/* ==========================================================================
   漫蛙3 专题站群 - 共用样式表
   风格：清新活泼的漫画阅读调性 / 薄荷青绿 + 珊瑚橙 / 漫画分格卡片
   ========================================================================== */

/* 自托管字体（本地文件，无外部引用） */
@font-face {
  font-family: "Baloo 2 Local";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(../fonts/baloo2-latin.woff2) format("woff2");
}

:root {
  --brand: #17be9b;
  --brand-dark: #0e9d86;
  --brand-deep: #0b5563;
  --brand-soft: #e6faf5;
  --brand-softer: #f2fdfa;
  --accent: #ff7a59;
  --accent-dark: #ef5c39;
  --accent-soft: #fff1ec;
  --sun: #ffc93c;
  --ink: #14313d;
  --ink-2: #35525f;
  --muted: #6b8492;
  --line: #dcefEA;
  --line-2: #cfe8e1;
  --bg: #f4fdfb;
  --card: #ffffff;
  --radius-s: 10px;
  --radius: 16px;
  --radius-l: 24px;
  --shadow-s: 0 2px 8px rgba(11, 85, 99, .06);
  --shadow: 0 10px 30px rgba(11, 85, 99, .09);
  --shadow-l: 0 18px 46px rgba(11, 85, 99, .13);
  --pop: 5px 5px 0 var(--brand-deep);
  --pop-accent: 5px 5px 0 var(--accent-dark);
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "微软雅黑", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1160px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(23, 190, 155, .10), transparent 42%),
    radial-gradient(circle at 88% 2%, rgba(255, 122, 89, .09), transparent 38%);
  background-attachment: fixed;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--brand-dark); text-decoration: none; }
a:hover { color: var(--accent-dark); }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin: .35em 0; }

h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.35;
  margin: 0 0 .6em;
  font-weight: 800;
  letter-spacing: .2px;
}
h1 { font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.5rem); }
h2 { font-size: clamp(1.3rem, 1.05rem + 1.1vw, 1.85rem); }
h3 { font-size: clamp(1.08rem, .98rem + .5vw, 1.28rem); }
p { margin: 0 0 1.05em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.site-header.is-stuck { box-shadow: 0 6px 22px rgba(11, 85, 99, .10); }
.nav {
  display: flex; align-items: center; gap: 16px;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand img { width: 40px; height: 40px; border-radius: 11px; box-shadow: var(--shadow-s); }
.brand-name {
  font-size: 1.3rem; font-weight: 900; color: var(--ink);
  letter-spacing: .5px; line-height: 1;
}
.brand-name em { font-style: normal; color: var(--brand-dark); }
.brand-sub { display: block; font-size: .68rem; font-weight: 700; color: var(--muted); letter-spacing: 2px; font-family: "Baloo 2 Local", var(--font); }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav-links a {
  display: block; padding: 8px 13px; border-radius: 999px;
  font-size: .95rem; font-weight: 600; color: var(--ink-2);
  transition: background .2s, color .2s;
}
.nav-links a:hover { background: var(--brand-soft); color: var(--brand-deep); }
.nav-links a.active { background: var(--brand); color: #fff; }

.nav-cta {
  margin-left: 6px; padding: 9px 18px !important; border-radius: 999px;
  background: var(--accent) !important; color: #fff !important;
  font-weight: 700 !important; box-shadow: 0 6px 16px rgba(255, 122, 89, .32);
}
.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px;
  border: 2px solid var(--line-2); background: #fff; border-radius: 12px;
  cursor: pointer; padding: 0; align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 30px; border-radius: 999px;
  font-size: 1.02rem; font-weight: 800; cursor: pointer;
  border: 2px solid transparent; transition: transform .16s ease, box-shadow .2s ease, background .2s;
  text-align: center; justify-content: center;
}
.btn svg { width: 19px; height: 19px; flex: 0 0 auto; }
.btn-primary {
  background: linear-gradient(135deg, #ff9166, var(--accent) 55%, var(--accent-dark));
  color: #fff; box-shadow: 0 10px 24px rgba(255, 122, 89, .38);
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 122, 89, .45); }
.btn-ghost { background: #fff; color: var(--brand-deep); border-color: var(--line-2); }
.btn-ghost:hover { color: var(--brand-deep); border-color: var(--brand); background: var(--brand-soft); }
.btn-lg { padding: 16px 40px; font-size: 1.12rem; }
.btn-block { width: 100%; }

/* ---------------- 区块骨架 ---------------- */
.section { padding: 68px 0; }
.section.tight { padding: 46px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 780px; margin: 0 auto 40px; text-align: center; }
.section-head p { color: var(--muted); margin: 0; }
.eyebrow {
  display: inline-block; margin-bottom: 12px; padding: 5px 14px;
  border-radius: 999px; background: var(--brand-soft); color: var(--brand-deep);
  font-size: .78rem; font-weight: 800; letter-spacing: 1.5px;
  font-family: "Baloo 2 Local", var(--font);
}

