/* ═══════════════════════════════════════════════════════
   进化火种 · Evolve Spark — 样式表
   设计规范（商业计划书第 8 章）：
   主色 深墨蓝 #1F2A44 · 强调色 火种暖橙 #E8703A（仅 CTA 与重点）
   辅助 米白 #F7F4EF · 雾灰 #E5E7EB · 日式淡绿 #8FA89B
   风格：日式极简、医疗级洁净、温暖可信、留白
   ═══════════════════════════════════════════════════════ */

:root {
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  --ink: #1F2A44;            /* 深墨蓝：主色 */
  --ink-2: #2A3857;          /* 主视觉渐变上端 */
  --ink-3: #171F36;          /* 页脚更深 */
  --ember: #E8703A;          /* 火种暖橙：仅 CTA 与重点 */
  --ember-2: #F07D4C;        /* 悬停亮橙 */
  --amber: #FFB37E;          /* 暗底上的浅橙（文字/描边） */
  --sage: #8FA89B;           /* 日式淡绿：装饰 */
  --bg: #FFFFFF;
  --bg-warm: #F7F4EF;        /* 米白 */
  --mist: #E5E7EB;           /* 雾灰 */
  --panel: #FFFFFF;
  --line: rgba(31, 42, 68, .10);
  --line-dark: rgba(255, 255, 255, .13);
  --text: #1F2A44;
  --muted: #5A6478;
  --grad-ember: linear-gradient(100deg, #E8703A, #F07D4C);
  --radius: 18px;
  --shadow: 0 10px 34px rgba(31, 42, 68, .08);
  --shadow-lg: 0 24px 70px rgba(31, 42, 68, .14);
  --ease: cubic-bezier(.22, .68, 0, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ── 滚动进度条（scroll-fx.js 驱动）── */
#scrollBar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  height: 3px;
  background: var(--grad-ember);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { display: block; }
a { color: inherit; }
::selection { background: rgba(232, 112, 58, .25); }
section[id] { scroll-margin-top: 84px; }

/* ── 通用排版 ── */
h1 { font-size: clamp(36px, 5.6vw, 60px); font-weight: 800; line-height: 1.3; letter-spacing: 1px; }
h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; line-height: 1.38; letter-spacing: .5px; }
h3 { font-size: 18.5px; font-weight: 800; }
h4 { font-size: 16px; font-weight: 800; }
.section { padding: 96px 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  color: var(--ember);
  font-size: 15px; font-weight: 700; letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "✦"; margin-right: 10px; font-size: 11px; opacity: .85;
}
.sec-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.sec-head.left { text-align: left; margin: 0 0 36px; }
.sec-head h2 { margin-bottom: 14px; }
/* 标题下划线：随滚动从中间生长（--d 由 scroll-fx.js 驱动） */
.sec-head h2 {
  position: relative;
  padding-bottom: 16px;
}
.sec-head h2::after {
  content: ""; position: absolute; bottom: 0; left: 50%;
  width: 64px; height: 3px; border-radius: 2px;
  background: var(--grad-ember);
  transform: translateX(-50%) scaleX(var(--d, 1));
  transform-origin: center;
  transition: none;
}
.sec-head.left h2::after {
  left: 0; transform: scaleX(var(--d, 1)); transform-origin: left;
}
.sec-sub { color: var(--muted); font-size: 16.5px; max-width: 660px; margin: 0 auto; }
.sec-head.left .sec-sub { margin: 0; }
.sec-note { color: var(--muted); font-size: 15px; text-align: center; margin-top: 40px; opacity: .88; }
.on-dark { color: #fff; }
.on-dark.sec-sub { color: rgba(255, 255, 255, .7); }
.eyebrow.on-dark { color: var(--amber); }
.sec-note.on-dark { color: rgba(255, 255, 255, .48); }

