/* ============================================================
   启爱婚恋 QIAI · 品牌官网样式表
   设计：墨蓝底 / 暖纸白 / 赤陶强调 / 衬线标题
   ============================================================ */

:root {
  --ink: #362924;
  --ink-2: #55443C;
  --ink-3: #7C6B62;
  --ink-4: #A3948C;

  --paper: #FDFAF6;
  --paper-2: #F8F1E9;
  --paper-3: #F0E5DA;

  /* 实色强调块（CTA） */
  --deep: #B5614F;
  --deep-2: #A5553F;
  --deep-3: #8F4936;

  /* 浅玫瑰色块（数据条 / 服务边界） */
  --rose: #F7E5DD;
  --rose-2: #F2D8CC;

  --accent: #B5614F;
  --accent-soft: #D49A87;
  --accent-wash: #F8E8E1;
  --gold: #C2A173;
  --gold-soft: #D8BE98;

  --line: rgba(54, 41, 36, 0.10);
  --line-strong: rgba(54, 41, 36, 0.18);
  --line-light: rgba(54, 41, 36, 0.12);
  --rose-line: rgba(181, 97, 79, 0.18);

  --font-display: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif SC",
    "Times New Roman", serif;
  --font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system,
    "Segoe UI", system-ui, sans-serif;

  --nav-h: 78px;
  --radius: 3px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

::selection {
  background: var(--accent);
  color: #fff;
}

/* ---------------- 版心与栅格 ---------------- */

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.wrap-narrow { max-width: 880px; }

.section {
  padding: clamp(72px, 9vw, 132px) 0;
  position: relative;
}

.section--tight { padding: clamp(56px, 6vw, 88px) 0; }
.section--paper { background: var(--paper-2); }
.section--deep { background: var(--rose); color: var(--ink); }
.section--deep .eyebrow { color: var(--accent); }
.section--deep .h2 { color: var(--ink); }
.section--deep .lead { color: var(--ink-3); }

/* ---------------- 排版 ---------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 22px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.h-display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(42px, 6.4vw, 78px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0;
}

.h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.26;
  letter-spacing: 0.01em;
  margin: 0;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.34;
  letter-spacing: 0.01em;
  margin: 0;
}

.h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.1vw, 24px);
  line-height: 1.5;
  margin: 0;
}

.lead {
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.95;
  color: var(--ink-3);
  margin: 0;
  max-width: 62ch;
}

.lead span {
  display: block;
  margin-top: 6px;
}

.body-text { color: var(--ink-3); margin: 0; }
.body-text + .body-text { margin-top: 18px; }

.small {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-4);
  letter-spacing: 0.02em;
}

.serif-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.65;
  letter-spacing: 0.01em;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: #A6513A;
  border-color: #A6513A;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--ink);
  background: rgba(15, 27, 45, 0.03);
}

.btn--light {
  background: transparent;
  color: #FFF9F5;
  border-color: rgba(255, 249, 245, 0.45);
}

.btn--light:hover {
  background: rgba(255, 249, 245, 0.12);
  border-color: rgba(255, 249, 245, 0.85);
}

.btn--solid-light {
  background: #FFF9F5;
  color: var(--deep);
  border-color: #FFF9F5;
}

.btn--solid-light:hover {
  background: #fff;
  transform: translateY(-1px);
}

.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.3s var(--ease);
}

.link-arrow:hover { border-color: var(--accent); }
.link-arrow svg { transition: transform 0.3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------------- 导航 ---------------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.is-solid {
  background: rgba(253, 250, 246, 0.93);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand__mark { width: 34px; height: 34px; }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__cn {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--ink);
  transition: color 0.4s var(--ease);
}

.brand__en {
  font-size: 9px;
  letter-spacing: 0.32em;
  color: var(--ink-4);
  text-transform: uppercase;
  transition: color 0.4s var(--ease);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav__link {
  position: relative;
  padding: 9px 16px;
  font-size: 14.5px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  transition: color 0.3s var(--ease);
}

