/* ============================================================
   蒙特利尔秋季出行参考 · 样式表
   浅色主题 · 秋日暖色调
   ============================================================ */

:root {
  --bg:        #fbf8f3;
  --bg-soft:   #f5efe4;
  --card:      #ffffff;
  --ink:       #241f1a;
  --ink-2:     #5c5348;
  --ink-3:     #8d8272;
  --line:      #e7ded0;
  --accent:    #c0562a;   /* 枫叶橙红 */
  --accent-2:  #e08a3c;   /* 暖橙 */
  --accent-3:  #7a8b4f;   /* 苔绿 */
  --accent-bg: #fdf1e6;
  --free:      #4f7d4a;   /* 免费绿 */
  --free-bg:   #eef5ea;
  --shadow-sm: 0 1px 3px rgba(60,40,20,.06), 0 4px 14px rgba(60,40,20,.05);
  --shadow-md: 0 2px 8px rgba(60,40,20,.07), 0 14px 34px rgba(60,40,20,.09);
  --shadow-lg: 0 6px 18px rgba(60,40,20,.09), 0 26px 60px rgba(60,40,20,.13);
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --serif:"Songti SC", "STSong", "SimSun", Georgia, serif;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,248,243,.88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  max-width: var(--max); margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; gap: 28px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 16px; letter-spacing: .2px;
  white-space: nowrap;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(140deg, var(--accent-2), var(--accent));
  display: grid; place-items: center;
  color: #fff; font-size: 15px;
  box-shadow: 0 3px 10px rgba(192,86,42,.32);
}
.nav-links { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav-links a {
  padding: 7px 14px; border-radius: 999px;
  font-size: 14px; color: var(--ink-2); font-weight: 500;
  transition: .18s;
}
.nav-links a:hover { background: var(--accent-bg); color: var(--accent); }
.nav-links a.on { background: var(--accent); color: #fff; }

/* ---------------- 首页 Hero ---------------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 460px; display: flex; align-items: flex-end;
  background: #2b2118;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('assets/autumn.jpg');
  background-size: cover; background-position: center 40%;
  transform: scale(1.04);
  opacity: .62;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 12% 100%, rgba(43,33,24,.92) 0%, rgba(43,33,24,.35) 55%, transparent 100%),
    linear-gradient(to top, rgba(43,33,24,.88) 0%, rgba(43,33,24,.15) 60%, rgba(43,33,24,.35) 100%);
}
.hero-in {
  position: relative; z-index: 2;
  max-width: var(--max); margin: 0 auto; width: 100%;
  padding: 68px 24px 54px; color: #fff;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: 2.2px; text-transform: uppercase;
  color: #f6d9b0; font-weight: 600; margin-bottom: 18px;
}
.hero-kicker::before {
  content: ''; width: 30px; height: 1px; background: #f6d9b0; opacity: .7;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.1; letter-spacing: -.5px;
  font-family: var(--serif); font-weight: 700;
  text-shadow: 0 2px 24px rgba(0,0,0,.3);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #ffcf8f, #e08a3c);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p {
  margin: 0; max-width: 620px;
  font-size: 16px; color: rgba(255,255,255,.86);
}
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px;
}
.stat {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(10px);
  border-radius: 14px; padding: 12px 20px;
  min-width: 116px;
}
.stat b { display: block; font-size: 25px; line-height: 1.2; font-family: var(--serif); }
.stat span { font-size: 12.5px; color: rgba(255,255,255,.72); letter-spacing: .3px; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 62px 0; }
.section.tight { padding: 42px 0; }
.sec-head { margin-bottom: 30px; }
.sec-head .eyebrow {
  font-size: 12.5px; letter-spacing: 2.4px; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 10px;
}
.sec-head h2 {
  margin: 0 0 10px; font-size: clamp(24px, 3vw, 33px);
  font-family: var(--serif); font-weight: 700; letter-spacing: -.3px;
}
.sec-head p { margin: 0; color: var(--ink-2); max-width: 660px; }
.sec-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* ---------------- 筛选栏 ---------------- */
.filters {
  position: sticky; top: 61px; z-index: 40;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.filter-in { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  padding: 8px 15px; border-radius: 999px; font-size: 13.5px; font-weight: 500;
  cursor: pointer; transition: .18s; font-family: inherit;
  display: inline-flex; align-items: center; gap: 6px;
}
.chip:hover { border-color: var(--accent-2); color: var(--accent); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 3px 12px rgba(192,86,42,.28); }
.chip .ic { font-size: 12px; opacity: .85; }

.search {
  margin-left: auto; position: relative; min-width: 210px;
}
.search input {
  width: 100%; font-family: inherit; font-size: 14px;
  padding: 9px 14px 9px 36px;
  border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--ink); outline: none; transition: .18s;
}
.search input:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(224,138,60,.14); }
.search::before {
  content: '⌕'; position: absolute; left: 13px; top: 50%;
  transform: translateY(-52%); color: var(--ink-3); font-size: 16px;
}

