/* =========================================================
   投资云南 / Invest Yunnan — 站点样式
   设计语言：深松绿 + 纸感米白 + 红土赤陶 + 哑金；衬线标题，克制留白
   ========================================================= */

:root {
  --ink: #122019;
  --ink-2: #27382f;
  --muted: #5b6b62;
  --muted-2: #7d8b83;
  --paper: #fbf8f2;
  --paper-2: #f3ede1;
  --white: #ffffff;
  --pine: #0f3b2e;
  --pine-2: #164f3c;
  --pine-3: #0a2a20;
  --jade: #2f8b6d;
  --jade-soft: #e7f0eb;
  --terra: #b8492b;
  --gold: #b3843c;
  --line: rgba(18, 32, 25, 0.13);
  --line-2: rgba(18, 32, 25, 0.07);
  --shadow-sm: 0 1px 2px rgba(18, 32, 25, 0.04), 0 10px 30px -22px rgba(18, 32, 25, 0.35);
  --shadow-md: 0 30px 70px -40px rgba(18, 32, 25, 0.45);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, "SimSun", Georgia, "Times New Roman", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shell: 1200px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.lang-en {
  --serif: Georgia, "Times New Roman", "Noto Serif", "Songti SC", serif;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
button { font: inherit; }
::selection { background: rgba(47, 139, 109, 0.22); }

:focus-visible {
  outline: 3px solid rgba(47, 139, 109, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}
.shell--narrow { max-width: 900px; }

/* ------------------------------ 页头 ------------------------------ */

.skip-link {
  position: absolute;
  left: 50%;
  top: -100px;
  transform: translateX(-50%);
  background: var(--pine);
  color: var(--paper);
  padding: 10px 18px;
  border-radius: 0 0 10px 10px;
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(251, 248, 242, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line-2);
  box-shadow: 0 12px 30px -26px rgba(18, 32, 25, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 76px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--pine);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--serif); font-size: 19px; font-weight: 600; letter-spacing: 0.02em; }
.brand-sub {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 2px;
}

.nav { display: flex; align-items: center; flex-wrap: nowrap; gap: 1px; margin-left: auto; }
.nav-link {
  position: relative;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--ink-2);
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-link:hover { color: var(--pine); background: rgba(15, 59, 46, 0.05); }
.nav-link.is-active { color: var(--pine); font-weight: 600; }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.lang-switch {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-switch:hover { border-color: var(--jade); color: var(--pine); }

.nav-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 1.6px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ------------------------------ 按钮 ------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn--primary { background: var(--pine); color: var(--paper); }
.btn--primary:hover { background: var(--pine-2); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn--ghost { border-color: rgba(251, 248, 242, 0.42); color: var(--paper); }
.btn--ghost:hover { background: rgba(251, 248, 242, 0.1); transform: translateY(-2px); }
.btn--light { border-color: var(--line); color: var(--ink); }
.btn--light:hover { border-color: var(--pine); color: var(--pine); transform: translateY(-2px); }
.btn--sm { padding: 10px 18px; font-size: 13.5px; }
.btn--block { width: 100%; }

/* ------------------------------ 首屏 ------------------------------ */

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #14483a 0%, #0f3b2e 45%, #0a2a20 100%);
  color: var(--paper);
  padding: clamp(72px, 12vh, 128px) 0 clamp(96px, 16vh, 168px);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(10px); }
.hero-glow--1 {
  width: 620px;
  height: 620px;
  right: -160px;
  top: -260px;
  background: radial-gradient(circle, rgba(47, 139, 109, 0.5), transparent 68%);
}
.hero-glow--2 {
  width: 520px;
  height: 520px;
  left: -220px;
  bottom: -240px;
  background: radial-gradient(circle, rgba(179, 132, 60, 0.28), transparent 70%);
}
.hero-contour {
  position: absolute;
  inset: 0;
  background-image: repeating-radial-gradient(circle at 82% 8%, rgba(251, 248, 242, 0.055) 0 1px, transparent 1px 46px);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
}
.hero-mountains {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: clamp(120px, 22vh, 250px);
}
.hm--1 { fill: #0a2b22; }
.hm--2 { fill: #0c3328; opacity: 0.92; }
.hm--3 { fill: #103d31; opacity: 0.9; }

