/* ============================================================
   FindSolar.ai — 正式官网 v1
   电影式日出开场 + 暖白正文（stripe 骨架 × lovable 温度）
   ============================================================ */

:root {
  /* 色板 */
  --bg: #fdfbf7;
  --bg-alt: #ffffff;
  --ink: #1c1917;
  --muted: #57534e;
  --faint: #a8a29e;
  --line: #e7e0d5;
  --amber: #d97706;
  --amber-ink: #b45309;
  --amber-soft: #fef3e2;
  --emerald: #059669;
  --emerald-soft: #ecfdf5;
  --sky: #0284c7;
  --sky-soft: #f0f9ff;
  --night: #0c1220;

  /* 字体 */
  --font: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;

  /* 节奏 */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 26px;
  --wrap: 1160px;
  --wrap-narrow: 760px;
  --section-y: clamp(72px, 10vw, 128px);
  --gap: clamp(20px, 3vw, 32px);

  /* 阴影 */
  --shadow-1: 0 1px 2px rgba(28, 25, 23, .05), 0 4px 12px rgba(28, 25, 23, .05);
  --shadow-2: 0 2px 6px rgba(28, 25, 23, .06), 0 16px 40px rgba(28, 25, 23, .09);
  --shadow-glow: 0 0 0 1px rgba(217, 119, 6, .25), 0 0 44px rgba(217, 119, 6, .28);

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

/* 兜底：hidden 属性优先于任何 display 规则 */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.18;
  text-wrap: balance;
}

h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; }
a { color: var(--amber-ink); }
svg { flex-shrink: 0; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -60px; left: 16px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus-visible { top: 12px; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}
.wrap-narrow { max-width: var(--wrap-narrow); }

.section { padding: var(--section-y) 0; }
.section-alt { background: var(--bg-alt); }
section[id] { scroll-margin-top: 84px; }

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(36px, 5vw, 56px);
  text-align: center;
}
.section-sub {
  font-size: 1.08rem;
  color: var(--muted);
}
.section-note {
  margin: 28px auto 0;
  max-width: 560px;
  text-align: center;
  color: var(--muted);
  font-size: .95rem;
}
.display { font-size: clamp(2rem, 4.6vw, 3.4rem); }

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow-amber { color: var(--amber-ink); }
.eyebrow-emerald { color: var(--emerald); }
.eyebrow-sky { color: var(--sky); }

.mini-title {
  margin: 0 0 14px;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}
.mini-title-center { text-align: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--amber);
  color: #fff;
  box-shadow: 0 1px 2px rgba(180, 83, 9, .3), 0 6px 18px rgba(217, 119, 6, .28);
}
.btn-primary:hover { background: var(--amber-ink); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--faint); background: rgba(28, 25, 23, .03); }

.btn-glass {
  background: rgba(253, 251, 247, .16);
  color: #fff;
  border-color: rgba(253, 251, 247, .45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-glass:hover { background: rgba(253, 251, 247, .28); }

.btn-lg { min-height: 52px; padding: 14px 32px; font-size: 1.05rem; }
.btn-sm { min-height: 44px; padding: 8px 16px; font-size: .88rem; }
.btn-nav { min-height: 40px; padding: 8px 20px; font-size: .92rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.cta-row-center { justify-content: center; }

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
  color: var(--amber-ink);
  text-decoration: none;
}
.text-link:hover { text-decoration: underline; }

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(253, 251, 247, .72);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.site-header.scrolled {
  background: rgba(253, 251, 247, .88);
  border-bottom-color: var(--line);
}

.nav {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo svg { width: 24px; height: 24px; color: var(--amber); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
}
.nav-links > li > a,
.nav-drop-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 44px;
  padding: 8px 13px;
  border: none;
  background: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: .94rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.nav-links > li > a:hover,
.nav-drop-btn:hover { color: var(--ink); background: rgba(28, 25, 23, .05); }
.nav-drop-btn svg { width: 15px; height: 15px; transition: transform .2s var(--ease); }

.nav-drop { position: relative; }
.nav-drop.open .nav-drop-btn svg { transform: rotate(180deg); }
.nav-drop-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 210px;
  padding: 8px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav-drop.open .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-drop-menu a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: .94rem;
  color: var(--ink);
  text-decoration: none;
}
.nav-drop-menu a:hover { background: var(--amber-soft); color: var(--amber-ink); }