/* ---------------- 活动卡片 ---------------- */
.grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fill, minmax(292px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .22s, box-shadow .22s;
  display: flex; flex-direction: column; cursor: pointer;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-soft); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-img img { transform: scale(1.06); }
.badge-date {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,.94); backdrop-filter: blur(6px);
  border-radius: 10px; padding: 6px 11px; text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.14);
}
.badge-date b { display: block; font-size: 15px; line-height: 1.1; color: var(--accent); font-family: var(--serif); }
.badge-date span { font-size: 10.5px; color: var(--ink-3); letter-spacing: .6px; }
.badge-price {
  position: absolute; top: 12px; right: 12px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .4px;
  padding: 5px 10px; border-radius: 999px;
  background: rgba(255,255,255,.94); color: var(--ink-2);
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.badge-price.free { background: var(--free); color: #fff; }
.card-body { padding: 16px 17px 18px; flex: 1; display: flex; flex-direction: column; }
.card-cat {
  font-size: 11.5px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  color: var(--accent-3); margin-bottom: 7px;
}
.card h3 { margin: 0 0 6px; font-size: 17.5px; line-height: 1.35; font-weight: 700; letter-spacing: -.2px; }
.card .en { font-size: 12.5px; color: var(--ink-3); margin-bottom: 11px; font-style: italic; }
.card .meta {
  display: flex; flex-direction: column; gap: 5px;
  font-size: 13px; color: var(--ink-2); margin-bottom: 12px;
}
.card .meta i { color: var(--ink-3); font-style: normal; margin-right: 6px; }
.card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tag {
  font-size: 11.5px; padding: 3px 9px; border-radius: 999px;
  background: var(--accent-bg); color: var(--accent); font-weight: 500;
}

/* ---------------- 时间轴 ---------------- */
.month-block { margin-bottom: 46px; }
.month-title {
  display: flex; align-items: center; gap: 14px; margin-bottom: 22px;
}
.month-title h3 {
  margin: 0; font-size: 22px; font-family: var(--serif);
  letter-spacing: -.2px; white-space: nowrap;
}
.month-title .count {
  font-size: 12px; background: var(--accent-bg); color: var(--accent);
  padding: 3px 11px; border-radius: 999px; font-weight: 600;
}
.month-title .rule { flex: 1; height: 1px; background: var(--line); }

.tl { position: relative; padding-left: 26px; }
.tl::before {
  content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--accent-2), var(--line));
  border-radius: 2px;
}
.tl-item {
  position: relative; margin-bottom: 12px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 14px 18px; display: flex; gap: 20px; align-items: center;
  transition: .18s; cursor: pointer; box-shadow: var(--shadow-sm);
}
.tl-item:hover { border-color: var(--accent-2); transform: translateX(3px); }
.tl-item::before {
  content: ''; position: absolute; left: -26px; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent-2);
}
.tl-date {
  flex: 0 0 118px; font-size: 13px; color: var(--accent);
  font-weight: 700; font-family: var(--serif); letter-spacing: .2px;
}
.tl-main { flex: 1; min-width: 0; }
.tl-main b { display: block; font-size: 15.5px; margin-bottom: 2px; }
.tl-main span { font-size: 13px; color: var(--ink-3); }
.tl-price { flex: 0 0 auto; font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: 999px; background: var(--bg-soft); color: var(--ink-2); }
.tl-price.free { background: var(--free-bg); color: var(--free); }

/* ---------------- 详情弹窗 ---------------- */
.modal-bg {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(36,31,26,.55); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-bg.open { display: flex; animation: fade .22s ease; }
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }
.modal {
  background: var(--card); border-radius: var(--r-lg); overflow: hidden;
  max-width: 780px; width: 100%; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg); animation: pop .26s cubic-bezier(.2,.9,.3,1);
}
@keyframes pop { from { transform: translateY(16px) scale(.98); opacity: 0 } }
.modal-img { aspect-ratio: 16/8; overflow: hidden; position: relative; }
.modal-img img { width: 100%; height: 100%; object-fit: cover; }
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px; border-radius: 50%; border: none;
  background: rgba(255,255,255,.94); color: var(--ink); font-size: 19px;
  cursor: pointer; display: grid; place-items: center; line-height: 1;
  box-shadow: var(--shadow-sm); transition: .18s;
}
.modal-close:hover { background: #fff; transform: rotate(90deg); }
.modal-body { padding: 26px 30px 32px; }
.modal-body h2 { margin: 0 0 4px; font-size: 26px; font-family: var(--serif); letter-spacing: -.3px; }
.modal-body .en { font-size: 13.5px; color: var(--ink-3); font-style: italic; margin-bottom: 18px; }
.info-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
  gap: 12px; margin-bottom: 22px;
}
.info-cell {
  background: var(--bg-soft); border-radius: var(--r-sm); padding: 12px 15px;
}
.info-cell .k { font-size: 11.5px; letter-spacing: .8px; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin-bottom: 3px; }
.info-cell .v { font-size: 14px; font-weight: 600; }
.modal-body h4 { margin: 22px 0 8px; font-size: 14px; letter-spacing: .6px; text-transform: uppercase; color: var(--accent); }
.modal-body p { margin: 0 0 12px; color: var(--ink-2); }
.tip-box {
  background: var(--accent-bg); border-left: 3px solid var(--accent-2);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 13px 17px; font-size: 14px; color: #7a4a20; margin-top: 6px;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 4px; }

