/* =====================================================================
   深圳市新国旅国际旅行社有限公司 — 官网样式
   设计基调：精致编辑风旅行品牌 · 深松绿 + 暖金 + 米白纸感
   全部使用系统字体栈，保证国内加载速度（利于 GEO 性能）
   ===================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  --ink:        #1b211e;
  --ink-soft:   #4c554f;
  --ink-faint:  #7c847e;

  --cream:      #f6f1e6;   /* 页面底色 */
  --cream-2:    #efe7d6;   /* 交替区块 */
  --paper:      #fffdf8;   /* 卡片 */

  --jade:       #0f4c43;   /* 主色 深松绿 */
  --jade-deep:  #0a3730;
  --jade-2:     #17685b;
  --jade-tint:  #e6efea;

  --gold:       #b3842d;   /* 点缀 暖金 */
  --gold-soft:  #d9b768;
  --terra:      #bd5a34;   /* 辅助暖色 */

  --line:       rgba(27,33,30,.14);
  --line-soft:  rgba(27,33,30,.08);

  --font-serif: Georgia, "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;

  --wrap: 1180px;
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(27,33,30,.06), 0 2px 8px rgba(27,33,30,.05);
  --shadow-md: 0 12px 40px -18px rgba(10,55,48,.45);
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background-color: var(--cream);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(179,132,45,.07), transparent 60%),
    radial-gradient(900px 500px at -10% 8%, rgba(15,76,67,.06), transparent 55%);
  line-height: 1.75;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* height:auto 必须与 HTML 的 width/height 属性配套：
   否则 max-width 收窄宽度时，height 属性仍生效会把图片纵向拉伸变形。
   需要固定高度的（hero__frame / dest-tile / dest-photo / brand__mark）已各自覆盖。 */
img { max-width: 100%; height: auto; display: block; }
a { color: var(--jade); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--gold); }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 700; line-height: 1.28; color: var(--ink); margin: 0 0 .5em; letter-spacing: .01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: .35em; }
strong { color: var(--jade-deep); }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 60px 0; }
.section--alt { background: var(--cream-2); }
.section--jade { background: var(--jade); color: #eaf2ee; }
.section--jade h1, .section--jade h2, .section--jade h3 { color: #fff; }

.lead { font-size: 1.16rem; color: var(--ink-soft); max-width: 62ch; }
.muted { color: var(--ink-faint); }
.center { text-align: center; }
.tag-todo { display: inline; color: var(--terra); font-style: normal; background: rgba(189,90,52,.09);
  padding: 0 .35em; border-radius: 3px; font-size: .92em; }

/* ---------- 眉标 / 章节标题 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-sans); font-size: .78rem; font-weight: 700;
  letter-spacing: .28em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--gold); display: inline-block; }
.section-head { max-width: 64ch; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.center .eyebrow { justify-content: center; }
.center .section-head { margin-inline: auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-sans); font-weight: 600; font-size: .98rem;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: all .25s var(--ease); white-space: nowrap;
}
.btn--primary { background: var(--jade); color: #fff; }
.btn--primary:hover { background: var(--jade-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--gold { background: var(--gold); color: #241a05; }
.btn--gold:hover { background: var(--gold-soft); color: #241a05; transform: translateY(-2px); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--jade); color: var(--jade); background: var(--paper); }
.btn--on-jade { background: var(--gold); color: #241a05; }
.btn--on-jade:hover { background: #fff; color: var(--jade-deep); transform: translateY(-2px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 顶部公告条 ---------- */
.topbar {
  background: var(--jade-deep); color: #d7e5df; font-size: .84rem; letter-spacing: .02em;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; flex-wrap: wrap; }
.topbar a { color: #f0e2bd; }
.topbar a:hover { color: #fff; }
.topbar__note { display: inline-flex; align-items: center; gap: 8px; }
.topbar__contact { display: inline-flex; align-items: center; gap: 22px; }