.nav-side { display: flex; align-items: center; gap: 14px; }

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .6);
}
.lang-switch button {
  min-width: 40px;
  min-height: 34px;
  padding: 4px 10px;
  border: none;
  background: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.lang-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}

.nav-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.nav-burger svg { width: 24px; height: 24px; }

/* 移动端全屏菜单 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  padding: 92px clamp(24px, 6vw, 48px) 40px;
  background: var(--bg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 2px; }
.mobile-menu ul a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 6px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.mobile-menu-foot {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
body.menu-open { overflow: hidden; }
body.menu-open .nav-burger { color: var(--amber-ink); }

/* ============================================================
   首屏：旭日东升 The Dawn Sequence
   ============================================================ */
.dawn {
  position: relative;
  height: 320vh;
  background: var(--night);
}
.dawn-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.dawn-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform, opacity;
}
.dawn-img-1 { opacity: 1; transform: scale(1.06); }
.dawn-img-2, .dawn-img-3 { opacity: 0; }

/* 暗场（第一幕压暗） */
.dawn-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 22, .55), rgba(6, 10, 22, .35) 45%, rgba(6, 10, 22, .6));
  opacity: .8;
  pointer-events: none;
}

/* 暖色光晕：从灭点扩散 */
.dawn-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 62% at 50% 62%,
    rgba(255, 176, 66, .55) 0%,
    rgba(255, 140, 40, .28) 32%,
    rgba(255, 120, 30, .08) 58%,
    transparent 75%);
  opacity: 0;
  pointer-events: none;
}

/* 提亮层（第三幕晨光普照） */
.dawn-lift {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 244, 224, .9), rgba(255, 240, 214, .7));
  opacity: 0;
  pointer-events: none;
}

/* 胶片颗粒：掩饰 1024px 源图放大痕迹 */
.dawn-grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  opacity: .045;
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* 边缘暗角 */
.dawn-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 118% 96% at 50% 46%, transparent 58%, rgba(4, 7, 16, .42) 100%);
  pointer-events: none;
}

/* 三幕文字 */
.dawn-act {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(20px, 5vw, 48px);
  text-align: center;
  color: #fff;
  opacity: 0;
  pointer-events: none;
  will-change: opacity, transform;
}
.dawn-act-1 { opacity: 1; }

.dawn-brand {
  margin: 0 0 10px;
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-shadow: 0 2px 30px rgba(4, 8, 18, .55);
}
.dawn-tagline {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 500;
  color: rgba(255, 255, 255, .88);
  text-shadow: 0 1px 18px rgba(4, 8, 18, .5);
}
.dawn-title {
  margin: 0 0 14px;
  font-size: clamp(2.1rem, 5.6vw, 4rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 34px rgba(20, 12, 4, .6);
}
.dawn-sub {
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  color: rgba(255, 252, 245, .92);
  text-shadow: 0 1px 20px rgba(20, 12, 4, .55);
}
.dawn-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.dawn-act.act-live { pointer-events: auto; }

/* 点亮交棒：暖白从下向上淹没 */
.dawn-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, var(--bg) 78%, rgba(253, 251, 247, 0));
  transform: translateY(101%);
  will-change: transform;
  pointer-events: none;
}

/* 向下滚动提示 */
.dawn-hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: rgba(255, 255, 255, .85);
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(10, 14, 26, .18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  text-decoration: none;
}
.dawn-hint svg {
  width: 20px;
  height: 20px;
  animation: hint-bob 1.8s var(--ease) infinite;
}
@keyframes hint-bob {
  0%, 100% { transform: translateY(-2px); opacity: .75; }
  50% { transform: translateY(3px); opacity: 1; }
}