/* ---------------- Hero ---------------- */
.hero { position: relative; padding: 58px 0 66px; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.08fr .92fr;
  gap: 46px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 15px; border-radius: 999px; margin-bottom: 18px;
  background: #fff; border: 2px solid var(--brand); color: var(--brand-deep);
  font-size: .82rem; font-weight: 800;
}
.hero-badge i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 0 4px rgba(23, 190, 155, .18);
}
.hero h1 { margin-bottom: .35em; }
.hero h1 .hl {
  background: linear-gradient(180deg, transparent 58%, rgba(255, 201, 60, .55) 58%);
  padding: 0 2px;
}
.hero-lead { font-size: 1.06rem; color: var(--ink-2); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin: 26px 0 20px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 22px; font-size: .88rem; color: var(--muted); }
.hero-meta b { display: block; font-size: 1.28rem; color: var(--brand-deep); line-height: 1.2; }
.hero-note { font-size: .86rem; color: var(--muted); }
.hero-note strong { color: var(--accent-dark); }

/* 手机预览 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.phone {
  position: relative; z-index: 2; width: 260px;
  background: #fff; border: 3px solid var(--brand-deep); border-radius: 30px;
  padding: 10px; box-shadow: var(--pop-accent), var(--shadow-l);
}
.phone img { border-radius: 20px; }
.phone::after {
  content: ""; position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 62px; height: 6px; border-radius: 999px; background: var(--brand-deep); opacity: .3;
}
.float-chip {
  position: absolute; z-index: 3; background: #fff; border: 2px solid var(--brand-deep);
  border-radius: 14px; padding: 8px 13px; font-size: .8rem; font-weight: 800;
  color: var(--brand-deep); box-shadow: var(--pop); white-space: nowrap;
}
.float-chip.c1 { top: 14%; left: -6%; }
.float-chip.c2 { bottom: 16%; right: -6%; box-shadow: var(--pop-accent); color: var(--accent-dark); }
.float-chip.c3 { bottom: 4%; left: 2%; background: var(--sun); }

/* ---------------- 卖点卡片 ---------------- */
.grid { display: grid; gap: 22px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card); border: 2px solid var(--line-2);
  border-radius: var(--radius); padding: 26px 24px;
  box-shadow: var(--shadow-s); transition: transform .18s ease, box-shadow .22s ease, border-color .2s;
  position: relative; height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand); }
.card h3 { margin-bottom: .45em; }
.card p { margin: 0; color: var(--ink-2); font-size: .96rem; }
.card .ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; border-radius: 14px; margin-bottom: 15px;
  background: var(--brand-soft); color: var(--brand-dark);
}
.card .ico svg { width: 26px; height: 26px; }
.card.acc .ico { background: var(--accent-soft); color: var(--accent-dark); }

/* 内容模块入口大卡 */
.entry-card {
  display: block; background: #fff; border: 2px solid var(--brand-deep);
  border-radius: var(--radius-l); padding: 30px 28px;
  box-shadow: var(--pop); transition: transform .18s, box-shadow .18s;
  height: 100%; color: var(--ink-2);
}
.entry-card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--brand-deep); color: var(--ink-2); }
.entry-card .tag {
  display: inline-block; font-size: .74rem; font-weight: 800; letter-spacing: 1.2px;
  color: var(--accent-dark); background: var(--accent-soft); padding: 4px 11px; border-radius: 999px;
  margin-bottom: 12px;
}
.entry-card h3 { font-size: 1.2rem; }
.entry-card p { font-size: .94rem; margin-bottom: 14px; }
.entry-card .more { font-weight: 800; color: var(--brand-dark); font-size: .92rem; }
.entry-card .more::after { content: " →"; }

/* ---------------- 截图 ---------------- */
.shots {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
}
.shot {
  background: #fff; border: 2px solid var(--line-2); border-radius: 18px;
  padding: 9px; box-shadow: var(--shadow-s); transition: transform .2s, box-shadow .2s, border-color .2s;
  cursor: zoom-in;
}
.shot:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--brand); }
.shot img { border-radius: 11px; width: 100%; }
.shot figcaption {
  text-align: center; font-size: .82rem; font-weight: 700;
  color: var(--brand-deep); padding: 9px 2px 3px;
}
figure { margin: 0; }

/* ---------------- 数据/信任 ---------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  background: #fff; border: 2px solid var(--line-2); border-radius: var(--radius);
  padding: 24px 18px; text-align: center; box-shadow: var(--shadow-s);
}
.stat b { display: block; font-size: 2rem; font-weight: 900; color: var(--brand-dark); line-height: 1.15; }
.stat span { font-size: .88rem; color: var(--muted); font-weight: 600; }