.hero-inner { position: relative; z-index: 2; }
.hero .eyebrow--light { color: rgba(251, 248, 242, 0.72); }
.hero .eyebrow--light::before { background: var(--gold); }
.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.35rem, 5.6vw, 4.35rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 22px 0 0;
  max-width: 24ch;
  font-weight: 600;
  text-wrap: balance;
  word-break: auto-phrase;
  line-break: strict;
}
.hero-lead {
  margin-top: 26px;
  max-width: 60ch;
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.85;
  color: rgba(251, 248, 242, 0.76);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero .btn--primary { background: var(--paper); color: var(--pine); }
.hero .btn--primary:hover { background: #fff; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: clamp(48px, 7vh, 76px);
  padding-top: 30px;
  border-top: 1px solid rgba(251, 248, 242, 0.16);
}
.hero-stat-value {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  color: var(--paper);
  letter-spacing: 0.01em;
}
.hero-stat-label { margin-top: 6px; font-size: 13px; color: rgba(251, 248, 242, 0.6); line-height: 1.5; }

/* ---------------------------- 内页页头 ---------------------------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 9vh, 92px) 0 clamp(48px, 7vh, 72px);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-2);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% 0%, rgba(47, 139, 109, 0.14), transparent 46%),
    radial-gradient(circle at 12% 100%, rgba(179, 132, 60, 0.12), transparent 42%),
    repeating-radial-gradient(circle at 88% 0%, rgba(18, 32, 25, 0.045) 0 1px, transparent 1px 40px);
  pointer-events: none;
}
.page-hero .shell { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-2);
  margin-bottom: 22px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--pine); }
.breadcrumb-sep { color: var(--muted-2); }
.page-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin-top: 14px;
  max-width: 26ch;
  text-wrap: balance;
  word-break: auto-phrase;
}
.page-lead {
  margin-top: 18px;
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-updated { margin-top: 18px; font-size: 12.5px; color: var(--muted-2); }

/* ------------------------------ 通用区块 ------------------------------ */

.section { padding: clamp(64px, 9vh, 108px) 0; }
.section--alt { background: var(--paper-2); }
.section--stats { padding-top: clamp(44px, 5vh, 64px); padding-bottom: clamp(36px, 4vh, 52px); }
.section--table { background: var(--paper-2); }
.section--prose { background: var(--paper); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vh, 56px); }
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  line-height: 1.24;
  letter-spacing: -0.005em;
  text-wrap: balance;
}
.section-lead {
  margin-top: 16px;
  max-width: 66ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ------------------------------ 数据条 ------------------------------ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.stat {
  padding: 28px 26px 26px 0;
  border-right: 1px solid var(--line-2);
}
.stat:last-child { border-right: 0; }
.stat-value {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.2;
  color: var(--pine);
}
.stat-label { margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.stat-note { margin-top: 6px; font-size: 12.5px; color: var(--muted-2); }