/* ---------- 页头 / 导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,241,230,.86); backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { width: 44px; height: 44px; flex: none; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__cn { font-family: var(--font-serif); font-weight: 700; font-size: 1.12rem; color: var(--jade-deep); letter-spacing: .02em; }
.brand__en { font-size: .66rem; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); }

.nav__links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  display: block; padding: 8px 14px; font-size: .96rem; font-weight: 500; color: var(--ink); border-radius: 6px;
}
.nav__links a:hover { color: var(--jade); background: var(--jade-tint); }
.nav__links a[aria-current="page"] { color: var(--jade); font-weight: 600; }
.nav__cta { margin-left: 6px; }

/* ---------- 导航下拉（出境/国内） ---------- */
.nav__item--has-sub { position: relative; }
.nav__parent.is-active { color: var(--jade); font-weight: 600; }
.nav__caret {
  display: inline-block; margin-left: 5px; vertical-align: middle;
  border: 4px solid transparent; border-top-color: currentColor; border-bottom: 0;
  transition: transform .2s var(--ease);
}
.nav__item--has-sub:hover .nav__caret,
.nav__item--has-sub:focus-within .nav__caret { transform: rotate(180deg); }
.nav__sub {
  position: absolute; top: 100%; left: 0; min-width: 152px; margin: 0; padding: 6px;
  list-style: none; background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: 8px; box-shadow: 0 14px 34px rgba(10,55,48,.16); z-index: 50;
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s var(--ease);
}
.nav__item--has-sub:hover .nav__sub,
.nav__item--has-sub:focus-within .nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__sub a { white-space: nowrap; }

.nav__toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--paper);
  border-radius: 8px; cursor: pointer; align-items: center; justify-content: center;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: .25s var(--ease);
}
.nav__toggle span::before { position: absolute; top: -6px; }
.nav__toggle span::after { position: absolute; top: 6px; }
.nav.open .nav__toggle span { background: transparent; }
.nav.open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
.nav.open .nav__toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 92px 0 96px; }
.hero__kicker { color: var(--gold); }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); line-height: 1.14; margin-bottom: .35em; }
.hero h1 .u { color: var(--jade); position: relative; }
.hero h1 .u::after { content: ""; position: absolute; left: 0; right: 0; bottom: .08em; height: .16em; background: var(--gold-soft); opacity: .55; z-index: -1; }
.hero__lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 52ch; margin-bottom: 28px; }
.hero__meta { display: flex; gap: 30px; margin-top: 34px; flex-wrap: wrap; }
.hero__meta div { display: flex; flex-direction: column; }
.hero__meta b { font-family: var(--font-serif); font-size: 1.7rem; color: var(--jade); }
.hero__meta span { font-size: .82rem; color: var(--ink-faint); letter-spacing: .04em; }

.hero__visual { position: relative; }
.hero__frame {
  aspect-ratio: 4/5; border-radius: 8px; overflow: hidden; position: relative;
  background:
    linear-gradient(150deg, rgba(10,55,48,.14), rgba(179,132,45,.16)),
    radial-gradient(circle at 30% 20%, #2a7d6d, transparent 55%),
    linear-gradient(160deg, #0f4c43, #0a3730 70%);
  box-shadow: var(--shadow-md); border: 1px solid rgba(255,255,255,.14);
}
.hero__frame .placeholder-note { position: absolute; inset: auto 14px 14px 14px; }
.hero__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(10,55,48,.12), rgba(10,55,48,.35)); z-index: 1; }
.hero__badge {
  position: absolute; bottom: -22px; left: -22px; background: var(--paper); border: 1px solid var(--line);
  border-radius: 10px; padding: 16px 20px; box-shadow: var(--shadow-md); max-width: 230px;
}
.hero__badge b { display: block; font-family: var(--font-serif); color: var(--jade-deep); font-size: 1.05rem; }
.hero__badge span { font-size: .82rem; color: var(--ink-faint); }