/* 静态降级（reduced-motion / 移动竖屏）：dawn-2 单帧 */
body.dawn-static .dawn { height: auto; background: var(--night); }
body.dawn-static .dawn-stage {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 96px 0 72px;
}
body.dawn-static .dawn-img-1,
body.dawn-static .dawn-img-3 { display: none; }
body.dawn-static .dawn-img-2 { opacity: 1; transform: none; }
body.dawn-static .dawn-shade {
  opacity: 1;
  background: linear-gradient(180deg, rgba(6, 10, 22, .5), rgba(6, 10, 22, .28) 45%, rgba(6, 10, 22, .55));
}
body.dawn-static .dawn-glow { opacity: .5; }
body.dawn-static .dawn-veil { display: none; }
body.dawn-static .dawn-act {
  position: relative;
  inset: auto;
  opacity: 1;
  pointer-events: auto;
  padding-top: 10px;
  padding-bottom: 10px;
}
body.dawn-static .dawn-brand { font-size: clamp(2rem, 9vw, 3rem); }
body.dawn-static .dawn-title { font-size: clamp(1.6rem, 7vw, 2.6rem); }
body.dawn-static .dawn-hint { display: none; }

/* ============================================================
   1. 问市场演示
   ============================================================ */
.section-ask { padding-top: clamp(56px, 8vw, 96px); }

.ask-panel {
  max-width: 780px;
  margin: 0 auto;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  padding: clamp(20px, 3.5vw, 34px);
}

.ask-roles {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.ask-roles-label { font-weight: 600; font-size: .95rem; color: var(--muted); }
.pill-group { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  min-height: 44px;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all .15s var(--ease);
}
.pill:hover { border-color: var(--faint); color: var(--ink); }
.pill.is-active {
  background: var(--amber-soft);
  border-color: var(--amber);
  color: var(--amber-ink);
}

.ask-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.ask-box:focus-within {
  border-color: rgba(217, 119, 6, .55);
  box-shadow: 0 0 0 4px rgba(217, 119, 6, .12);
}
.ask-box-icon { width: 20px; height: 20px; color: var(--faint); }
.ask-box input {
  flex: 1;
  min-width: 0;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  padding: 12px 0;
}
.ask-box input::placeholder { color: var(--faint); }
.ask-box input:focus { outline: none; }
.ask-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: var(--amber);
  color: #fff;
  cursor: pointer;
  transition: background .15s, transform .15s;
}
.ask-send:hover { background: var(--amber-ink); transform: translateY(-1px); }
.ask-send svg { width: 20px; height: 20px; }

.ask-examples {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ask-examples-label {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  font-family: inherit;
  font-size: .88rem;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: all .15s var(--ease);
}
.chip:hover {
  border-color: var(--amber);
  color: var(--amber-ink);
  background: var(--amber-soft);
}

/* 思考中 */
.ask-thinking {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 36px auto 0;
  color: var(--muted);
  font-weight: 500;
}
.thinking-dots { display: inline-flex; gap: 5px; }
.thinking-dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  animation: dot-pulse 1.2s ease-in-out infinite;
}
.thinking-dots i:nth-child(2) { animation-delay: .18s; }
.thinking-dots i:nth-child(3) { animation-delay: .36s; }
@keyframes dot-pulse {
  0%, 100% { transform: translateY(0); opacity: .35; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* 匹配结果 */
.ask-results { margin-top: 44px; }
.ask-results-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.ask-results-head h3 { margin: 0; font-size: 1.3rem; }
.tag-demo {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--amber-soft);
  border: 1px solid rgba(217, 119, 6, .3);
  color: var(--amber-ink);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.match-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.match-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  animation: card-in .5s var(--ease) both;
}
.match-card:nth-child(2) { animation-delay: .12s; }
.match-card:nth-child(3) { animation-delay: .24s; }
@keyframes card-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.match-card h4 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.3;
}
.match-role {
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--sky-soft);
  color: var(--sky);
  font-size: .76rem;
  font-weight: 700;
}
.match-corridor {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: .86rem;
}
.match-corridor svg { width: 15px; height: 15px; color: var(--faint); }
.match-why { font-size: .92rem; color: var(--muted); margin-bottom: 12px; }
.match-why strong, .match-gap strong {
  display: block;
  margin-bottom: 3px;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
}
.match-gap-wrap { overflow: hidden; }
.match-gap-wrap[hidden] { display: none; }
.match-gap {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--amber-soft);
  font-size: .9rem;
  color: var(--ink);
}
.match-seewhy {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 6px 4px;
  border: none;
  background: none;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  color: var(--amber-ink);
  cursor: pointer;
}
.match-seewhy svg { width: 15px; height: 15px; transition: transform .2s var(--ease); }
.match-seewhy[aria-expanded="true"] svg { transform: rotate(180deg); }
.match-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.ask-corridor-note {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  margin: 30px auto 0;
  max-width: 560px;
  color: var(--muted);
  font-size: .92rem;
  text-align: left;
}
.ask-corridor-note svg { width: 19px; height: 19px; margin-top: 2px; color: var(--amber); }