.nav__link:hover { color: var(--ink); }
.nav.is-solid .nav__link { color: var(--ink-3); }
.nav.is-solid .nav__link:hover { color: var(--ink); }

.nav__link.is-active { color: var(--accent); }
.nav.is-solid .nav__link.is-active { color: var(--accent); }

.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 1px;
  background: currentColor;
  opacity: 0.8;
}

.nav__cta { margin-left: 18px; }
.nav .btn { height: 42px; padding: 0 22px; font-size: 13.5px; }

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink);
}

.nav.is-solid .nav__toggle {
  border-color: var(--line-strong);
  color: var(--ink);
}

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  background: linear-gradient(180deg, #FFFDFA 0%, var(--paper) 46%, #FBF1E9 100%);
  color: var(--ink);
  padding: calc(var(--nav-h) + 72px) 0 96px;
  overflow: hidden;
}

.hero__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(
      circle at 84% 26%,
      rgba(212, 154, 135, 0.3),
      transparent 44%
    ),
    radial-gradient(circle at 10% 92%, rgba(216, 190, 152, 0.28), transparent 48%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: linear-gradient(
      to right,
      rgba(54, 41, 36, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(54, 41, 36, 0.045) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(
    circle at 50% 40%,
    #000 0%,
    transparent 76%
  );
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(32px, 4.4vw, 64px);
  align-items: center;
}

.hero .eyebrow { color: var(--accent); }

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 4.5vw, 57px);
  line-height: 1.26;
  letter-spacing: 0.01em;
  margin: 0 0 24px;
}

.hero__title em {
  font-style: normal;
  color: var(--accent);
}

.hero__sub {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.95;
  color: var(--ink-3);
  max-width: 31em;
  margin: 0 0 38px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.hero__trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

.hero__trust-item svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--accent);
}

/* 品牌图形 */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual svg { width: 100%; height: auto; }

.ring-slow,
.ring-rev {
  transform-box: view-box;
  transform-origin: center;
  transform-origin: 300px 300px;
}

.ring-slow { animation: spin 68s linear infinite; }
.ring-rev { animation: spin 94s linear infinite reverse; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero__badge {
  position: absolute;
  left: -6%;
  bottom: 8%;
  background: rgba(255, 253, 250, 0.82);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 16px 22px;
  border-radius: var(--radius);
  box-shadow: 0 18px 40px -32px rgba(54, 41, 36, 0.5);
}

.hero__badge-num {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--accent);
  line-height: 1.2;
}

.hero__badge-label {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  margin-top: 4px;
}

/* ---------------- 信任条 ---------------- */

.trustbar {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}

.trustbar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trustbar__item {
  padding: 30px 26px;
  border-left: 1px solid var(--line);
}

.trustbar__item:first-child { border-left: 0; padding-left: 0; }

.trustbar__title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.trustbar__title svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.trustbar__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-3);
  margin: 0;
}

/* ---------------- 章节头 ---------------- */

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.sec-head__aside { padding-top: 6px; }

.sec-head--center {
  display: block;
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.sec-head--center .lead { margin-left: auto; margin-right: auto; }

/* ---------------- 服务卡片 ---------------- */

.svc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.svc {
  position: relative;
  padding: 42px 40px 42px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}

.svc:nth-child(odd) {
  padding-right: 48px;
  border-right: 1px solid var(--line);
}

.svc:nth-child(even) {
  padding-left: 48px;
}

.svc:hover { background: rgba(185, 94, 69, 0.028); }

.svc__no {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 18px;
}

.svc__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 600;
  margin: 0 0 14px;
  line-height: 1.45;
}

.svc__desc {
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.9;
  margin: 0 0 18px;
}

.svc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.svc__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}

.svc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--accent-soft);
}

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

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rose-line);
}

.stats__item {
  padding: 34px 28px;
  border-left: 1px solid var(--rose-line);
}