/* ── 按钮 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px;
  font-size: 16px; font-weight: 700; font-family: inherit;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s, color .2s;
}
.btn-lg { padding: 15px 34px; font-size: 17px; }
.btn-ember {
  position: relative; overflow: hidden;
  background: var(--ember); color: var(--ink);
  box-shadow: 0 8px 26px rgba(232, 112, 58, .32);
}
.btn-ember:hover {
  background: var(--ember-2);
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(232, 112, 58, .42);
}
.btn-ember:active { transform: translateY(0) scale(.98); }
.btn-ember::after {           /* 扫光 */
  content: ""; position: absolute; top: -4px; left: -90%;
  width: 55%; height: calc(100% + 8px);
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-22deg);
  transition: left .55s var(--ease);
}
.btn-ember:hover::after { left: 135%; }
.btn-ghost-light {
  border: 1px solid rgba(255, 255, 255, .38); color: #fff;
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); }
.btn-ghost-dark {
  border: 1px solid rgba(31, 42, 68, .28); color: var(--ink);
  background: #fff;
}
.btn-ghost-dark:hover { background: var(--bg-warm); transform: translateY(-2px); }

/* ── 滚动浮现 ── */
html.js [data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
html.js [data-reveal].in { opacity: 1; transform: none; }

/* ═══════════════ 顶部导航 ═══════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  color: #fff;
  transition: background .3s, box-shadow .3s, color .3s;
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 30px; height: 30px; filter: drop-shadow(0 2px 8px rgba(232, 112, 58, .45)); }
.logo-word { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.2; }
.logo-word b { font-size: 17px; font-weight: 800; letter-spacing: .06em; }
.logo-word i { font-style: normal; font-size: 10px; font-weight: 700; letter-spacing: 2.4px; opacity: .65; }
.nav-links { display: flex; gap: 26px; }
.nav-links a {
  color: rgba(255, 255, 255, .82); text-decoration: none;
  font-size: 16px; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--amber); }
.nav.scrolled {
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  color: var(--text);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 24px rgba(31, 42, 68, .07);
}
.nav.scrolled .nav-links a { color: var(--muted); }
.nav.scrolled .nav-links a:hover { color: var(--ember); }
.nav.scrolled .logo-word i { color: var(--muted); }
.nav .btn { padding: 9px 22px; font-size: 15px; }

/* ═══════════════ 主视觉 ═══════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1200px 700px at 78% 18%, rgba(232, 112, 58, .14), transparent 62%),
    radial-gradient(900px 600px at 12% 88%, rgba(143, 168, 155, .10), transparent 60%),
    linear-gradient(180deg, var(--ink-2), var(--ink) 60%, #1A2338);
  color: #fff;
  overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-glow {
  position: absolute; width: 560px; height: 560px; left: 0; top: 0;
  border-radius: 50%; pointer-events: none; opacity: 0;
  background: radial-gradient(circle, rgba(240, 125, 76, .14), transparent 62%);
  transform: translate(-50%, -50%);
  transition: opacity .6s;
}
.hero-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 42%, transparent 55%, rgba(10, 14, 26, .52) 100%);
}
.hero-inner {
  position: relative; z-index: 3;
  max-width: 880px; padding: 128px 24px 92px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14.5px; font-weight: 600; letter-spacing: 3px;
  color: var(--amber);
  margin-bottom: 22px;
}
.hero-eyebrow::before { content: "✦"; font-size: 11px; }
.title-flame {
  color: var(--ember);
  text-shadow: 0 4px 34px rgba(232, 112, 58, .35);
}
.hero-sub {
  color: rgba(255, 255, 255, .72);
  font-size: 17px; max-width: 640px;
  margin: 26px auto 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-bottom: 58px; }

/* ── 信任条（7.1）── */
.trust { max-width: 860px; margin: 0 auto; }
.trust-title { color: rgba(255, 255, 255, .5); font-size: 14.5px; letter-spacing: 2px; margin-bottom: 18px; }
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.trust-item {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 16px;
  padding: 16px 18px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: border-color .3s, background .3s, transform .3s;
}
.trust-item:hover {
  border-color: rgba(255, 179, 126, .45);
  background: rgba(232, 112, 58, .1);
  transform: translateY(-3px);
}
.trust-item svg { flex: none; color: var(--amber); }
.trust-item span { color: rgba(255, 255, 255, .82); font-size: 16px; font-weight: 600; text-align: left; }