/* ------------------------------ 卡片组 ------------------------------ */

.features-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  --cols: 3;
}
.features-grid[data-cols="2"] { --cols: 2; }
.features-grid[data-cols="3"] { --cols: 3; }
.features-grid[data-cols="4"] { --cols: 4; }
.features-grid > .card {
  flex: 0 1 calc((100% - (var(--cols) - 1) * 20px) / var(--cols) - 0.5px);
  min-width: 0;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 26px 32px;
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 139, 109, 0.28);
  box-shadow: var(--shadow-md);
}
.card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: 14px;
  background: var(--jade-soft);
  color: var(--pine);
}
.features-grid > .card:nth-child(3n + 2) .card-icon { background: #fbeee7; color: #a04d2e; }
.features-grid > .card:nth-child(3n + 3) .card-icon { background: #f6eeda; color: #8a6524; }
.icon { width: 24px; height: 24px; }
.card-title {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0.005em;
}
.lang-en .card-title { font-size: 18px; }
.card-title a { color: inherit; }
.card-title a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card-body { margin-top: 12px; font-size: 14.5px; line-height: 1.8; color: var(--muted); max-width: 64ch; }
.card-meta {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  color: var(--muted-2);
}
.card-arrow {
  position: absolute;
  top: 22px;
  right: 22px;
  font-size: 13px;
  color: var(--muted-2);
  opacity: 0;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.card:hover .card-arrow { opacity: 1; transform: translate(2px, -2px); }
.card:focus-within { outline: 3px solid rgba(47, 139, 109, 0.45); outline-offset: 3px; }

/* ------------------------------ 图文块 ------------------------------ */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.split--flip .split-copy { order: 2; }
.split-copy .section-title { max-width: 22ch; }
.split-text { margin-top: 22px; }
.split-text p { font-size: 16px; line-height: 1.85; color: var(--muted); }
.split-text p + p { margin-top: 14px; }

.bullets { margin-top: 28px; display: grid; gap: 18px; }
.bullet { display: flex; gap: 14px; }
.bullet-mark {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--terra);
}
.bullet-title { font-size: 15.5px; font-weight: 600; color: var(--ink); }
.bullet-body { margin-top: 3px; font-size: 14.5px; line-height: 1.7; color: var(--muted); }

.split-visual {
  position: relative;
  aspect-ratio: 4 / 3.5;
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(179, 132, 60, 0.2), transparent 46%),
    linear-gradient(155deg, #e8f1ea 0%, #d5e5da 46%, #f0e4cf 100%);
  border: 1px solid rgba(15, 59, 46, 0.14);
  box-shadow: var(--shadow-md);
}
.split-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.split-visual__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 26% 88%, rgba(47, 139, 109, 0.16), transparent 52%);
}
.v-contour { fill: none; stroke: rgba(15, 59, 46, 0.24); stroke-width: 1.2; }
.v-contour--soft { stroke: rgba(15, 59, 46, 0.14); }
.v-sun-ring { fill: none; stroke: rgba(179, 132, 60, 0.5); stroke-width: 1.2; }
.v-sun-dot { fill: rgba(179, 132, 60, 0.45); }
.v-route { fill: none; stroke: rgba(179, 132, 60, 0.72); stroke-width: 1.6; stroke-dasharray: 7 5; transition: stroke-dashoffset 0.8s var(--ease); }
.split-visual:hover .v-route { stroke-dashoffset: -36; }
.v-node { fill: #fbf8f2; stroke: rgba(184, 73, 43, 0.72); stroke-width: 1.5; }
.v-ridge { fill: none; stroke: rgba(15, 59, 46, 0.36); stroke-width: 1.6; }
.v-ridge--soft { stroke: rgba(15, 59, 46, 0.18); stroke-width: 1.2; }
.v-band { fill: none; stroke: rgba(15, 59, 46, 0.2); stroke-width: 1.2; }
.v-band--gold { stroke: rgba(179, 132, 60, 0.45); stroke-width: 1.4; }
.v-rail { fill: none; stroke: rgba(15, 59, 46, 0.42); stroke-width: 1.5; }
.v-skyline { fill: rgba(15, 59, 46, 0.12); }
.v-dot { fill: rgba(184, 73, 43, 0.55); }
.v-dot--soft { fill: rgba(15, 59, 46, 0.14); }

