/* ==========================================================================
   囧次元 · 站点样式表 (style.css)
   字体：系统通用无衬线字体，无任何外部 CDN 依赖
   ========================================================================== */

:root {
  --brand: #ff6a2b;
  --brand-2: #ff9f1c;
  --brand-deep: #e2461a;
  --violet: #6c5ce7;
  --dark: #12142a;
  --dark-2: #1c1f3d;
  --ink: #171a2b;
  --ink-2: #565d79;
  --ink-3: #8b91a8;
  --bg: #ffffff;
  --bg-soft: #f5f6fb;
  --line: #e7e9f3;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(23, 26, 43, .06);
  --shadow: 0 10px 30px rgba(23, 26, 43, .09);
  --shadow-lg: 0 22px 60px rgba(23, 26, 43, .16);
  --maxw: 1180px;
  --font: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- 通用标题 ---------- */
h1, h2, h3, h4 { margin: 0; line-height: 1.35; font-weight: 700; }
h2 { font-size: 30px; letter-spacing: .5px; }
h3 { font-size: 19px; }
p { margin: 0 0 14px; }
.sec { padding: 76px 0; }
.sec-soft { background: var(--bg-soft); }

/* 锚点跳转时避开吸顶导航 */
[id] { scroll-margin-top: 84px; }

.sec-head { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.sec-head h2 { margin-bottom: 12px; }
.sec-head p { color: var(--ink-2); font-size: 15.5px; margin: 0; }
.sec-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--brand);
  background: rgba(255, 106, 43, .1);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  padding: 15px 30px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--brand-2), var(--brand) 55%, var(--brand-deep));
  box-shadow: 0 12px 26px rgba(255, 106, 43, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 106, 43, .45); }
.btn-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--line);
}
.btn-ghost:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-line {
  color: var(--brand);
  border: 2px solid rgba(255, 106, 43, .35);
  background: transparent;
}
.btn-line:hover { background: rgba(255, 106, 43, .08); }
.btn-sm { padding: 11px 22px; font-size: 14.5px; }
.btn-block { width: 100%; }

/* ---------- 头部导航 ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { width: 40px; height: 40px; border-radius: 11px; box-shadow: 0 4px 12px rgba(255, 106, 43, .3); }
.brand .brand-txt { font-size: 20px; font-weight: 800; letter-spacing: 1px; color: var(--ink); }
.brand .brand-sub { display: block; font-size: 11px; font-weight: 400; letter-spacing: 3px; color: var(--ink-3); line-height: 1; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 15px;
  color: var(--ink-2);
  transition: color .18s, background .18s;
}
.nav-links a:hover { color: var(--brand); background: rgba(255, 106, 43, .08); }
.nav-links a.on { color: var(--brand); font-weight: 700; background: rgba(255, 106, 43, .1); }
.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink);
  position: relative; transition: .2s;
}
.nav-toggle span::before { content: ""; position: absolute; top: -6px; }
.nav-toggle span::after { content: ""; position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1000px 520px at 12% -10%, rgba(255, 106, 43, .30), transparent 62%),
    radial-gradient(760px 480px at 88% 8%, rgba(108, 92, 231, .30), transparent 60%),
    linear-gradient(150deg, #101226 0%, #1a1c3a 52%, #241b3b 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 48px;
  align-items: center;
  padding: 74px 0 84px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 700; letter-spacing: .5px;
  color: #ffd9c2;
  background: rgba(255, 106, 43, .18);
  border: 1px solid rgba(255, 138, 90, .38);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 20px;
}
.hero-badge i { width: 7px; height: 7px; border-radius: 50%; background: #7ef0c2; box-shadow: 0 0 0 4px rgba(126, 240, 194, .22); }
.hero h1 {
  font-size: 52px;
  line-height: 1.18;
  letter-spacing: 1px;
  margin-bottom: 18px;
  background: linear-gradient(100deg, #fff 20%, #ffd0b4 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead { font-size: 17px; color: #c6c9e2; max-width: 520px; margin-bottom: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero .btn-ghost { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .22); color: #fff; }
.hero .btn-ghost:hover { background: rgba(255, 255, 255, .18); }

.hero-meta { display: flex; flex-wrap: wrap; gap: 22px 34px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta b { font-size: 21px; letter-spacing: .5px; color: #fff; }
.hero-meta span { font-size: 12.5px; color: #9ba0c0; }

.hero-visual { position: relative; display: flex; justify-content: center; gap: 20px; }
.phone {
  width: 232px;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .55);
  background: #0d0f1e;
}
.phone img { width: 100%; height: auto; }
.phone.p2 { transform: translateY(38px); width: 206px; opacity: .96; }
.float-tag {
  position: absolute;
  background: rgba(255, 255, 255, .97);
  color: var(--ink);
  border-radius: 14px;
  padding: 11px 16px;
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  animation: floaty 5s ease-in-out infinite;
}
.float-tag small { display: block; font-weight: 400; color: var(--ink-3); font-size: 11.5px; }
.tag-1 { left: -6px; top: 12%; }
.tag-2 { left: 4px; bottom: 9%; animation-delay: 1.4s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