/* ============================================================
   2. 光伏在现场被指定
   ============================================================ */
.spec-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.spec-narrative { display: flex; flex-direction: column; gap: clamp(20px, 2.6vw, 30px); }
.narrative-line {
  margin: 0;
  font-size: clamp(1.12rem, 1.8vw, 1.38rem);
  line-height: 1.62;
  font-weight: 500;
  color: var(--muted);
}
.narrative-line:last-child {
  color: var(--amber-ink);
  font-weight: 700;
}
.spec-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.spec-figure img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 5; }

/* ============================================================
   3. 四角色入口
   ============================================================ */
.role-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.role-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 26px 24px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  color: var(--ink);
  text-decoration: none;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s;
}
.role-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: rgba(217, 119, 6, .4);
}
.role-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  margin-bottom: 10px;
  border-radius: 13px;
  background: var(--amber-soft);
  color: var(--amber-ink);
}
.role-icon svg { width: 24px; height: 24px; }
.role-name { font-weight: 700; font-size: 1.08rem; letter-spacing: -0.01em; }
.role-promise { color: var(--muted); font-size: .92rem; }
.role-arrow {
  margin-top: 12px;
  color: var(--faint);
  transition: color .2s, transform .2s var(--ease);
}
.role-arrow svg { width: 19px; height: 19px; }
.role-card:hover .role-arrow { color: var(--amber-ink); transform: translateX(4px); }

.corridor-strip {
  margin-top: clamp(40px, 6vw, 64px);
  padding: 28px clamp(20px, 4vw, 44px);
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--amber-soft), rgba(254, 243, 226, .35));
  border: 1px solid rgba(217, 119, 6, .18);
  text-align: center;
}
.corridor-line {
  margin: 0 0 6px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--ink);
}
.independence-line { margin: 0; color: var(--muted); font-size: .95rem; }

/* ============================================================
   4. 专业网络（链条）
   ============================================================ */
.network-paras {
  max-width: 640px;
  margin: 0 auto clamp(40px, 5vw, 56px);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.network-paras p { margin: 0; font-size: 1.08rem; color: var(--muted); }
.network-p4 { font-weight: 700; color: var(--ink); }

.chain-wrap {
  padding: clamp(28px, 4vw, 44px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.chain-label {
  margin: 0 0 22px;
  text-align: center;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}
.chain {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.6vw, 18px);
  flex-wrap: wrap;
}
.chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-alt);
  font-weight: 600;
  font-size: .95rem;
  text-align: center;
  transition: box-shadow .6s var(--ease), border-color .6s var(--ease), background .6s var(--ease), transform .6s var(--ease);
}
.chain-link { color: var(--faint); display: flex; }
.chain-link svg { width: 22px; height: 22px; }
.chain-node-core { position: relative; padding: 18px 26px; }
.chain-core-sun {
  width: 22px; height: 22px;
  color: var(--faint);
  transition: color .6s var(--ease);
}
.chain-wrap.lit .chain-node-core {
  border-color: var(--amber);
  background: var(--amber-soft);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.chain-wrap.lit .chain-core-sun { color: var(--amber); }
.chain-note {
  margin: 24px auto 0;
  max-width: 520px;
  text-align: center;
  color: var(--muted);
  font-size: .95rem;
}
.network-closing {
  margin: clamp(36px, 5vw, 52px) auto 0;
  max-width: 620px;
  text-align: center;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* ============================================================
   5. 四角色区块
   ============================================================ */
.role-section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.role-section-grid-flip .role-section-main { order: 2; }
.role-section-grid-flip .role-section-aside { order: 1; }
.role-section-main p { color: var(--muted); font-size: 1.03rem; }
.role-section-punch {
  font-weight: 700;
  color: var(--ink) !important;
  font-size: 1.08rem !important;
}
.aside-card {
  padding: clamp(24px, 3vw, 32px);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}
.section-alt .aside-card { background: var(--bg); }
.aside-card .mini-title:not(:first-child) { margin-top: 24px; }
.icon-list, .check-list { display: flex; flex-direction: column; gap: 12px; }
.icon-list li, .check-list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: .95rem;
  color: var(--muted);
}
.icon-list svg { width: 17px; height: 17px; margin-top: 4px; color: var(--sky); }
.check-list svg { width: 17px; height: 17px; margin-top: 4px; color: var(--emerald); }
.role-section-dist .icon-list svg { color: var(--sky); }
.role-section-mfr .icon-list svg { color: var(--amber); }