/* ---------------- 图片墙 ---------------- */
.masonry { columns: 3 260px; column-gap: 18px; }
.masonry figure {
  margin: 0 0 18px; break-inside: avoid; position: relative;
  border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-sm);
  background: var(--bg-soft); transition: .25s;
}
.masonry figure:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.masonry img { width: 100%; transition: transform .5s; }
.masonry figure:hover img { transform: scale(1.05); }
.masonry figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 14px 12px; color: #fff; font-size: 13px; font-weight: 500;
  background: linear-gradient(to top, rgba(30,22,15,.86), transparent);
}

/* ---------------- 行程方案 ---------------- */
.plans { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); }
.plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px; box-shadow: var(--shadow-sm);
}
.plan h3 { margin: 0 0 4px; font-size: 19px; font-family: var(--serif); }
.plan .sub { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 18px; }
.plan ol { margin: 0; padding: 0; list-style: none; counter-reset: p; }
.plan li {
  position: relative; padding: 11px 0 11px 34px; border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.plan li:last-child { border-bottom: none; }
.plan li::before {
  counter-increment: p; content: counter(p);
  position: absolute; left: 0; top: 12px;
  width: 21px; height: 21px; border-radius: 50%;
  background: var(--accent-bg); color: var(--accent);
  font-size: 11.5px; font-weight: 700; display: grid; place-items: center;
}
.plan li b { display: block; font-size: 14.5px; }
.plan li .pl { font-size: 12.5px; color: var(--ink-3); }
.plan li .pn { font-size: 12.5px; color: var(--ink-2); }

/* ---------------- 实用信息 ---------------- */
.info-cols { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(268px,1fr)); }
.info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 22px; box-shadow: var(--shadow-sm);
}
.info-card .ico {
  width: 40px; height: 40px; border-radius: 12px; margin-bottom: 14px;
  background: var(--accent-bg); color: var(--accent);
  display: grid; place-items: center; font-size: 19px;
}
.info-card h3 { margin: 0 0 10px; font-size: 16.5px; }
.info-card ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 14px; }
.info-card li { margin-bottom: 7px; }
.info-card p { margin: 0 0 8px; color: var(--ink-2); font-size: 14px; }

/* ---------------- 页脚 ---------------- */
.foot {
  background: #2b2118; color: rgba(255,255,255,.72);
  padding: 42px 0 34px; margin-top: 40px; font-size: 13.5px;
}
.foot-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.foot b { color: #fff; display: block; margin-bottom: 8px; font-size: 15px; }
.foot a { color: #f6d9b0; border-bottom: 1px solid rgba(246,217,176,.3); }
.foot a:hover { border-color: #f6d9b0; }
.foot .src { font-size: 12.5px; line-height: 1.9; }

/* 出品署名 */
.brandline {
  order: 99; flex: 0 0 auto; text-align: right;
  padding-left: 26px; border-left: 1px solid rgba(255,255,255,.14);
  align-self: stretch; display: flex; flex-direction: column; justify-content: center;
}
.brandline .bl-label {
  font-size: 10.5px; letter-spacing: 5px; color: rgba(255,255,255,.4);
  margin-bottom: 6px; text-indent: 5px;
}
.brandline .bl-name {
  font-size: 19px; font-weight: 700; color: #f6d9b0; letter-spacing: 1.5px;
  font-family: var(--serif);
}