/* ------------------------------ 表格 ------------------------------ */

.table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}
.data-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.data-table th {
  padding: 16px 22px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.data-table td {
  padding: 18px 22px;
  font-size: 14.8px;
  line-height: 1.7;
  color: var(--muted);
  border-bottom: 1px solid var(--line-2);
  vertical-align: top;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table td:first-child { color: var(--ink); font-weight: 600; }
.data-table tbody tr:hover { background: rgba(243, 237, 225, 0.5); }
.table-note { margin-top: 16px; font-size: 12.5px; line-height: 1.7; color: var(--muted-2); max-width: 80ch; }

/* ------------------------------ 流程 ------------------------------ */

.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 36px);
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--line-2);
}
.step-num {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.step-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; }
.step-title { font-family: var(--serif); font-size: 19px; line-height: 1.4; }
.step-time {
  font-size: 12px;
  color: var(--jade);
  background: var(--jade-soft);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.step-body p { margin-top: 10px; font-size: 15px; line-height: 1.8; color: var(--muted); max-width: 72ch; }

/* ------------------------------ 问答 ------------------------------ */

.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line-2); }
.faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.55;
  color: var(--ink);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-icon { position: relative; flex-shrink: 0; width: 18px; height: 18px; margin-top: 5px; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--jade);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.faq-icon::before { left: 0; right: 0; top: 8px; height: 1.6px; }
.faq-icon::after { top: 0; bottom: 0; left: 8px; width: 1.6px; }
details[open] .faq-icon::after { transform: scaleY(0); opacity: 0; }
.faq-a { padding: 0 40px 24px 0; }
.faq-a p { font-size: 15px; line-height: 1.85; color: var(--muted); max-width: 74ch; }
details[open] .faq-a { animation: faq-in 0.3s var(--ease); }
@keyframes faq-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ------------------------------ 案例 ------------------------------ */

.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.case-grid > .case:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  width: calc(50% - 11px);
  justify-self: center;
}
.case {
  display: flex;
  flex-direction: column;
  padding: 32px 30px;
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}
.case-meta {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.case-name { font-family: var(--serif); font-size: 21px; line-height: 1.4; }
.case-summary { margin-top: 14px; font-size: 14.5px; line-height: 1.8; color: var(--muted); }
.case-metrics { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 24px; }
.case-metrics dt { font-family: var(--serif); font-size: 22px; color: var(--pine); line-height: 1.2; }
.case-metrics dd { margin-top: 4px; font-size: 12.5px; color: var(--muted-2); }
.case-quote {
  margin: 26px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--gold);
}
.case-quote p { font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.case-quote cite { display: block; margin-top: 8px; font-size: 12.5px; font-style: normal; color: var(--muted-2); }

/* ------------------------------ 成本对比 ------------------------------ */

.compare-table th.is-yl { background: var(--jade-soft); color: var(--pine); }
.compare-table td.is-yl { background: rgba(231, 240, 235, 0.55); color: var(--ink); font-weight: 600; }
.compare-table th:first-child { width: 20%; min-width: 150px; }

/* ------------------------------ 成本测算器 ------------------------------ */

.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 24px;
  align-items: start;
}
.calc-inputs {
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  padding: 4px 26px 14px;
}
.calc-group { padding: 18px 0; border-bottom: 1px dashed var(--line); }
.calc-group:last-child { border-bottom: 0; padding-bottom: 8px; }
.calc-group-title {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin: 0 0 10px;
}
.calc-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 7px 0;
}
.calc-label { font-size: 14px; color: var(--ink-2); }
.calc-input { display: flex; align-items: center; gap: 6px; }
.calc-input input {
  width: 112px;
  padding: 8px 10px;
  font: inherit;
  font-size: 14px;
  text-align: right;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.calc-input input:focus { outline: none; border-color: var(--jade); box-shadow: 0 0 0 3px rgba(47, 139, 109, 0.14); }
.calc-input em { font-size: 12px; font-style: normal; color: var(--muted-2); min-width: 76px; }