/* ── 细胞球体 + 轨道 ── */
.hero-visual {
  position: absolute; right: -60px; top: 46%;
  width: min(560px, 52vw); height: min(560px, 52vw);
  pointer-events: none; z-index: 2;
  /* --px/--py 鼠标视差 · --sy/--sr 滚动视差（scroll-fx.js） */
  transform: perspective(1000px) rotateX(14deg) rotateY(-10deg)
    translate3d(var(--px, 0px), var(--py, 0px), 0)
    translateY(var(--sy, 0px)) rotate(var(--sr, 0deg));
  will-change: transform;
}
.cell {
  position: absolute; left: 50%; top: 50%;
  width: 62%; height: 62%;
  margin: -31% 0 0 -31%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 30%, rgba(255, 226, 190, .9), rgba(240, 125, 76, .42) 32%, rgba(232, 112, 58, .18) 55%, rgba(232, 112, 58, .04) 72%, transparent 74%);
  box-shadow:
    0 0 90px rgba(232, 112, 58, .28),
    0 0 220px rgba(232, 112, 58, .13);
  animation: cellFloat 9s ease-in-out infinite;
}
.cell-halo {
  position: absolute; inset: -13%;
  border-radius: 50%;
  border: 1px solid rgba(255, 179, 126, .3);
  animation: haloPulse 5s ease-in-out infinite;
}
.cell-nucleus {
  position: absolute; left: 38%; top: 38%;
  width: 24%; height: 24%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffe9d0, #e8703a 75%);
  box-shadow: 0 0 26px rgba(240, 125, 76, .5);
  animation: nucleusPulse 5.5s ease-in-out infinite;
}
.cell-grain {
  position: absolute; inset: 0; border-radius: 50%;
  background-image: radial-gradient(rgba(255, 240, 220, .5) 1px, transparent 1.6px);
  background-size: 26px 26px;
  opacity: .22;
}
.ring {
  position: absolute; left: 50%; top: 50%;
  border-radius: 50%;
  border: 1px solid rgba(255, 179, 126, .22);
  transform: translate(-50%, -50%);
}
.ring-1 { width: 92%; height: 92%; animation: ringSpin 46s linear infinite; }
.ring-2 { width: 116%; height: 116%; border-style: dashed; border-color: rgba(255, 179, 126, .15); animation: ringSpin 74s linear infinite reverse; }
.sat {
  position: absolute; left: 50%; top: 50%;
  border-radius: 50%;
  animation: orbit linear infinite;
}
.sat::after {
  content: ""; position: absolute; left: 50%; top: 0;
  width: 8px; height: 8px; border-radius: 50%;
  background: #ffb37e;
  box-shadow: 0 0 12px rgba(255, 179, 126, .9);
  transform: translate(-50%, -50%);
}
.sat-1 { width: 88%; height: 88%; margin: -44% 0 0 -44%; animation-duration: 16s; }
.sat-2 { width: 108%; height: 108%; margin: -54% 0 0 -54%; animation-duration: 26s; animation-direction: reverse; }
.sat-2::after { width: 6px; height: 6px; background: #f07d4c; }
.sat-3 { width: 128%; height: 128%; margin: -64% 0 0 -64%; animation-duration: 38s; }
.sat-3::after { width: 5px; height: 5px; background: #ffe0b8; }
@keyframes cellFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}
@keyframes haloPulse {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}
@keyframes nucleusPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.14); }
}
@keyframes ringSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes orbit { to { transform: rotate(360deg); } }

/* 向下探索 */
.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: rgba(255, 255, 255, .55);
  font-size: 13px; letter-spacing: 3px;
  text-decoration: none;
  transform: translateX(-50%);
  transition: color .3s;
}
.hero-scroll:hover { color: var(--amber); }
.hero-scroll svg { animation: bounceDown 2s ease-in-out infinite; }
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