/* 图片占位标注 */
.placeholder-note {
  font-size: .78rem; color: #eae0c8; background: rgba(10,55,48,.45); border: 1px dashed rgba(255,255,255,.35);
  padding: 4px 10px; border-radius: 5px; letter-spacing: .04em; backdrop-filter: blur(2px); display: inline-block;
}
.ph {
  position: relative; border-radius: 6px; overflow: hidden; min-height: 190px;
  background: linear-gradient(160deg, #16685b, #0a3730);
  display: flex; align-items: flex-end; padding: 12px;
}
.ph--gold { background: linear-gradient(160deg, #caa04a, #8a641f); }
.ph--terra { background: linear-gradient(160deg, #c9714a, #8f4022); }

/* 目的地磁贴（图片 + 底部标签） */
.dest-tile { position: relative; border-radius: 6px; overflow: hidden; min-height: 190px; display: block; }
.dest-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.dest-tile:hover img { transform: scale(1.06); }
.dest-tile span { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 26px 14px 12px;
  color: #fff; font-weight: 600; font-size: 1rem; letter-spacing: .06em;
  background: linear-gradient(transparent, rgba(10,55,48,.82)); }
.split__media .dest-photo { width: 100%; height: 100%; min-height: inherit; object-fit: cover; border-radius: 6px; display: block; }

/* ---------- 信任条 / 数据 ---------- */
.trust { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--paper); }
.trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.trust__item { padding: 30px 24px; text-align: center; border-right: 1px solid var(--line-soft); }
.trust__item:last-child { border-right: none; }
.trust__item b { display: block; font-family: var(--font-serif); font-size: 1.85rem; color: var(--jade); }
.trust__item span { font-size: .88rem; color: var(--ink-soft); }

/* ---------- 通用网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 业务 / 特性卡片 ---------- */
.card {
  background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--line); }
.card__body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.card__num { font-family: var(--font-serif); font-size: .95rem; color: var(--gold); letter-spacing: .1em; margin-bottom: 10px; }
.card__body h3 { font-size: 1.35rem; margin-bottom: .4em; }
.card__body p { color: var(--ink-soft); font-size: .98rem; }
.card__link { margin-top: auto; padding-top: 14px; font-weight: 600; color: var(--jade); display: inline-flex; align-items: center; gap: 6px; }
.card__link .arw { transition: transform .25s var(--ease); }
.card:hover .card__link .arw { transform: translateX(4px); }
.card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 14px; }
.chip { font-size: .78rem; color: var(--jade-2); background: var(--jade-tint); padding: 3px 10px; border-radius: 999px; }

.icon-badge {
  width: 48px; height: 48px; border-radius: 12px; background: var(--jade-tint); color: var(--jade);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.icon-badge svg { width: 26px; height: 26px; }

/* ---------- 分栏特性块 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--rev .split__media { order: 2; }
.feature-list { list-style: none; padding: 0; margin: 18px 0 0; }
.feature-list li { position: relative; padding-left: 30px; margin-bottom: 14px; color: var(--ink-soft); }
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 16px; height: 9px;
  border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg);
}
.feature-list li b { color: var(--ink); }

/* ---------- 面包屑 ---------- */
.crumb { font-size: .86rem; color: var(--ink-faint); padding: 18px 0 0; }
.crumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.crumb li::after { content: "/"; margin-left: 8px; color: var(--line); }
.crumb li:last-child::after { content: ""; }
.crumb a { color: var(--ink-soft); }

/* ---------- 页面小标题区 ---------- */
.page-hero { padding: 54px 0 40px; border-bottom: 1px solid var(--line-soft); }
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: .3em; }
.page-hero .lead { font-size: 1.12rem; }