.calc-result {
  position: sticky;
  top: 100px;
  padding: 30px 28px;
  background: linear-gradient(160deg, #14483a 0%, #0f3b2e 58%, #0a2a20 100%);
  color: var(--paper);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}
.calc-result-title {
  margin-bottom: 16px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(251, 248, 242, 0.55);
}
.calc-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(251, 248, 242, 0.1);
  font-size: 14px;
  color: rgba(251, 248, 242, 0.72);
}
.calc-row strong { font-family: var(--serif); font-size: 18px; font-weight: 600; color: var(--paper); }
.calc-row--diff strong { color: #e9c98a; }
.calc-row--big { padding-top: 16px; border-bottom: 0; }
.calc-row--big strong { font-size: clamp(26px, 3vw, 34px); color: #f0d9a6; }
.calc-row--negative strong { color: #f0b8a6; }
.calc-hint { margin-top: 16px; font-size: 11.5px; line-height: 1.7; color: rgba(251, 248, 242, 0.45); }

@media (max-width: 980px) {
  .calc-grid { grid-template-columns: minmax(0, 1fr); }
  .calc-result { position: static; }
}

/* ------------------------------ 留资下载 ------------------------------ */

.section--gated { background: var(--paper-2); }
.gated-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.gated-checklist { margin-top: 24px; display: grid; gap: 12px; }
.gated-checklist li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
}
.gated-checklist li span {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--jade-soft);
  color: var(--pine);
  font-size: 12px;
}
.gated-card {
  padding: clamp(22px, 3vw, 32px);
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}
.gated-card-title { font-family: var(--serif); font-size: 17px; margin-bottom: 18px; }
.gated-card .field { margin-bottom: 14px; }
.gated-download { margin-top: 16px; padding-top: 18px; border-top: 1px dashed var(--line); }
.gated-hint { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--muted-2); }
.gated-hint a { color: var(--pine); border-bottom: 1px solid var(--line); }

@media (max-width: 980px) {
  .gated-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ------------------------------ 国家切换 ------------------------------ */

.section--country { background: var(--paper-2); }
.country-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.country-chip {
  padding: 9px 16px;
  font: inherit;
  font-size: 14px;
  color: var(--ink-2);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.country-chip:hover { border-color: var(--jade); color: var(--pine); }
.country-chip.is-active { background: var(--pine); color: var(--paper); border-color: var(--pine); }
.country-panel {
  margin-top: 20px;
  padding: clamp(22px, 3vw, 30px);
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  max-width: 760px;
}
.cs-title { font-family: var(--serif); font-size: 17px; margin-bottom: 6px; }
.cs-title span { font-family: var(--sans); font-size: 13px; color: var(--muted-2); margin-left: 8px; }
.cs-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-2);
}
.cs-key { width: 110px; flex-shrink: 0; font-size: 13px; color: var(--muted); }
.cs-row strong { font-family: var(--serif); font-size: 17px; color: var(--pine); }
.cs-row em { font-style: normal; font-size: 12px; color: var(--muted-2); }
.cs-apply { margin-top: 18px; }
.cs-note { margin-top: 14px; font-size: 11.5px; line-height: 1.7; color: var(--muted-2); }

/* ------------------------------ 正文 ------------------------------ */

.prose { max-width: 72ch; }
.prose p { margin-top: 16px; font-size: 15.5px; line-height: 1.9; color: var(--muted); }
.prose p:first-child { margin-top: 0; }

/* 案例页的脱敏声明做成一则提示卡，避免整页左窄右空 */
.page-cases .section--prose:first-of-type { padding-top: clamp(40px, 6vh, 64px); }
.page-cases .section--prose:first-of-type .prose {
  max-width: none;
  padding: clamp(24px, 3vw, 36px);
  background: var(--white);
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--gold);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}
.page-cases .section--prose:first-of-type .prose p { font-size: 15px; }
.page-cases .section--prose:first-of-type .prose-h { margin-top: 0; font-size: 19px; }
.prose-h {
  margin-top: 44px;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink);
}
.prose ul { margin-top: 14px; padding-left: 4px; }
.prose li {
  position: relative;
  padding-left: 18px;
  margin-top: 8px;
  font-size: 15.3px;
  line-height: 1.85;
  color: var(--muted);
}
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(47, 139, 109, 0.55);
}