.trust-bar {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 26px;
  padding: 16px 20px; background: #fff; border: 2px dashed var(--line-2);
  border-radius: var(--radius); font-size: .88rem; font-weight: 700; color: var(--brand-deep);
}
.trust-bar span { display: inline-flex; align-items: center; gap: 7px; }
.trust-bar svg { width: 17px; height: 17px; color: var(--brand); }

/* ---------------- 评价 ---------------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review {
  background: #fff; border: 2px solid var(--line-2); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-s); position: relative;
}
.review::before {
  content: "\201C"; position: absolute; top: 4px; right: 20px;
  font-size: 3.6rem; line-height: 1; color: var(--brand-soft); font-weight: 900;
}
.review .stars { color: var(--sun); font-size: .95rem; letter-spacing: 2px; margin-bottom: 10px; }
.review p { font-size: .95rem; margin-bottom: 16px; }
.review .who { display: flex; align-items: center; gap: 11px; }
.review .av {
  width: 40px; height: 40px; border-radius: 50%; flex: 0 0 auto;
  display: grid; place-items: center; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark)); font-size: .95rem;
}
.review .av.o { background: linear-gradient(135deg, #ffb37a, var(--accent-dark)); }
.review .who b { display: block; font-size: .92rem; color: var(--ink); }
.review .who small { color: var(--muted); font-size: .78rem; }

/* ---------------- FAQ ---------------- */
.faq-list { display: grid; gap: 12px; max-width: 900px; margin: 0 auto; }
.faq-group {
  max-width: 900px; margin: 34px auto 4px; width: 100%;
  font-size: 1.2rem; text-align: left;
  display: flex; align-items: center; gap: 11px;
}
.faq-group:first-child { margin-top: 0; }
.faq-group::before {
  content: ""; width: 5px; height: 21px; border-radius: 3px; flex: 0 0 auto;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
}
.faq-item {
  background: #fff; border: 2px solid var(--line-2); border-radius: var(--radius);
  overflow: hidden; transition: border-color .2s, box-shadow .2s;
}
.faq-item.open { border-color: var(--brand); box-shadow: var(--shadow-s); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 18px 54px 18px 22px; font-size: 1rem; font-weight: 800; color: var(--ink);
  font-family: var(--font); position: relative; line-height: 1.55;
}
.faq-q::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 700; color: var(--brand-dark); transition: transform .25s;
}
.faq-item.open .faq-q::after { content: "\2212"; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-in { padding: 0 22px 20px; color: var(--ink-2); font-size: .96rem; }
.faq-a-in p:last-child { margin-bottom: 0; }

/* ---------------- 步骤 ---------------- */
.steps { display: grid; gap: 18px; counter-reset: st; }
.step {
  display: grid; grid-template-columns: 56px 1fr; gap: 18px; align-items: start;
  background: #fff; border: 2px solid var(--line-2); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow-s);
}
.step .num {
  counter-increment: st; width: 52px; height: 52px; border-radius: 15px;
  display: grid; place-items: center; font-size: 1.3rem; font-weight: 900; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 6px 14px rgba(23, 190, 155, .3);
}
.step .num::before { content: counter(st); }
.step h3 { margin-bottom: .3em; }
.step p { margin: 0; font-size: .96rem; }

/* ---------------- 文章排版（内页） ---------------- */
.page-hero {
  padding: 46px 0 40px;
  background: linear-gradient(160deg, #eafaf6 0%, #f6fffd 60%, #fff 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { margin-bottom: .35em; }
.page-hero .sub { color: var(--ink-2); max-width: 760px; margin: 0; font-size: 1.03rem; }
.crumb { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }
.crumb a { color: var(--brand-dark); font-weight: 600; }

.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.article {
  background: #fff; border: 2px solid var(--line); border-radius: var(--radius-l);
  padding: 38px 40px; box-shadow: var(--shadow-s);
}
.article h2 {
  margin-top: 1.7em; padding-bottom: .35em; border-bottom: 2px dashed var(--line-2);
}
.article h2:first-child { margin-top: 0; }
.article h3 { margin-top: 1.5em; color: var(--brand-deep); }
.article p, .article li { font-size: 1rem; }
.article ul, .article ol { padding-left: 1.3em; }
.article li::marker { color: var(--brand); font-weight: 800; }
.article strong { color: var(--ink); }
.callout {
  margin: 22px 0; padding: 18px 22px; border-radius: var(--radius);
  background: var(--brand-softer); border-left: 5px solid var(--brand);
  font-size: .96rem;
}
.callout.warn { background: var(--accent-soft); border-left-color: var(--accent); }
.callout p:last-child { margin-bottom: 0; }
.callout b { color: var(--ink); }
.article table {
  width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .93rem;
  border: 2px solid var(--line-2); border-radius: var(--radius); overflow: hidden;
}
.article th, .article td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.article th { background: var(--brand-soft); color: var(--brand-deep); font-weight: 800; }
.article tr:last-child td { border-bottom: 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 6px; }
.tag-row a {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: .85rem;
  font-weight: 700; background: var(--brand-soft); color: var(--brand-deep); border: 1px solid var(--line-2);
}
.tag-row a:hover { background: var(--brand); color: #fff; }