/* ---------- 线路卡片 ---------- */
.tour-card { background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease); display: flex; flex-direction: column; }
.tour-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.tour-card .ph { min-height: 180px; }
.tour-card__photo { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; background: var(--jade-tint); }
.tour-hero-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; border-radius: 8px; box-shadow: var(--shadow-sm); }
.tour-figure { margin: 24px 0; }
.tour-figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 8px; display: block; }
.tour-figure figcaption { font-size: .84rem; color: var(--ink-faint); margin-top: 8px; text-align: center; }
.tour-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.tour-card__region { font-size: .8rem; color: var(--gold); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.tour-card__body h3 { font-size: 1.2rem; margin: 6px 0 8px; }
.tour-card__meta { font-size: .88rem; color: var(--ink-faint); margin-bottom: 14px; }
.tour-card__foot { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--line-soft); }
.price { font-family: var(--font-serif); color: var(--terra); font-size: 1.5rem; font-weight: 700; }
.price small { font-size: .7rem; color: var(--ink-faint); font-weight: 400; margin-left: 3px; }
.price .cny { font-size: .95rem; margin-right: 1px; }

/* ---------- 资讯卡片 ---------- */
.post-card { background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease); display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card__body { padding: 20px 22px 24px; }
.post-card__cat { font-size: .78rem; color: var(--jade-2); background: var(--jade-tint); padding: 3px 10px; border-radius: 999px; }
.post-card__body h3 { font-size: 1.18rem; margin: 12px 0 8px; }
.post-card__date { font-size: .82rem; color: var(--ink-faint); }

/* ---------- 文章正文 ---------- */
.article { max-width: 760px; margin-inline: auto; }
.article h2 { font-size: 1.6rem; margin-top: 1.8em; }
.article h3 { font-size: 1.25rem; margin-top: 1.5em; }
.article p, .article li { color: #2a322d; font-size: 1.06rem; }
.article__meta { color: var(--ink-faint); font-size: .9rem; margin-bottom: 28px; padding-bottom: 22px; border-bottom: 1px solid var(--line-soft); }
.callout { background: var(--jade-tint); border-left: 3px solid var(--jade); padding: 18px 22px; border-radius: 0 6px 6px 0; margin: 24px 0; }
.callout p:last-child { margin-bottom: 0; }

/* ---------- FAQ 手风琴（details/summary，无需 JS，内容直出 HTML） ---------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq details { background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; margin-bottom: 14px; overflow: hidden; transition: border-color .2s var(--ease); }
.faq details[open] { border-color: var(--jade); box-shadow: var(--shadow-sm); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 24px; position: relative;
  font-family: var(--font-serif); font-weight: 700; font-size: 1.08rem; color: var(--jade-deep); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-sans); font-size: 1.5rem; color: var(--gold); transition: transform .25s var(--ease); }
.faq details[open] summary::after { content: "\2013"; }
.faq__a { padding: 0 24px 22px; color: var(--ink-soft); }
.faq__a p:last-child { margin-bottom: 0; }

/* ---------- 流程步骤 ---------- */
.steps { counter-reset: step; display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
.step { position: relative; padding: 26px 22px; background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-serif); font-size: 1.7rem; color: var(--gold); display: block; margin-bottom: 8px; }
.step h4 { font-size: 1.1rem; margin-bottom: .3em; }
.step p { font-size: .92rem; color: var(--ink-soft); margin: 0; }

/* ---------- CTA 带 ---------- */
.cta {
  background: linear-gradient(140deg, var(--jade), var(--jade-deep));
  color: #eaf2ee; border-radius: 14px; padding: 54px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta::before { content: ""; position: absolute; inset: 0; opacity: .5;
  background: radial-gradient(600px 300px at 100% 0%, rgba(217,183,104,.25), transparent 60%); }
.cta h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.4rem); position: relative; }
.cta p { color: #cfe0d9; position: relative; max-width: 60ch; margin-inline: auto; }
.cta .btn-row { justify-content: center; position: relative; }