/* ------------------------------ 行动号召 ------------------------------ */

.section--cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, #14483a 0%, #0f3b2e 55%, #0a2a20 100%);
  color: var(--paper);
}
.section--cta::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -180px;
  top: -260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 139, 109, 0.42), transparent 68%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(28px, 5vw, 64px);
}
.cta-text { max-width: 58ch; }
.cta-title {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.4vw, 2.8rem);
  line-height: 1.24;
}
.cta-body { margin-top: 16px; font-size: 16px; line-height: 1.8; color: rgba(251, 248, 242, 0.74); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.section--cta .btn--primary { background: var(--paper); color: var(--pine); }
.section--cta .btn--primary:hover { background: #fff; }
.section--cta .btn--light { border-color: rgba(251, 248, 242, 0.4); color: var(--paper); }
.section--cta .btn--light:hover { background: rgba(251, 248, 242, 0.1); }

/* ------------------------------ 联系表单 ------------------------------ */

.section--contact { background: var(--paper-2); }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}
.contact-details { margin-top: 36px; display: grid; gap: 16px; }
.contact-details dt {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.contact-details dd { margin-top: 3px; font-size: 15px; line-height: 1.65; color: var(--ink-2); }
.contact-details a { border-bottom: 1px solid var(--line); }
.contact-details a:hover { color: var(--pine); border-color: var(--jade); }

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-2);
}
.trust-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  color: var(--muted);
}
.trust-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade);
  opacity: 0.65;
}

.contact-form {
  padding: clamp(24px, 4vw, 38px);
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: block; margin-bottom: 16px; }
.field-label { display: block; margin-bottom: 7px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.field-input {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 14.8px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.field-input:focus { outline: none; border-color: var(--jade); background: var(--white); box-shadow: 0 0 0 3px rgba(47, 139, 109, 0.14); }
textarea.field-input { resize: vertical; min-height: 120px; }
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 6px 0 18px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}
.form-consent input { margin-top: 3px; accent-color: var(--jade); }
.form-consent a { color: var(--pine); border-bottom: 1px solid var(--line); }
.form-note { margin-top: 14px; font-size: 12px; line-height: 1.7; color: var(--muted-2); }
.form-promise { margin-top: 12px; font-size: 12.5px; line-height: 1.7; color: var(--muted-2); }
.form-status { margin-top: 12px; font-size: 13px; line-height: 1.6; min-height: 1.2em; }
.form-status.is-ok { color: var(--jade); }
.form-status.is-err { color: var(--terra); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ------------------------------ 页脚 ------------------------------ */

.site-footer {
  background: #0a2a20;
  color: rgba(251, 248, 242, 0.72);
  padding: clamp(56px, 8vh, 80px) 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.2fr;
  gap: clamp(28px, 4vw, 56px);
}
.brand--footer .brand-mark { background: rgba(251, 248, 242, 0.1); color: var(--paper); }
.brand--footer .brand-name { color: var(--paper); }
.footer-tagline { margin-top: 20px; font-size: 14px; line-height: 1.7; color: rgba(251, 248, 242, 0.6); max-width: 34ch; }
.footer-disclaimer { margin-top: 22px; font-size: 12px; line-height: 1.75; color: rgba(251, 248, 242, 0.42); max-width: 42ch; }
.footer-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(251, 248, 242, 0.45);
  margin-bottom: 16px;
}
.footer-links { display: grid; gap: 10px; font-size: 14px; }
.footer-links a { color: rgba(251, 248, 242, 0.75); transition: color 0.2s var(--ease); }
.footer-links a:hover { color: var(--paper); }
.footer-contact { display: grid; gap: 10px; font-size: 13.5px; line-height: 1.65; color: rgba(251, 248, 242, 0.62); }
.footer-contact a { color: rgba(251, 248, 242, 0.82); }
.footer-contact a:hover { color: var(--paper); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(40px, 6vh, 60px);
  padding-top: 22px;
  border-top: 1px solid rgba(251, 248, 242, 0.1);
  font-size: 12.5px;
  color: rgba(251, 248, 242, 0.45);
}
.footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.footer-legal a { color: rgba(251, 248, 242, 0.62); }
.footer-legal a:hover { color: var(--paper); }

