/* roulang page: index */
:root {
  --primary: #FF5A2C;
  --primary-deep: #E8421A;
  --gold: #FFB84B;
  --safe: #1DC8A3;
  --cool: #5260FF;
  --ink: #0D1220;
  --text-main: #232938;
  --text-sub: #5B6270;
  --text-weak: #8B91A1;
  --bg-light: #F5F4F7;
  --card-bg: #FFFFFF;
  --border-light: rgba(0, 0, 0, 0.06);
  --grad: linear-gradient(135deg, #FF5A2C 0%, #FF9B44 55%, #FFB84B 100%);
  --hero-glass: rgba(255, 255, 255, 0.14);
  --header-bg: rgba(255, 255, 255, 0.92);
  --shadow-card: 0 12px 40px rgba(23, 27, 36, 0.06);
  --shadow-hover: 0 22px 60px rgba(255, 90, 44, 0.15);
  --r-lg: 24px;
  --r-md: 18px;
  --r-sm: 14px;
  --r-pill: 999px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.container {
  width: min(1200px, 100% - 48px);
  margin-left: auto;
  margin-right: auto;
}
.section {
  padding-top: clamp(72px, 8vw, 128px);
  padding-bottom: clamp(72px, 8vw, 128px);
  position: relative;
}
::selection {
  background: rgba(255, 90, 44, 0.28);
  color: var(--ink);
}
:focus-visible {
  outline: 3px solid var(--safe);
  outline-offset: 2px;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 72px;
  color: #fff;
  background: rgba(13, 18, 32, 0.18);
  background: linear-gradient(to bottom, rgba(13, 18, 32, 0.32), rgba(13, 18, 32, 0.08));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled {
  background: var(--header-bg);
  border-bottom-color: rgba(0, 0, 0, 0.06);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  color: var(--ink);
}
.nav-wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: inherit;
  min-width: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: var(--grad);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(255, 90, 44, 0.32);
  flex-shrink: 0;
}
.logo-mark svg {
  width: 24px;
  height: 24px;
}
.logo-mark path, .logo-mark circle {
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0;
}
.logo-text strong {
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.logo-text small {
  font-size: 11px;
  opacity: 0.7;
  letter-spacing: 0.12em;
  margin-top: 2px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  color: inherit;
  position: relative;
  opacity: 0.86;
  transition: background 0.2s ease, opacity 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.main-nav a:hover {
  background: rgba(255, 255, 255, 0.14);
  opacity: 1;
}
.site-header.scrolled .main-nav a:hover {
  background: rgba(13, 18, 32, 0.06);
}
.main-nav a.active {
  opacity: 1;
  font-weight: 700;
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 4px;
  border-radius: var(--r-pill);
  background: var(--grad);
}
.header-cta {
  margin-left: 8px;
  background: var(--grad);
  color: #fff;
  border-radius: var(--r-sm);
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(255, 90, 44, 0.36);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(255, 90, 44, 0.4);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  align-items: center;
  justify-content: center;
  color: inherit;
  background: rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 2px 0;
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 80px;
  color: #fff;
  overflow: hidden;
  background-color: var(--ink);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(ellipse at 70% 18%, rgba(255, 155, 68, 0.38) 0%, transparent 42%), radial-gradient(ellipse at 18% 85%, rgba(82, 96, 255, 0.15) 0%, transparent 44%), linear-gradient(112deg, rgba(13, 18, 32, 0.92) 0%, rgba(13, 18, 32, 0.55) 100%), url("/assets/images/backpic/back-1.png");
  background-position: center;
  background-size: cover;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 18, 32, 0.15) 0%, rgba(13, 18, 32, 0.45) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero-content {
  max-width: 640px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--hero-glass);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}
.hero-tag i {
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 184, 75, 0.2);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 66px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
}
.hero-highlight {
  position: relative;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  z-index: 0;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.9;
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-bottom: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--r-sm);
  font-weight: 700;
  line-height: 1;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 14px 36px rgba(255, 90, 44, 0.38);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(255, 90, 44, 0.5);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-3px);
}
.btn-lg {
  padding: 0 28px;
  height: 54px;
  font-size: 16px;
}
.btn-md {
  padding: 0 22px;
  height: 46px;
  font-size: 15px;
}
.btn-sm {
  padding: 0 16px;
  height: 38px;
  font-size: 13px;
}
.btn-dark {
  background: var(--ink);
  color: #fff;
}
.btn-dark:hover {
  background: #1d2435;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(13, 18, 32, 0.3);
}
.hero-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-note::before {
  content: "";
  width: 18px;
  height: 1px;
  background: rgba(255, 255, 255, 0.45);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.hero-stat {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--r-sm);
  padding: 14px 18px;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  min-width: 118px;
}
.hero-stat b {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stat span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}
.hero-phone {
  display: flex;
  justify-content: center;
  align-items: center;
}
.phone-visual {
  width: min(340px, 92%);
  border-radius: 38px;
  background: #171c28;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.42);
}
.phone-screen {
  position: relative;
  border-radius: 27px;
  overflow: hidden;
  background: var(--ink);
  aspect-ratio: 9 / 16;
  min-height: 460px;
}
.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}
.phone-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 18, 32, 0.22) 0%, transparent 30%, rgba(13, 18, 32, 0.12) 60%, rgba(13, 18, 32, 0.84) 100%);
}
.phone-top {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}
.phone-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(13, 18, 32, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-pill);
  padding: 5px 12px;
  font-size: 12px;
  color: #fff;
  backdrop-filter: blur(6px);
}
.phone-live em {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #FF5A2C;
  animation: pulse 1.4s infinite;
}
.phone-tag {
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-pill);
  padding: 5px 12px;
}
.phone-coll {
  position: absolute;
  bottom: 64px;
  left: 18px;
  right: 18px;
  color: #fff;
  z-index: 2;
}
.phone-coll h3 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  margin-bottom: 6px;
}
.phone-coll p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.phone-bottom {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  z-index: 2;
}
.phone-bar {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 184, 75, 0.2);
  margin-right: 6px;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 90, 44, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(255, 90, 44, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 44, 0); }
}