/* ---------- 联系信息 ---------- */
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.info-card { background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; padding: 24px; display: flex; gap: 16px; }
.info-card .icon-badge { flex: none; margin: 0; }
.info-card h4 { margin: 0 0 4px; font-size: 1.02rem; }
.info-card p { margin: 0; color: var(--ink-soft); font-size: .96rem; }
.info-card a { font-weight: 600; }
.map-frame { aspect-ratio: 16/8; border-radius: 8px; background: linear-gradient(160deg,#d9d3c4,#c3bdae); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; color: var(--ink-faint); }

/* ---------- 数据表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 10px; background: var(--paper); }
.data-table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 640px; }
.data-table th, .data-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.data-table thead th { border-bottom: 2px solid var(--line); color: var(--jade-deep); font-family: var(--font-serif); font-weight: 700; white-space: nowrap; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--jade-tint); }
.data-table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.data-table b { color: var(--terra); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--jade-deep); color: #bcd0c8; padding: 66px 0 26px; margin-top: 0; }
.site-footer a { color: #d7e5df; }
.site-footer a:hover { color: var(--gold-soft); }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer__brand .brand__cn { color: #fff; }
.footer__brand p { color: #9fb8af; font-size: .92rem; margin-top: 14px; max-width: 34ch; }
.footer h5 { font-family: var(--font-sans); color: #fff; font-size: .82rem; letter-spacing: .18em; text-transform: uppercase; margin: 0 0 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; font-size: .94rem; }
.footer__contact li { display: flex; gap: 10px; color: #cfe0d9; margin-bottom: 12px; font-size: .94rem; }
.footer__contact b { color: #fff; font-weight: 600; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 22px; font-size: .84rem; color: #90a89f; flex-wrap: wrap; }
.footer__bottom a { color: #90a89f; }
.footer__bottom a:hover { color: var(--gold-soft); }

/* ---------- 回到顶部 ---------- */
.to-top { position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--jade); color: #fff; border: none; cursor: pointer; display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .3s var(--ease); z-index: 60; box-shadow: var(--shadow-md); }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--gold); color: #241a05; }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; padding: 60px 0; }
  .hero__visual { max-width: 440px; }
  .split, .split--rev .split__media { grid-template-columns: 1fr; order: 0; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .trust__item:nth-child(2) { border-right: none; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 720px) {
  .nav__links {
    position: fixed; top: 0; right: 0; left: auto; width: min(78vw, 320px);
    height: 100vh; height: 100dvh; z-index: 55; overflow-y: auto;
    background: var(--paper); flex-direction: column; align-items: stretch; gap: 2px; padding: 90px 20px 30px;
    box-shadow: -12px 0 40px rgba(10,55,48,.2); transform: translateX(100%); transition: transform .3s var(--ease);
  }
  .nav.open .nav__links { transform: translateX(0); }
  /* 菜单打开时的半透明遮罩，避免与页面内容混看 */
  .nav::before {
    content: ""; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; height: 100dvh;
    background: rgba(10,55,48,.42); opacity: 0; visibility: hidden; transition: opacity .3s var(--ease); z-index: 54;
  }
  .nav.open::before { opacity: 1; visibility: visible; }
  .nav__links a { padding: 12px 14px; border-radius: 8px; }
  .nav__cta { margin: 12px 0 0; }
  .nav__caret { display: none; }
  .nav__sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: transparent; border: 0; box-shadow: none; padding: 0 0 0 14px; min-width: 0;
  }
  .nav__sub a { font-size: .92rem; color: var(--ink-soft); }
  .nav__toggle { display: inline-flex; z-index: 60; }
  .topbar__contact { gap: 14px; }
  .topbar__note { display: none; }
  .info-grid, .grid--2 { grid-template-columns: 1fr; }
  .section { padding: 62px 0; }
  .cta { padding: 40px 24px; }
}
@media (max-width: 480px) {
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .hero__meta { gap: 22px; }
  body { font-size: 16px; }
}