/* 侧栏 */
.side { display: grid; gap: 20px; position: sticky; top: 88px; }
.side-box {
  background: #fff; border: 2px solid var(--line-2); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-s);
}
.side-box h3 { font-size: 1.02rem; margin-bottom: .7em; padding-bottom: .5em; border-bottom: 2px dashed var(--line-2); }
.side-box ul { list-style: none; padding: 0; margin: 0; }
.side-box li { margin: 0; border-bottom: 1px dashed var(--line); }
.side-box li:last-child { border-bottom: 0; }
.side-box li a { display: block; padding: 9px 0 9px 16px; font-size: .92rem; font-weight: 600; position: relative; }
.side-box li a::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.side-cta { background: linear-gradient(150deg, var(--brand-deep), #0d7f92); color: #fff; border: 0; text-align: center; }
.side-cta h3 { color: #fff; border-bottom-color: rgba(255, 255, 255, .25); }
.side-cta p { color: rgba(255, 255, 255, .85); font-size: .9rem; }
.side-cta .btn { margin-top: 4px; }
.side-cta .btn-primary { box-shadow: 0 10px 22px rgba(0, 0, 0, .22); }

/* 相关推荐 */
.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

/* ---------------- 底部下载条 ---------------- */
.cta-band {
  background: linear-gradient(135deg, #0b5563, #0e9d86 55%, #17be9b);
  color: #fff; padding: 56px 0; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px;
  border-radius: 50%; background: rgba(255, 255, 255, .09);
}
.cta-band::before {
  content: ""; position: absolute; left: -40px; bottom: -80px; width: 200px; height: 200px;
  border-radius: 50%; background: rgba(255, 201, 60, .14);
}
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr auto; gap: 28px; align-items: center; }
.cta-band h2 { color: #fff; margin-bottom: .3em; }
.cta-band p { color: rgba(255, 255, 255, .88); margin: 0; font-size: 1rem; }
.cta-band .btn-primary { white-space: nowrap; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: #0c2b36; color: #9fc2c9; padding: 52px 0 26px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: .8em; }
.site-footer a { color: #9fc2c9; }
.site-footer a:hover { color: #6fe3c6; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: .45em 0; }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.footer-brand img { width: 42px; height: 42px; border-radius: 12px; }
.footer-brand b { color: #fff; font-size: 1.25rem; letter-spacing: .5px; }
.footer-brand span { display: block; font-size: .72rem; color: #6fa0a9; letter-spacing: 1.6px; }
.footer-about { color: #8bb0b8; font-size: .9rem; max-width: 340px; }
.disclaimer {
  margin-top: 34px; padding: 16px 20px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
  color: #93b6bd; font-size: .86rem; line-height: 1.7;
}
.copy {
  margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  color: #7fa3ab; font-size: .84rem;
}

/* ---------------- 灯箱 ---------------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(9, 40, 48, .88); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 24px;
}
.lightbox.on { display: flex; }
.lightbox img {
  max-height: 88vh; max-width: 92vw; border-radius: 18px;
  border: 3px solid #fff; box-shadow: var(--shadow-l);
}
.lb-close {
  position: absolute; top: 20px; right: 24px; width: 46px; height: 46px;
  border-radius: 50%; border: 0; background: #fff; color: var(--ink);
  font-size: 1.5rem; font-weight: 700; cursor: pointer; line-height: 1;
}

/* ---------------- 动画 ---------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s 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: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .article-layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .shots { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; text-align: center; }
  .cta-inner .btn { justify-self: center; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 16px 18px; box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 12px; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .reviews, .related { grid-template-columns: 1fr; }
  .shots { grid-template-columns: repeat(2, 1fr); }
  .article { padding: 26px 20px; }
  .section { padding: 48px 0; }
  .float-chip.c1 { left: -2%; }
  .float-chip.c2 { right: -2%; }
  .step { grid-template-columns: 46px 1fr; gap: 14px; padding: 18px; }
  .step .num { width: 44px; height: 44px; font-size: 1.1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .article table { font-size: .86rem; }
  .article th, .article td { padding: 9px 10px; }
}
@media (max-width: 420px) {
  .shots { grid-template-columns: 1fr 1fr; gap: 12px; }
  .phone { width: 225px; }
  .btn { padding: 12px 22px; font-size: .98rem; }
  .btn-lg { padding: 14px 28px; font-size: 1.02rem; }
}