.can-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
}
.can-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 22px 14px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
  font-size: .92rem;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.can-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-1); }
.can-card svg { width: 26px; height: 26px; color: var(--emerald); }

.owner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
  max-width: 860px;
  margin: 0 auto;
}
.owner-card {
  padding: clamp(24px, 3vw, 34px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}
.owner-card svg { width: 30px; height: 30px; margin-bottom: 14px; color: var(--amber-ink); }
.owner-card p { margin: 0; color: var(--muted); font-size: .97rem; }

/* ============================================================
   6. 目录
   ============================================================ */
.dir-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: clamp(32px, 4vw, 48px);
}
.dir-cat {
  padding: 26px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}
.dir-cat svg { width: 27px; height: 27px; margin: 0 auto 12px; color: var(--amber-ink); }
.dir-cat p { margin: 0; color: var(--muted); font-size: .95rem; }

.dir-profile-spec {
  text-align: center;
  margin-bottom: clamp(32px, 4vw, 48px);
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.tag-row li {
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-alt);
  font-size: .88rem;
  color: var(--muted);
}

.dir-samples-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}
.dir-samples-head .mini-title { margin: 0; }

.profile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.profile-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}
.profile-type {
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--emerald-soft);
  color: var(--emerald);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.profile-card h3 { font-size: 1.06rem; margin-bottom: 4px; }
.profile-who { margin: 0 0 8px; color: var(--muted); font-size: .9rem; }
.profile-where {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: .86rem;
}
.profile-where svg { width: 15px; height: 15px; color: var(--faint); }
.profile-what { margin: 0 0 12px; font-size: .92rem; }
.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.profile-tags li {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-size: .78rem;
  color: var(--muted);
}
.profile-fit {
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--amber);
  font-size: .9rem;
  font-style: italic;
  color: var(--muted);
}
.profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.profile-opening {
  margin: 12px 0 0;
  font-size: .86rem;
  font-weight: 600;
  color: var(--amber-ink);
}

/* ============================================================
   7. 市场观察
   ============================================================ */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.insight-card {
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 32px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.insight-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-1); }
.insight-card svg { width: 27px; height: 27px; margin-bottom: 16px; color: var(--sky); }
.insight-card p { color: var(--muted); font-size: .95rem; }
.insight-card .text-link { margin-top: auto; }

/* ============================================================
   8. 它如何工作
   ============================================================ */
.how-lines {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 780px;
  margin: 0 auto clamp(40px, 5vw, 60px);
}
.how-lines li {
  display: flex;
  align-items: baseline;
  gap: 18px;
}
.how-index {
  font-size: .9rem;
  font-weight: 800;
  color: var(--amber);
  letter-spacing: .06em;
}
.how-lines p {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.how-card {
  padding: clamp(24px, 3vw, 32px);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.how-card svg { width: 26px; height: 26px; margin-bottom: 14px; color: var(--amber-ink); }
.how-card p { color: var(--muted); font-size: .94rem; margin-bottom: .6em; }
.how-card p:last-child { margin-bottom: 0; }

/* ============================================================
   9. 关于我们
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: clamp(32px, 4vw, 48px);
}
.about-card {
  padding: clamp(24px, 3vw, 32px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.about-card .eyebrow { margin-bottom: 8px; }
.about-statement {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.5;
}
.about-secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.about-block h3 { font-size: 1.02rem; }
.about-block p { color: var(--muted); font-size: .95rem; margin-bottom: .5em; }