.to-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 40;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--white);
  color: var(--pine);
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }

/* ------------------------------ 动效 ------------------------------ */

.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .features-grid.reveal > *, .js .case-grid.reveal > * { transition-delay: 0.03s; }

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

/* ------------------------------ 响应式 ------------------------------ */

@media (max-width: 1280px) {
  .header-cta { display: none; }
}

@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col--contact { grid-column: 1 / -1; }
}

@media (max-width: 1120px) {
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 80;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(340px, 84vw);
    height: 100vh;
    margin: 0;
    padding: 88px 20px 32px;
    background: var(--paper);
    border-left: 1px solid var(--line-2);
    box-shadow: -30px 0 60px -40px rgba(18, 32, 25, 0.5);
    transform: translateX(105%);
    transition: transform 0.4s var(--ease);
    overflow-y: auto;
  }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav { transform: none; }
  body.nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(10, 42, 32, 0.42);
    backdrop-filter: blur(2px);
  }
  .nav-link { padding: 15px 6px; font-size: 17px; border-bottom: 1px solid var(--line-2); border-radius: 0; }
  .nav-link.is-active::after { left: 6px; right: auto; width: 18px; bottom: 12px; }
  .header-actions { margin-left: auto; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { padding: 24px 20px 22px 0; }
  .stat:nth-child(2n) { border-right: 0; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .split--flip .split-copy { order: 0; }
  .split-visual { max-width: 620px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .features-grid[data-cols] { --cols: 2; }
  .case-grid { grid-template-columns: minmax(0, 1fr); }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 620px) {
  .header-inner { min-height: 66px; gap: 14px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 17px; }
  .features-grid[data-cols] { --cols: 1; }
  .form-row { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .step { grid-template-columns: 44px minmax(0, 1fr); gap: 14px; }
  .hero { padding-top: 56px; }
  .hero-title { max-width: none; }
  .page-title { max-width: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .case { padding: 26px 22px; }
  .card { padding: 26px 22px 28px; }
  .stats-grid { border-top: 1px solid var(--line); }
  .stat { padding: 20px 16px 20px 0; }
  .stat-value { font-size: 1.35rem; }
}

/* ------------------------------ 打印 ------------------------------ */

@media print {
  .site-header, .to-top, .site-footer, .hero-bg, .hero-mountains, .contact-form { display: none; }
  body { background: #fff; color: #000; }
  .hero, .section--cta { background: #fff; color: #000; }
  .hero-lead, .cta-body { color: #333; }
}

/* ===== 获客优化：信任条 / 移动端 CTA / AI 助手 ===== */

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(251, 248, 242, 0.14);
  list-style: none;
  font-size: 12.5px;
  color: rgba(251, 248, 242, 0.65);
}
.hero-trust li { display: flex; align-items: center; gap: 8px; }
.hero-trust li::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
}