.stats__item:first-child { border-left: 0; padding-left: 0; }

.stats__num {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 46px);
  line-height: 1.1;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.stats__num span {
  font-size: 0.44em;
  letter-spacing: 0.06em;
  margin-left: 4px;
}

.stats__label {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

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

.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  counter-reset: step;
}

.flow__step {
  position: relative;
  padding: 34px 26px 0 0;
}

.flow__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 26px;
  height: 1px;
  background: var(--line-strong);
}

.flow__step::after {
  content: "";
  position: absolute;
  top: -3.5px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.flow__no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.flow__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 10px;
}

.flow__desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-3);
  margin: 0;
}

/* ---------------- 故事 ---------------- */

.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.story {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 38px 32px 30px;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  position: relative;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.story:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px -28px rgba(15, 27, 45, 0.32);
}

.story__mark {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1;
  color: var(--gold-soft);
  height: 30px;
}

.story__text {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-2);
  margin: 14px 0 26px;
  flex: 1;
}

.story__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.story__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-wash);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  flex-shrink: 0;
}

.story__name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.story__tag {
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: 0.03em;
}

/* ---------------- FAQ ---------------- */

.faq {
  border-top: 1px solid var(--line);
}

.faq__item { border-bottom: 1px solid var(--line); }

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-size: 16.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-family: var(--font-ui);
  transition: color 0.3s var(--ease);
}

.faq__q:hover { color: var(--accent); }

.faq__icon {
  position: relative;
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}

.faq__icon::before { top: 7px; left: 0; width: 15px; height: 1px; }
.faq__icon::after { left: 7px; top: 0; height: 15px; width: 1px; }

.faq__item.is-open .faq__icon::after { transform: scaleY(0); opacity: 0; }

.faq__a {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.45s var(--ease);
}

.faq__a-inner {
  padding: 0 60px 28px 0;
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.95;
}

/* ---------------- CTA ---------------- */

/* 浅玫瑰收尾：用浅色面板代替实色块，压住页面节奏 */
.cta {
  background: linear-gradient(155deg, var(--rose) 0%, var(--rose-2) 100%);
  color: var(--ink);
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 8vw, 112px) 0;
  border-top: 1px solid var(--rose-line);
}

.cta__glow {
  position: absolute;
  width: 620px;
  height: 620px;
  right: -180px;
  top: -260px;
  background: radial-gradient(circle, rgba(181, 97, 79, 0.13), transparent 68%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.35;
  margin: 0 0 20px;
  color: var(--ink);
}

.cta__desc {
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.95;
  margin: 0;
  max-width: 46ch;
}

.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* 浅色面板：在浅玫瑰底上形成明确重心 */
.cta__side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: rgba(255, 252, 249, 0.78);
  border: 1px solid rgba(181, 97, 79, 0.16);
  border-radius: var(--radius);
  padding: 30px 32px;
  box-shadow: 0 20px 48px -30px rgba(54, 41, 36, 0.45);
}

/* 浅底上主按钮回到豆沙实色 */
.cta .btn--primary {
  background: var(--accent);
  color: #FFF9F5;
  border-color: var(--accent);
}

.cta .btn--primary:hover {
  background: var(--deep-2);
  border-color: var(--deep-2);
  transform: translateY(-1px);
}

.cta .btn--light {
  color: var(--ink);
  border-color: rgba(54, 41, 36, 0.26);
}

.cta .btn--light:hover {
  background: rgba(54, 41, 36, 0.05);
  border-color: var(--ink-3);
}

.cta__contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 20px;
  border-left: 1px solid var(--rose-line);
}

.cta__contact-label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ink-4);
}

.cta__contact-value {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

/* ---------------- 表单 ---------------- */

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }

.field label {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  font-weight: 500;
}

.field label .req { color: var(--accent); margin-left: 3px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-ui);
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  appearance: none;
}

.field textarea { resize: vertical; min-height: 108px; line-height: 1.8; }

.field select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235E6C7E' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(185, 94, 69, 0.1);
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ink-4); }