/* ═══════════════ 我们是谁 ═══════════════ */
.about { background: var(--bg); }
.about-grid {
  display: grid; grid-template-columns: 5fr 6fr;
  gap: 64px; align-items: center;
}
.about-visual { text-align: center; }
.mitosis { width: min(340px, 80%); margin: 0 auto; }
.m-cell { transform-box: fill-box; transform-origin: center; }
.m-c1 { animation: cellL 5.5s ease-in-out infinite; }
.m-c2 { animation: cellR 5.5s ease-in-out infinite; }
.m-bridge { transform-box: fill-box; transform-origin: center; animation: bridgePulse 5.5s ease-in-out infinite; }
@keyframes cellL { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(-9px); } }
@keyframes cellR { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(9px); } }
@keyframes bridgePulse { 0%, 100% { transform: scaleX(1); opacity: .9; } 50% { transform: scaleX(2.4); opacity: .25; } }
.about-cap { color: var(--muted); font-size: 14px; letter-spacing: 2px; margin-top: 8px; }
.us-p2 { color: var(--muted); font-size: 16.5px; margin-bottom: 20px; }
.us-values { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.us-values span {
  font-size: 15px; font-weight: 700; letter-spacing: 1px;
  color: var(--ink);
  background: var(--bg-warm);
  border: 1px solid var(--mist);
  border-radius: 999px;
  padding: 6px 18px;
}
.us-statement {
  display: flex; align-items: flex-start; gap: 10px;
  background: rgba(232, 112, 58, .07);
  border-left: 3px solid var(--ember);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  color: var(--text); font-size: 16px; font-weight: 600;
}
.us-statement svg { flex: none; color: var(--ember); margin-top: 5px; }

/* ═══════════════ 为什么日本 ═══════════════ */
.japan { background: var(--bg-warm); }
.jp-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.jp-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.jp-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-ember);
  opacity: 0; transition: opacity .3s;
}
.jp-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.jp-card:hover::before { opacity: 1; }
.jp-ico {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(232, 112, 58, .1);
  color: var(--ember);
  margin-bottom: 18px;
}
.jp-card h3 { font-size: 18.5px; margin-bottom: 10px; letter-spacing: .3px; }
.jp-card p { color: var(--muted); font-size: 16px; }

/* ═══════════════ 服务流程 ═══════════════ */
.process { background: var(--bg); }
.timeline { position: relative; max-width: 740px; margin: 0 auto; }
.timeline-line {
  position: absolute; left: 28px; top: 10px; bottom: 10px; width: 2px;
  background: rgba(232, 112, 58, .14);
  border-radius: 2px;
}
#timelineFill {
  position: absolute; top: 0; left: 0; width: 100%; height: 0;
  background: var(--grad-ember);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(232, 112, 58, .45);
}
.tl-step { position: relative; padding: 0 0 46px 92px; }
.tl-step:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: 14px; top: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg);
  border: 2px solid rgba(232, 112, 58, .35);
  display: flex; align-items: center; justify-content: center;
  color: var(--ember); font-weight: 800; font-size: 13px;
  transition: background .4s, border-color .4s, color .4s, box-shadow .4s, transform .4s;
}
.tl-step.active .tl-dot {
  background: var(--grad-ember); border-color: transparent; color: var(--ink);
  box-shadow: 0 6px 20px rgba(232, 112, 58, .42);
  transform: scale(1.08);
}
.tl-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.tl-step h3 { font-size: 19px; }
.tl-place {
  font-size: 14.5px; font-weight: 600; letter-spacing: .5px;
  color: var(--ember);
  background: rgba(232, 112, 58, .09);
  border-radius: 999px;
  padding: 2px 12px;
}
.tl-step p { color: var(--muted); font-size: 16px; max-width: 560px; }
.trip-note {
  display: flex; align-items: flex-start; gap: 12px;
  max-width: 740px; margin: 46px auto 0;
  background: var(--bg-warm);
  border: 1px solid var(--mist);
  border-radius: 16px;
  padding: 20px 24px;
}
.trip-note svg { flex: none; color: var(--sage); margin-top: 4px; }
.trip-note p { color: var(--muted); font-size: 16px; }

/* ═══════════════ 服务介绍 ═══════════════ */
.services { background: var(--bg-warm); }
.sv-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  perspective: 1200px;
}
.sv-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px 26px;
  transform-style: preserve-3d;
  transition: border-color .3s, box-shadow .3s, transform .18s ease-out;
}
.sv-card:hover {
  border-color: rgba(232, 112, 58, .35);
  box-shadow: var(--shadow-lg);
}
.sv-ico {
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(232, 112, 58, .1);
  color: var(--ember);
  margin-bottom: 20px;
  transform: translateZ(30px);
}
.sv-tag {
  display: inline-block;
  font-size: 13.5px; font-weight: 700; letter-spacing: 1px;
  color: var(--ember);
  background: rgba(232, 112, 58, .08);
  border: 1px solid rgba(232, 112, 58, .22);
  padding: 3px 12px; border-radius: 999px;
  margin-bottom: 14px;
}
.sv-card h3 { font-size: 18.5px; margin-bottom: 10px; }
.sv-card p { color: var(--muted); font-size: 16px; }

