }
.copyright { font-size: 11.5px; color: var(--text-mute); width: 100%; padding-top: 20px; border-top: 1px solid var(--line); }

/* ---------- reveal ---------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { order: -1; justify-self: center; }
  .portrait-frame { width: min(74%, 340px); }
  .tag-1 { left: -8%; }
  .tag-2 { right: -6%; }
  .about-grid { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: 1fr; }
  .track-wrap { grid-template-columns: 1fr; }
  .track-side { grid-template-columns: repeat(3, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
  .lead-card { max-width: 560px; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: grid; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; top: 100%; left: 0; right: 0;
    padding: 18px var(--pad) 24px;
    background: rgba(8, 8, 10, 0.97);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
  }
  .nav.open .nav-links a { padding: 12px 0; font-size: 15px; border-bottom: 1px solid var(--line); }
  .nav.open .nav-links a::after { display: none; }
  .nav.open .nav-toggle span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .nav.open .nav-toggle span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

  .hero { padding-top: 118px; min-height: auto; }
  .stats { gap: 20px; flex-wrap: wrap; }
  .stat { min-width: 84px; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 14px; }
  .hero-note { text-align: left; }
  .section-head { grid-template-columns: 1fr; grid-template-areas: "index" "title" "desc"; }
  .index { padding-top: 0; }
  .svc-head { grid-template-columns: auto 1fr; row-gap: 10px; }
  .svc-badge { grid-column: 2; justify-self: start; }
  .svc-spec { grid-template-columns: 1fr; }
  .track-side { grid-template-columns: 1fr; }
  .timeline::before { left: 58px; }
  .timeline li { grid-template-columns: 58px 1fr; }
  .timeline li::before { left: 55px; }
  .tl-year { padding-right: 14px; font-size: 11px; }
  .footer-nav { margin-left: 0; width: 100%; gap: 16px; }
}

@media (max-width: 520px) {
  .tag { font-size: 10.5px; padding: 6px 11px; }
  .tag-1 { left: -4%; top: 3%; }
  .tag-2 { right: -3%; }
  .tag-3 { left: 0; }
  .svc-head, .svc-body, .fit, .voice, .lead-card { padding-left: 20px; padding-right: 20px; }
  .faq-item summary { padding: 18px 20px; font-size: 14px; }
  .faq-body { padding: 0 20px 20px; }
  .contact-list li { font-size: 12px; padding: 7px 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}