.mobile-cta { display: none; }

.ai-root {
  position: fixed;
  right: clamp(14px, 3vw, 26px);
  bottom: clamp(14px, 3vw, 26px);
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.ai-fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--pine);
  color: var(--paper);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}
.ai-fab-icon { color: #e9c98a; font-size: 15px; }
.ai-panel {
  width: min(384px, calc(100vw - 28px));
  height: min(540px, calc(100vh - 130px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}
.ai-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 15px 18px;
  background: var(--pine);
  color: var(--paper);
}
.ai-head strong { display: block; font-family: var(--serif); font-size: 16px; }
.ai-head span { display: block; margin-top: 2px; font-size: 12px; color: rgba(251, 248, 242, 0.65); }
.ai-close { border: 0; background: none; color: var(--paper); font-size: 22px; line-height: 1; cursor: pointer; }
.ai-body { flex: 1; overflow-y: auto; padding: 16px; }
.ai-messages { display: grid; gap: 12px; }
.ai-msg { max-width: 92%; padding: 11px 14px; border-radius: 14px; font-size: 14px; line-height: 1.65; }
.ai-msg p { margin: 0; }
.ai-msg--bot { justify-self: start; background: var(--white); border: 1px solid var(--line-2); color: var(--ink-2); border-bottom-left-radius: 5px; }
.ai-msg--user { justify-self: end; background: var(--pine); color: var(--paper); border-bottom-right-radius: 5px; }
.ai-ctas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.ai-cta { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12.5px; color: var(--pine); }
.ai-cta--primary { background: var(--jade-soft); border-color: transparent; font-weight: 600; }
.ai-quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.ai-chip {
  padding: 7px 12px;
  border: 1px dashed var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
}
.ai-chip:hover { border-color: var(--jade); color: var(--pine); }
.ai-form { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line-2); background: var(--white); }
.ai-input { flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; font-size: 14px; background: var(--paper); color: var(--ink); }
.ai-send { padding: 10px 16px; border: 0; border-radius: 10px; background: var(--pine); color: var(--paper); font: inherit; font-size: 14px; cursor: pointer; }
.ai-disclaimer { margin: 0; padding: 8px 14px 10px; background: var(--white); font-size: 10.5px; line-height: 1.5; color: var(--muted-2); }

@media (max-width: 620px) {
  body { padding-bottom: 74px; }
  .mobile-cta {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 92;
    gap: 10px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(251, 248, 242, 0.97);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(10px);
  }
  .mobile-cta a { flex: 1; text-align: center; padding: 12px 10px; border-radius: 999px; font-size: 14px; font-weight: 600; }
  .mobile-cta .m-primary { background: var(--pine); color: var(--paper); }
  .mobile-cta .m-secondary { border: 1px solid var(--line); color: var(--ink); }
  .ai-root { bottom: 86px; right: 14px; }
  .ai-fab { padding: 12px 16px; }
  .ai-fab-text { display: none; }
  .ai-panel { height: min(500px, calc(100vh - 170px)); }
}

.form-intro{margin:0 0 16px;padding-bottom:14px;border-bottom:1px dashed var(--line);font-size:13px;line-height:1.6;color:var(--muted)}


.ai-panel[hidden]{display:none}


/* ------------------------------ 首页视频 ------------------------------ */
.section--video { background: var(--paper); }
.video-wrap { max-width: 1040px; }
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line-2);
  background: #0a2a20;
  box-shadow: var(--shadow-md);
}
.video-frame img,
.video-frame video,
.video-frame iframe { display: block; width: 100%; height: 100%; border: 0; object-fit: cover; }
.video-frame video { background: #0a2a20; }
.video-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(10, 42, 32, 0.62);
  color: #fbf8f2;
  font-size: 12px;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}
.video-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; align-items: center; }
.video-note { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--muted-2); }

/* 统计同意条 */
.consent-bar { position: fixed; left: 16px; bottom: 16px; z-index: 99; max-width: 420px; padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-md); font-size: 12.5px; line-height: 1.6; color: var(--muted); }
.consent-bar p { margin: 0 0 10px; }
.consent-actions { display: flex; gap: 8px; }
.consent-actions button { padding: 7px 14px; border-radius: 999px; font-size: 12.5px; cursor: pointer; border: 1px solid var(--line); background: var(--white); color: var(--ink); }
.consent-actions .consent-accept { background: var(--pine); color: var(--paper); border-color: var(--pine); }
@media (max-width: 620px) { .consent-bar { left: 12px; right: 12px; bottom: 86px; max-width: none; } }