/* ---------------- 分享区块（首页） ---------------- */
.share {
  display: grid; grid-template-columns: 1fr auto; gap: 40px;
  align-items: center;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 40px 46px;
  box-shadow: var(--shadow-sm);
}
.share h3 { margin: 0 0 10px; font-size: 24px; font-family: var(--serif); letter-spacing: -.2px; }
.share p { margin: 0 0 18px; color: var(--ink-2); max-width: 460px; }
.share-link {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--bg-soft); border: 1px dashed var(--line);
  border-radius: 10px; padding: 10px 15px; margin-bottom: 16px;
  font-family: Consolas, Menlo, monospace; font-size: 12.5px; color: var(--ink-2);
  max-width: 100%; overflow: hidden;
}
.share-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 600;
  padding: 11px 22px; border-radius: 999px; transition: .18s;
  box-shadow: 0 4px 14px rgba(192,86,42,.3);
}
.share-btn:hover { background: #a8461f; transform: translateY(-2px); }
.share-qr {
  width: 190px; padding: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow-sm);
}
.share-qr img { width: 100%; border-radius: 6px; }
.share-qr .cap {
  text-align: center; font-size: 12px; color: var(--ink-3);
  margin-top: 10px; letter-spacing: .3px;
}

@media (max-width: 820px) {
  .share { grid-template-columns: 1fr; gap: 28px; padding: 30px 26px; text-align: center; }
  .share p { margin-left: auto; margin-right: auto; }
  .share-qr { width: 200px; margin: 0 auto; }
  .brandline { border-left: none; border-top: 1px solid rgba(255,255,255,.14);
               padding-left: 0; padding-top: 18px; text-align: left; width: 100%; }
}

/* ---------------- 空状态 ---------------- */
.empty {
  text-align: center; padding: 70px 20px; color: var(--ink-3);
}
.empty .big { font-size: 40px; margin-bottom: 12px; opacity: .5; }

/* ---------------- 回到顶部 ---------------- */
.totop {
  position: fixed; right: 26px; bottom: 26px; z-index: 60;
  width: 44px; height: 44px; border-radius: 50%; border: none;
  background: var(--accent); color: #fff; font-size: 19px; cursor: pointer;
  box-shadow: 0 6px 20px rgba(192,86,42,.4);
  opacity: 0; pointer-events: none; transition: .25s;
}
.totop.show { opacity: 1; pointer-events: auto; }
.totop:hover { background: #a8461f; transform: translateY(-3px); }

/* ---------------- 移动端底部导航 ---------------- */
.tabbar {
  display: none;                     /* 桌面隐藏，仅在窄屏显示 */
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(16px);
  border-top: 1px solid var(--line);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -2px 16px rgba(60,40,20,.07);
}
.tabbar-in {
  display: flex; align-items: stretch; justify-content: space-around;
  max-width: 640px; margin: 0 auto;
}
.tabbar a {
  flex: 1 1 0; min-width: 0;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 7px 2px 5px; border-radius: 12px;
  color: var(--ink-3); font-size: 10.5px; font-weight: 500;
  letter-spacing: .2px; transition: .18s;
  -webkit-tap-highlight-color: transparent;
}
.tabbar .ti {
  font-size: 18px; line-height: 1;
  display: grid; place-items: center; width: 26px; height: 22px;
  transition: .18s;
}
.tabbar .tl { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.tabbar a.on { color: var(--accent); }
.tabbar a.on .ti { transform: translateY(-1px) scale(1.08); }
.tabbar a.on::after {
  content: ''; position: absolute; top: 0;
  width: 22px; height: 3px; border-radius: 0 0 3px 3px;
  background: var(--accent);
}
.tabbar a { position: relative; }
.tabbar a:active { background: var(--accent-bg); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 820px) {
  .masonry { columns: 2 160px; }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 6px 10px; font-size: 13px; }
  .filters { top: 57px; }
  .search { margin-left: 0; width: 100%; }
  .hero { min-height: 400px; }

  /* 窄屏启用底部导航，并给正文留出空间 */
  .tabbar { display: block; }
  body { padding-bottom: 68px; }
  .totop { bottom: 82px; right: 18px; }   /* 上移，避开底部导航 */
  .foot { padding-bottom: 30px; }
}
@media (max-width: 560px) {
  .wrap, .nav-in, .hero-in { padding-left: 18px; padding-right: 18px; }
  .masonry { columns: 1; }
  .nav-in { gap: 12px; }
  .brand span.full { display: none; }
  .tl-item { flex-wrap: wrap; gap: 6px 14px; }
  .tl-date { flex: 0 0 auto; }
  .section { padding: 44px 0; }
  /* 手机上隐藏顶部导航链接（改用底部 tabbar） */
  .nav-links { display: none; }
  .nav { padding-right: 8px; }
  .hero h1 { font-size: clamp(30px, 8.4vw, 40px); }
  .hero-stats .stat { min-width: 100px; padding: 10px 15px; }
  .stat b { font-size: 22px; }
  .grid { grid-template-columns: 1fr; gap: 18px; }
  .modal-body { padding: 20px 20px 26px; }
  .modal-body h2 { font-size: 22px; }
  .plans { grid-template-columns: 1fr; }
  .info-cols { grid-template-columns: 1fr; }
  .filter-in { gap: 8px; }
  .chip { padding: 7px 13px; font-size: 13px; }
}