/* ---------- 信任条 ---------- */
.trust { background: #fff; border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 30px 0; }
.trust-item { text-align: center; }
.trust-item b { display: block; font-size: 25px; color: var(--brand); letter-spacing: .5px; }
.trust-item span { font-size: 13.5px; color: var(--ink-2); }

/* ---------- 功能卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(255, 106, 43, .3); }
.card h3 { margin-bottom: 9px; }
.card p { color: var(--ink-2); font-size: 14.8px; margin: 0; }
.ico {
  width: 50px; height: 50px;
  border-radius: 15px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(255, 159, 28, .18), rgba(255, 106, 43, .16));
}
.ico svg { width: 25px; height: 25px; stroke: var(--brand); fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.ico.v { background: linear-gradient(135deg, rgba(108, 92, 231, .2), rgba(108, 92, 231, .1)); }
.ico.v svg { stroke: var(--violet); }

/* ---------- 截图区 ---------- */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.shot {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 12px 12px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease;
}
.shot:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.shot-img {
  border-radius: 13px;
  overflow: hidden;
  background: #0d0f1e;
  display: flex;
  justify-content: center;
}
.shot-img img { width: auto; max-width: 100%; height: auto; }
.shot b { display: block; font-size: 14.5px; margin-top: 12px; }
.shot span { display: block; font-size: 12.8px; color: var(--ink-3); line-height: 1.6; }

/* ---------- 深度内容入口 ---------- */
.entry {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  height: 100%;
}
.entry:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(255, 106, 43, .34); }
.entry .no {
  font-size: 13px; font-weight: 800; letter-spacing: 2px; color: var(--brand);
  margin-bottom: 12px;
}
.entry h3 { margin-bottom: 10px; }
.entry p { color: var(--ink-2); font-size: 14.6px; flex: 1; }
.entry .more { color: var(--brand); font-weight: 700; font-size: 14.5px; display: inline-flex; align-items: center; gap: 6px; }
.entry:hover .more { gap: 11px; }
.entry .more { transition: gap .2s ease; }

/* ---------- 评价 ---------- */
.quote {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: 16px;
  padding: 24px 26px;
  box-shadow: var(--shadow-sm);
}
.quote .stars { color: #ffb020; letter-spacing: 2px; font-size: 14px; margin-bottom: 10px; }
.quote p { font-size: 15px; color: var(--ink); margin-bottom: 16px; }
.quote .who { display: flex; align-items: center; gap: 11px; }
.quote .av {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
}
.quote .who b { display: block; font-size: 14px; }
.quote .who span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- FAQ 折叠 ---------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 15px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item.open { border-color: rgba(255, 106, 43, .4); box-shadow: var(--shadow-sm); }
.faq-q {
  display: flex; align-items: flex-start; gap: 12px;
  width: 100%;
  text-align: left;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  background: none;
  border: 0;
  padding: 19px 22px;
  cursor: pointer;
}
.faq-q .mark {
  flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 7px; margin-top: 3px;
  background: rgba(255, 106, 43, .12); color: var(--brand);
  font-size: 13px; font-weight: 800; line-height: 22px; text-align: center;
}
.faq-q .arrow { margin-left: auto; color: var(--ink-3); transition: transform .25s; flex-shrink: 0; margin-top: 4px; }
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a .inner { padding: 0 22px 20px 56px; color: var(--ink-2); font-size: 15px; }
.faq-a .inner p:last-child { margin-bottom: 0; }

/* ---------- CTA 下载区 ---------- */
.cta {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(700px 380px at 15% 0%, rgba(255, 106, 43, .35), transparent 60%),
    radial-gradient(600px 340px at 88% 100%, rgba(108, 92, 231, .35), transparent 62%),
    linear-gradient(140deg, #14162c, #241d3f);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 52px 46px;
  text-align: center;
}
.cta h2 { color: #fff; margin-bottom: 12px; }
.cta p { color: #c3c7e0; max-width: 620px; margin: 0 auto 26px; }
.cta .btn-primary { font-size: 17px; padding: 17px 40px; }
.cta .hint { margin-top: 16px; font-size: 13px; color: #9298b8; }

/* ---------- 页脚 ---------- */
.site-foot { background: #0f1122; color: #9aa0bd; padding: 56px 0 26px; margin-top: 0; }
.foot-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.foot-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.foot-brand img { width: 40px; height: 40px; border-radius: 11px; }
.foot-brand b { color: #fff; font-size: 19px; letter-spacing: 1px; }
.foot-col h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.foot-col a { display: block; font-size: 14px; color: #9aa0bd; padding: 5px 0; transition: color .18s; }
.foot-col a:hover { color: var(--brand); }
.foot-desc { font-size: 13.5px; color: #7e849f; max-width: 320px; }
.foot-note { padding: 22px 0 0; font-size: 13px; color: #737894; line-height: 1.85; }
.foot-note .disc { color: #868caa; }
.foot-copy { margin-top: 14px; font-size: 13px; color: #686e8a; }