.form__note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  color: var(--ink-4);
  line-height: 1.8;
  margin: 4px 0 0;
}

.form__actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.form__success {
  display: none;
  grid-column: 1 / -1;
  padding: 18px 20px;
  background: var(--accent-wash);
  border-left: 2px solid var(--accent);
  font-size: 14px;
  color: var(--ink-2);
  border-radius: var(--radius);
}

.form.is-done .form__success { display: block; }

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

.footer {
  background: #F7EEE6;
  color: var(--ink-3);
  padding: 76px 0 0;
  font-size: 14px;
  border-top: 1px solid var(--line);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 56px;
}

.footer__brand .brand { margin-bottom: 20px; }
.footer__brand .brand__cn { color: var(--ink); }
.footer__brand .brand__en { color: var(--ink-4); }

.footer__about {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-3);
  max-width: 32ch;
  margin: 0;
}

.footer__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin: 0 0 20px;
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__list a,
.footer__list li {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
  transition: color 0.3s var(--ease);
}

.footer__list a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 1px solid var(--line);
  padding: 26px 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--ink-4);
  letter-spacing: 0.02em;
}

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

.pagehead {
  background: linear-gradient(180deg, #F9EDE3 0%, #FCF6F0 62%, var(--paper) 100%);
  color: var(--ink);
  padding: calc(var(--nav-h) + 78px) 0 84px;
  position: relative;
  overflow: hidden;
}

.pagehead__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.6;
  background-image: linear-gradient(
      to right,
      rgba(54, 41, 36, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(54, 41, 36, 0.045) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, #000, transparent 92%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 92%);
}

.pagehead__inner { position: relative; }

.pagehead__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.28;
  margin: 0 0 20px;
  letter-spacing: 0.01em;
}

.pagehead__sub {
  color: var(--ink-3);
  font-size: 16px;
  line-height: 1.95;
  max-width: 56ch;
  margin: 0;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-4);
  margin-bottom: 26px;
}

.crumb a:hover { color: var(--accent); }
.crumb span { opacity: 0.6; }

/* ---------------- 通用布局块 ---------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}

.split--top { align-items: start; }

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: clamp(28px, 3.4vw, 48px);
  border-radius: var(--radius);
}

.panel--paper { background: var(--paper-2); border-color: transparent; }

.quote-block {
  border-left: 2px solid var(--gold);
  padding-left: 26px;
  margin: 0;
}

.num-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: n;
}

.num-list li {
  counter-increment: n;
  position: relative;
  padding: 22px 0 22px 56px;
  border-bottom: 1px solid var(--line);
}

.num-list li::before {
  content: "0" counter(n);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.num-list li:last-child { border-bottom: 0; }

.num-list__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 8px;
}

.num-list__desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-3);
  margin: 0;
}

/* 卡片网格 */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  padding: 34px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card--paper {
  background: var(--paper);
  border-color: var(--line);
  box-shadow: 0 1px 0 rgba(15, 27, 45, 0.02);
}

.card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
  margin-bottom: 20px;
}

.card__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 10px;
}

.card__desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-3);
  margin: 0;
}

/* 方案 */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.plan {
  padding: 38px 32px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan--feature {
  background: var(--deep);
  border-color: var(--deep);
  color: #FFF9F5;
  box-shadow: 0 26px 54px -36px rgba(181, 97, 79, 0.75);
}

.plan--feature .plan__desc { color: rgba(255, 249, 245, 0.8); }
.plan--feature .plan__list li {
  color: rgba(255, 249, 245, 0.94);
  border-color: rgba(255, 249, 245, 0.22);
}
.plan--feature .plan__list li::before { background: rgba(255, 249, 245, 0.75); }

.plan__flag {
  position: absolute;
  top: -11px;
  left: 32px;
  background: #FFF9F5;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: 2px;
  box-shadow: 0 4px 12px -6px rgba(54, 41, 36, 0.4);
}