/* ═══════════════ 合作机构（暗色）═══════════════ */
.partners {
  background:
    radial-gradient(1000px 520px at 85% 8%, rgba(232, 112, 58, .12), transparent 60%),
    radial-gradient(800px 500px at 8% 95%, rgba(143, 168, 155, .08), transparent 60%),
    var(--ink);
  color: #fff;
}
.pt-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  max-width: 980px; margin: 0 auto;
}
.pt-card {
  position: relative;
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--line-dark);
  border-radius: 20px;
  padding: 32px 28px;
  transition: border-color .3s, background .3s, transform .3s var(--ease);
}
.pt-card:hover {
  border-color: rgba(255, 179, 126, .4);
  background: rgba(232, 112, 58, .06);
  transform: translateY(-4px);
}
.pt-tag {
  display: inline-block;
  font-size: 13.5px; font-weight: 700; letter-spacing: 1px;
  color: var(--amber);
  background: rgba(255, 179, 126, .1);
  border: 1px solid rgba(255, 179, 126, .25);
  padding: 3px 12px; border-radius: 999px;
  margin-bottom: 16px;
}
.pt-card h3 { font-size: 20px; margin-bottom: 8px; }
.pt-role { color: rgba(255, 255, 255, .62); font-size: 16px; margin-bottom: 20px; }
.pt-fields { list-style: none; border-top: 1px solid var(--line-dark); }
.pt-fields li {
  display: flex; gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 15.5px; line-height: 1.6;
}
.pt-fk { flex: none; width: 74px; color: rgba(255, 255, 255, .45); font-weight: 600; }
.pt-fv { color: rgba(255, 255, 255, .86); }
.pt-fv.ph { color: var(--amber); }
.pt-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 20px;
  color: var(--amber); font-size: 16px; font-weight: 700;
  text-decoration: none;
  border: 1px solid rgba(255, 179, 126, .35);
  border-radius: 999px;
  padding: 9px 20px;
  transition: background .25s, border-color .25s;
}
.pt-link:hover { background: rgba(255, 179, 126, .12); border-color: rgba(255, 179, 126, .6); }

/* ═══════════════ 适合 / 不适合 ═══════════════ */
.suit { background: var(--bg); }
.suit-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 980px; margin: 0 auto;
}
.suit-card {
  border-radius: 20px;
  padding: 32px 30px;
}
.suit-yes {
  background: var(--bg-warm);
  border: 1px solid rgba(143, 168, 155, .35);
}
.suit-no {
  background: #FBF3EE;
  border: 1px solid rgba(232, 112, 58, .3);
}
.suit-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.suit-ico {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.suit-yes .suit-ico { background: rgba(143, 168, 155, .18); color: #5F7A6C; }
.suit-no .suit-ico { background: rgba(232, 112, 58, .14); color: var(--ember); }
.suit-head h3 { font-size: 20px; }
.suit-card ul { list-style: none; }
.suit-card li {
  position: relative;
  padding: 10px 0 10px 30px;
  color: var(--muted); font-size: 16px;
}
.suit-card li::before {
  position: absolute; left: 4px; top: 15px;
  width: 7px; height: 7px; border-radius: 50%;
  content: "";
}
.suit-yes li::before { background: var(--sage); }
.suit-no li::before { background: var(--ember); }

/* ═══════════════ 科普精选 ═══════════════ */
.learn { background: var(--bg-warm); }
.lr-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.lr-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 24px;
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.lr-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(232, 112, 58, .3); }
.lr-tag {
  align-self: flex-start;
  font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: #5F7A6C;
  background: rgba(143, 168, 155, .16);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 16px;
}
.lr-card h3 { font-size: 18px; line-height: 1.5; margin-bottom: 10px; }
.lr-card p { color: var(--muted); font-size: 16px; flex: 1; }
.lr-link {
  margin-top: 18px;
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ember); font-size: 16px; font-weight: 700;
}
.lr-card:hover .lr-link svg { transform: translateX(4px); }
.lr-link svg { transition: transform .25s var(--ease); }