/* ============================================================
   10. 开始匹配（表单）
   ============================================================ */
.contact-form {
  padding: clamp(24px, 4vw, 40px);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}
.contact-roles {
  margin: 0 0 26px;
  padding: 0;
  border: none;
}
.contact-roles legend {
  padding: 0;
  margin-bottom: 12px;
  font-weight: 700;
  font-size: 1rem;
}
.radio-row {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  min-height: 44px;
  padding: 10px 14px;
  margin-bottom: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.radio-row:hover { border-color: var(--faint); }
.radio-row:has(input:checked) {
  border-color: var(--amber);
  background: var(--amber-soft);
}
.radio-row input {
  margin: 4px 0 0;
  accent-color: var(--amber);
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 26px;
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .92rem; }
.field input,
.field textarea {
  min-height: 46px;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: inherit;
  font-size: .97rem;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(217, 119, 6, .12);
}

.contact-success {
  padding: clamp(36px, 5vw, 56px);
  background: var(--emerald-soft);
  border: 1px solid rgba(5, 150, 105, .3);
  border-radius: var(--radius-lg);
  text-align: center;
}
.contact-success svg { width: 44px; height: 44px; margin: 0 auto 14px; color: var(--emerald); }
.contact-success-title {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 700;
}
.contact-success p:last-child { margin: 0; color: var(--muted); }

/* ============================================================
   11. 进入平台
   ============================================================ */
.section-platform { padding-top: 0; }
.platform-card {
  padding: clamp(36px, 6vw, 64px);
  background: linear-gradient(150deg, #221a10, #3d2a12 55%, #6b4014);
  border-radius: var(--radius-lg);
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-2);
}
.platform-card h2 { color: #fff; }
.platform-card p { color: rgba(255, 248, 238, .82); }
.platform-sun { width: 40px; height: 40px; margin: 0 auto 18px; color: #fbbf24; }
.platform-card .btn { margin: 8px 0 18px; }
.platform-alt { font-size: .92rem; margin: 0; }

/* ============================================================
   12. 页脚
   ============================================================ */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: clamp(48px, 6vw, 72px) 0 36px;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: clamp(32px, 5vw, 64px);
  margin-bottom: clamp(36px, 5vw, 52px);
}
.footer-tagline { margin: 12px 0 0; color: var(--muted); font-size: .95rem; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.footer-col-title {
  margin: 0 0 14px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}
.footer-col ul { display: flex; flex-direction: column; gap: 4px; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 4px 0;
  color: var(--muted);
  font-size: .94rem;
  text-decoration: none;
}
.footer-col a:hover { color: var(--amber-ink); }

.footer-legal {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-legal details {
  border-bottom: 1px solid var(--line);
}
.footer-legal summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 4px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  list-style: none;
}
.footer-legal summary::-webkit-details-marker { display: none; }
.footer-legal summary::after {
  content: "";
  margin-left: auto;
  width: 9px; height: 9px;
  border-right: 1.5px solid var(--faint);
  border-bottom: 1.5px solid var(--faint);
  transform: rotate(45deg);
  transition: transform .2s var(--ease);
}
.footer-legal details[open] summary::after { transform: rotate(-135deg); }
.footer-legal p {
  margin: 0 0 14px;
  padding: 0 4px;
  color: var(--muted);
  font-size: .92rem;
  max-width: 720px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-disclaimer { margin: 0; color: var(--muted); font-size: .9rem; }
.footer-domain {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* ============================================================
   滚动浮现
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.on {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .role-grid { grid-template-columns: repeat(2, 1fr); }
  .can-grid { grid-template-columns: repeat(3, 1fr); }
  .match-grid, .profile-grid, .insight-grid, .how-grid,
  .about-grid, .about-secondary, .dir-cats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .nav-side .lang-switch { display: none; }
  .nav-burger { display: inline-flex; }
  .nav { justify-content: space-between; }

  .spec-grid, .role-section-grid { grid-template-columns: 1fr; }
  .role-section-grid-flip .role-section-main { order: 1; }
  .role-section-grid-flip .role-section-aside { order: 2; }
  .spec-figure { max-width: 480px; }

  .match-grid, .profile-grid, .insight-grid, .how-grid,
  .about-grid, .about-secondary, .dir-cats,
  .owner-grid, .field-grid { grid-template-columns: 1fr; }
  .can-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }

  .chain { flex-direction: column; }
  .chain-link svg { transform: rotate(90deg); }
  .chain-node { width: 100%; max-width: 300px; }

  .how-lines li { gap: 12px; }
}

@media (max-width: 480px) {
  .can-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
}

/* ============================================================
   减少动态
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}