/* ---------- 内页头部 ---------- */
.page-head {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(700px 360px at 12% -20%, rgba(255, 106, 43, .32), transparent 62%),
    radial-gradient(620px 340px at 90% 0%, rgba(108, 92, 231, .30), transparent 60%),
    linear-gradient(150deg, #111327, #1e1c3c);
  color: #fff;
  padding: 58px 0 60px;
}
.page-head .crumb { font-size: 13.5px; color: #9ba0c0; margin-bottom: 14px; }
.page-head .crumb a:hover { color: var(--brand); }
.page-head .crumb i { font-style: normal; padding: 0 8px; color: #5f648a; }
.page-head h1 { font-size: 38px; margin-bottom: 14px; letter-spacing: .5px; }
.page-head p { color: #c3c7e0; max-width: 720px; margin: 0; font-size: 16px; }

/* ---------- 内页正文 ---------- */
.article { max-width: 900px; margin: 0 auto; }
.article h2 { margin: 44px 0 16px; font-size: 26px; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin: 26px 0 10px; color: var(--ink); }
.article p { color: #3c4159; font-size: 16px; }
.article ul, .article ol { margin: 0 0 18px; padding-left: 0; }
.article ul li, .article ol li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 9px;
  color: #3c4159;
  font-size: 15.6px;
}
.article ul li::before {
  content: ""; position: absolute; left: 4px; top: 11px;
  width: 7px; height: 7px; border-radius: 2px; background: var(--brand);
}
.article ol { counter-reset: n; }
.article ol li { counter-increment: n; padding-left: 40px; }
.article ol li::before {
  content: counter(n);
  position: absolute; left: 0; top: 2px;
  width: 25px; height: 25px; border-radius: 8px;
  background: rgba(255, 106, 43, .12); color: var(--brand);
  font-size: 13px; font-weight: 800; text-align: center; line-height: 25px;
}
.article a.inlink { color: var(--brand); font-weight: 700; border-bottom: 1px dashed rgba(255, 106, 43, .5); }
.article a.inlink:hover { border-bottom-style: solid; }

.callout {
  background: linear-gradient(135deg, rgba(255, 159, 28, .1), rgba(255, 106, 43, .08));
  border: 1px solid rgba(255, 106, 43, .22);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 22px 0;
}
.callout p { margin: 0; font-size: 15px; color: #6a4a33; }
.callout b { color: var(--brand-deep); }

ol.step-list { counter-reset: s; margin: 0; }
.article ol.step-list > li {
  position: relative;
  padding: 0 0 24px 62px;
  border-left: 2px dashed var(--line);
  margin-left: 21px;
  margin-bottom: 0;
  counter-increment: s;
  color: #3c4159;
  font-size: 15.6px;
}
.article ol.step-list > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.article ol.step-list > li::before {
  content: counter(s);
  position: absolute; left: -21px; top: 0;
  width: 42px; height: 42px; border-radius: 13px;
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  color: #fff; font-size: 16px; font-weight: 800; text-align: center; line-height: 42px;
  box-shadow: 0 8px 18px rgba(255, 106, 43, .3);
}
.step-list h3 { margin: 6px 0 7px; font-size: 18px; }
.step-list p { margin: 0; color: #4a506b; font-size: 15.3px; }

.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.related a {
  display: block;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.related a:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(255, 106, 43, .32); }
.related b { display: block; margin-bottom: 6px; font-size: 16px; }
.related span { font-size: 13.6px; color: var(--ink-3); }

/* ---------- 滚动显现（仅在 JS 可用时启用，避免脚本失效导致内容隐藏） ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 26px; z-index: 50;
  width: 46px; height: 46px; border-radius: 50%;
  border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  color: #fff; font-size: 18px; line-height: 1;
  box-shadow: 0 10px 24px rgba(255, 106, 43, .4);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: .25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 46px; text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-meta { justify-content: center; }
  .hero-meta div { align-items: center; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .shots { grid-template-columns: repeat(3, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  h2 { font-size: 24px; }
  .sec { padding: 54px 0; }
  .hero h1 { font-size: 34px; }
  .hero-inner { padding: 52px 0 62px; }
  .hero-visual { gap: 14px; }
  .phone { width: 176px; }
  .phone.p2 { width: 152px; }
  .float-tag { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .grid-3, .grid-2, .related { grid-template-columns: 1fr; }
  .shots { grid-template-columns: repeat(2, 1fr); }
  .page-head h1 { font-size: 27px; }
  .cta { padding: 38px 22px; }
  .foot-top { grid-template-columns: 1fr; gap: 22px; }

  .nav-links {
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 12px 16px 18px;
    margin-left: 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 14px; }
  .nav-cta { margin: 8px 0 0; }
  .nav-cta .btn { width: 100%; }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav .brand-sub { display: none; }
}

@media (max-width: 420px) {
  .shots { grid-template-columns: 1fr; }
  .hero h1 { font-size: 29px; }
}