/* ═══════════════ FAQ ═══════════════ */
.faq { background: var(--bg); }
.faq-wrap { max-width: 800px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-item.open { border-color: rgba(232, 112, 58, .35); box-shadow: var(--shadow); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px;
  background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: 16.5px; font-weight: 700; color: var(--text);
  text-align: left;
}
.faq-ico {
  flex: none; width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid rgba(232, 112, 58, .4); color: var(--ember);
  transition: transform .35s var(--ease), background .35s, color .35s;
}
.faq-item.open .faq-ico { transform: rotate(45deg); background: var(--grad-ember); border-color: transparent; color: var(--ink); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .45s var(--ease);
}
.faq-a p { padding: 0 24px 22px; color: var(--muted); font-size: 16px; }

/* ═══════════════ 联系我们（暗色）═══════════════ */
.contact {
  background:
    radial-gradient(900px 460px at 80% 0%, rgba(232, 112, 58, .13), transparent 62%),
    radial-gradient(700px 420px at 10% 100%, rgba(143, 168, 155, .08), transparent 60%),
    var(--ink-2);
  color: #fff;
}
.ct-grid {
  display: grid; grid-template-columns: 2fr 3fr; gap: 24px;
  max-width: 1000px; margin: 0 auto;
}
.ct-left { display: flex; flex-direction: column; gap: 16px; }
.ct-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line-dark);
  border-radius: 20px;
  padding: 26px 24px;
  text-align: center;
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.ct-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 179, 126, .4);
  background: rgba(232, 112, 58, .07);
}
.ct-ico {
  width: 48px; height: 48px; margin: 0 auto 14px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 34% 30%, rgba(255, 179, 126, .3), rgba(232, 112, 58, .16));
  color: var(--amber);
}
.ct-card b { display: block; font-size: 14px; letter-spacing: 2px; color: rgba(255, 255, 255, .6); margin-bottom: 8px; }
.ct-val {
  display: inline-block; color: #fff; font-size: 16.5px; font-weight: 700;
  text-decoration: none; word-break: break-all;
  transition: color .2s;
}
a.ct-val:hover { color: var(--amber); }
.ct-copyable { cursor: pointer; }
.ct-hint { display: block; margin-top: 8px; font-size: 13px; color: rgba(255, 255, 255, .4); }
.ct-hint.copied { color: var(--amber); }

/* ── 表单 ── */
.ct-right {
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line-dark);
  border-radius: 20px;
  padding: 32px 30px;
  min-height: 100%;
  display: flex; align-items: stretch;
}
.fm { width: 100%; display: flex; flex-direction: column; gap: 18px; }
.fm[hidden] { display: none; }
.fm-field label, .fm-label {
  display: block;
  font-size: 15.5px; font-weight: 600;
  color: rgba(255, 255, 255, .82);
  margin-bottom: 8px;
}
.fm label em { color: var(--amber); font-style: normal; }
.fm input[type="text"], .fm select, .fm textarea {
  width: 100%;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  padding: 12px 16px;
  color: #fff;
  font-family: inherit; font-size: 16px;
  transition: border-color .25s, background .25s;
}
.fm textarea { resize: vertical; min-height: 96px; }
.fm input::placeholder, .fm textarea::placeholder { color: rgba(255, 255, 255, .32); }
.fm input:focus, .fm select:focus, .fm textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: rgba(255, 255, 255, .1);
}
.fm select option { color: var(--text); background: #fff; }
.fm-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fm-pills { display: flex; gap: 10px; }
.pill { flex: 1; cursor: pointer; }
.pill input { position: absolute; opacity: 0; pointer-events: none; }
.pill span {
  display: block; text-align: center;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 12px;
  padding: 11px 10px;
  font-size: 16px; font-weight: 600;
  color: rgba(255, 255, 255, .72);
  transition: all .25s;
}
.pill input:checked + span {
  border-color: var(--amber);
  background: rgba(232, 112, 58, .16);
  color: #fff;
}
.fm-agree {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; color: rgba(255, 255, 255, .62);
  cursor: pointer; line-height: 1.6;
}
.fm-agree input { margin-top: 4px; width: 17px; height: 17px; accent-color: var(--ember); flex: none; }
.fm-agree em { color: var(--amber); font-style: normal; }
.fm-err {
  color: #FFC4A8; font-size: 15px; font-weight: 600;
  background: rgba(232, 112, 58, .12);
  border: 1px solid rgba(255, 179, 126, .3);
  border-radius: 12px;
  padding: 10px 16px;
}
.fm-submit { width: 100%; }
.fm-foot { font-size: 13.5px; color: rgba(255, 255, 255, .4); text-align: center; }