.plan__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 8px;
}

.plan__desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-3);
  margin: 0 0 24px;
  min-height: 48px;
}

.plan__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  flex: 1;
}

.plan__list li {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 13.5px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 6px;
  height: 1px;
  background: var(--accent-soft);
}

/* 信息行 */
.info-row {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.info-row:last-child { border-bottom: 0; }

.info-row__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
}

.info-row__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  margin-bottom: 4px;
}

.info-row__value {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.7;
}

/* 引导条 */
.pull {
  padding: clamp(30px, 4vw, 52px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pull__text {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 29px);
  line-height: 1.7;
  color: var(--ink);
  margin: 0;
  max-width: 78ch;
}

/* 地图占位 */
.map {
  aspect-ratio: 16 / 8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-2)
    url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 0h60v60H0z' fill='none'/%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23D8D0C2' stroke-width='1'/%3E%3C/svg%3E");
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.map__inner { max-width: 340px; }

.map__pin {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map__title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.map__desc { font-size: 13px; color: var(--ink-3); line-height: 1.8; margin: 0; }

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

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ring-slow, .ring-rev { animation: none; }
}

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

@media (max-width: 1080px) {
  .footer__top { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__col--addr { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  :root { --nav-h: 68px; }

  .hero { padding: calc(var(--nav-h) + 52px) 0 72px; }

  .hero__inner { grid-template-columns: 1fr; gap: 44px; }

  .hero__visual { max-width: 440px; margin: 0 auto; width: 100%; }

  .hero__badge { left: auto; right: 4%; bottom: 2%; }

  .trustbar__grid { grid-template-columns: repeat(2, 1fr); }
  .trustbar__item { padding: 24px 20px; }
  .trustbar__item:first-child { padding-left: 20px; }
  .trustbar__item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .trustbar__item:nth-child(n + 3) { border-top: 1px solid var(--line); }

  .sec-head { grid-template-columns: 1fr; align-items: start; }

  .svc-grid { grid-template-columns: 1fr; }
  .svc:nth-child(odd) { padding-right: 0; border-right: 0; }
  .svc:nth-child(even) { padding-left: 0; }
  .svc { padding: 34px 0; }

  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item { padding: 26px 22px; }
  .stats__item:first-child { padding-left: 22px; }
  .stats__item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stats__item:nth-child(n + 3) { border-top: 1px solid var(--rose-line); }

  .flow { grid-template-columns: repeat(2, 1fr); gap: 0 24px; }
  .flow__step { padding-bottom: 30px; }

  .story-grid { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }

  .split { grid-template-columns: 1fr; }
  .cta__inner { grid-template-columns: 1fr; }

  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 28px 20px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s var(--ease);
    box-shadow: 0 24px 40px -28px rgba(15, 27, 45, 0.4);
  }

  .nav__links.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    color: var(--ink-2);
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav__link:hover { color: var(--accent); }
  .nav__link.is-active { color: var(--accent); }
  .nav__link.is-active::after { display: none; }

  .nav__cta { margin: 16px 0 0; }
  .nav__cta .btn { width: 100%; }
  .nav__toggle { display: inline-flex; }

  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }

  .hero__actions .btn { flex: 1 1 100%; }
  .hero__badge { position: static; margin-top: 24px; display: inline-block; }
  .hero__visual { display: block; }

  .flow { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stats__item { padding-left: 0 !important; border-left: 0 !important; }
  .stats__item + .stats__item { border-top: 1px solid var(--rose-line); }

  .trustbar__grid { grid-template-columns: 1fr; }
  .trustbar__item { padding-left: 0 !important; border-left: 0 !important; }
  .trustbar__item + .trustbar__item { border-top: 1px solid var(--line); }

  .form { grid-template-columns: 1fr; }
  .form__actions .btn { width: 100%; }

  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }

  .faq__a-inner { padding-right: 24px; }
  .plan__desc { min-height: 0; }
  .story { padding: 30px 24px 26px; }
  .card { padding: 28px 24px; }
}