/* ── 提交成功 ── */
.fm-done {
  width: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 14px;
  padding: 30px 10px;
}
.fm-done[hidden] { display: none; }
.fm-done-ico {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(143, 168, 155, .16);
  border: 1px solid rgba(143, 168, 155, .5);
  color: #A9C3B5;
  margin-bottom: 6px;
}
.fm-done h3 { font-size: 22px; }
.fm-done-main { font-size: 16.5px; color: rgba(255, 255, 255, .82); }
.fm-done-sub { font-size: 15px; color: rgba(255, 255, 255, .55); }
.fm-done-note { font-size: 13.5px; color: rgba(255, 255, 255, .42); max-width: 420px; }

/* ═══════════════ 悬浮按钮 + 移动端栏 ═══════════════ */
.float-cta {
  position: fixed; right: 22px; bottom: 26px; z-index: 55;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--ember); color: var(--ink);
  box-shadow: 0 10px 30px rgba(232, 112, 58, .4);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.float-cta:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(232, 112, 58, .5); }
.mob-bar {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  gap: 10px;
}
.mob-bar .btn { flex: 1; }

/* ═══════════════ 页脚 ═══════════════ */
.footer {
  background: var(--ink-3);
  color: rgba(255, 255, 255, .72);
  padding: 64px 0 36px;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.footer-mark { width: 38px; height: 38px; }
.footer-word { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.25; }
.footer-zh { font-size: 22px; font-weight: 800; letter-spacing: .18em; color: #fff; }
.footer-en { font-size: 10px; font-weight: 700; letter-spacing: 3.4px; color: rgba(255, 255, 255, .45); }
.footer-line { font-size: 15px; letter-spacing: 3px; color: rgba(255, 255, 255, .55); }
.footer-cols {
  display: grid; grid-template-columns: 1fr 1.6fr 1.2fr; gap: 24px;
  max-width: 1060px; margin-top: 18px;
  text-align: left;
}
.footer-block {
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 14px;
  padding: 20px 22px;
}
.footer-block h4 {
  font-size: 14.5px; font-weight: 700; letter-spacing: 2px;
  color: var(--amber);
  margin-bottom: 10px;
}
.footer-block p { font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, .5); }
.footer-law { font-size: 14px; color: rgba(255, 255, 255, .42); margin-top: 8px; }
.footer-copy { font-size: 13.5px; color: rgba(255, 255, 255, .32); }

/* ═══════════════ 响应式 ═══════════════ */
@media (max-width: 960px) {
  .jp-grid, .sv-grid, .lr-grid { grid-template-columns: 1fr 1fr; }
  .pt-grid, .suit-grid, .ct-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { right: -140px; width: 60vw; height: 60vw; opacity: .8; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-cols { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .section { padding: 72px 0; }
}
@media (max-width: 600px) {
  h1 { font-size: 34px; }
  .hero-inner { padding: 110px 20px 80px; }
  .hero-visual { right: -180px; width: 88vw; height: 88vw; opacity: .5; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .trust-grid { gap: 10px; }
  .trust-item { flex-direction: column; gap: 8px; text-align: center; padding: 14px 10px; }
  .trust-item span { font-size: 14px; text-align: center; }
  .jp-grid, .sv-grid, .lr-grid { grid-template-columns: 1fr; }
  .fm-row { grid-template-columns: 1fr; }
  .timeline-line { left: 24px; }
  .tl-step { padding-left: 78px; }
  .tl-dot { left: 10px; width: 28px; height: 28px; }
  .logo-word i { display: none; }
  .float-cta { display: none; }
  .mob-bar { display: flex; }
  .mob-bar .btn { padding: 12px 10px; font-size: 15px; }
  .suit-card { padding: 26px 20px; }
  .pt-card { padding: 26px 20px; }
  .ct-right { padding: 26px 18px; }
  .pt-fk { width: 64px; }
}

/* ── 减少动态效果偏好 ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}