/* Section Head */
.section-head {
  max-width: 720px;
  margin-bottom: 50px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 3px;
  background: var(--grad);
  border-radius: var(--r-pill);
}
.section-head.center .eyebrow::after {
  content: "";
  width: 20px;
  height: 3px;
  background: var(--grad);
  border-radius: var(--r-pill);
}
.section-title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.section-sub {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}

/* Popular Video section */
.videos-section {
  background: var(--bg-light);
}
.video-scroll {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  padding: 6px 2px 26px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.video-scroll::-webkit-scrollbar {
  height: 8px;
}
.video-scroll::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.04);
  border-radius: 20px;
}
.video-scroll::-webkit-scrollbar-thumb {
  background: var(--grad);
  border-radius: 20px;
}
.video-card {
  position: relative;
  flex: 0 0 300px;
  max-width: 300px;
  aspect-ratio: 9 / 16;
  border-radius: 28px;
  overflow: hidden;
  scroll-snap-align: start;
  background: #e3e3e7;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
}
.video-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover img {
  transform: scale(1.05);
}
.video-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 18, 32, 0.24) 0%, transparent 28%, transparent 44%, rgba(13, 18, 32, 0.78) 84%);
  z-index: 2;
}
.video-corner {
  position: absolute;
  top: 16px;
  left: 14px;
  z-index: 3;
  background: rgba(13, 18, 32, 0.62);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--r-pill);
  padding: 6px 12px;
  backdrop-filter: blur(8px);
}
.video-play {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.3);
  z-index: 3;
  font-size: 20px;
  transition: transform 0.2s ease;
}
.video-card:hover .video-play {
  transform: translate(-50%, -50%) scale(1.08);
}
.video-content {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 44px;
  color: #fff;
  z-index: 3;
}
.video-content h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.84);
}
.video-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 5px 10px;
  border-radius: var(--r-pill);
  backdrop-filter: blur(8px);
}
.video-meta b {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}
.scroll-hint {
  text-align: center;
  color: var(--text-weak);
  font-size: 13px;
  margin-top: 6px;
}

/* Checklist Steps */
.steps-section {
  background: #fff;
}
.steps-wrapper {
  max-width: 860px;
  margin: 0 auto;
}
.step-row {
  display: flex;
  gap: 26px;
  padding: 30px 0;
  position: relative;
}
.step-row:not(:last-child) {
  border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
}
.step-num {
  flex-shrink: 0;
  width: 68px;
  height: 68px;
  border-radius: 20px;
  background: var(--grad);
  color: #fff;
  font-size: 26px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 34px rgba(255, 90, 44, 0.28);
}
.step-body {
  flex: 1;
  padding-top: 5px;
}
.step-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.5;
}
.step-body p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 10px;
}
.step-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.step-point {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-size: 13px;
  border-radius: var(--r-pill);
  padding: 5px 12px;
}
.step-point::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--safe);
}

/* Review Section */
.reviews-section {
  background: #F1EFE5;
}
.review-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 32px;
  align-items: start;
}
.review-summary {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 30px;
  box-shadow: var(--shadow-card);
}
.summary-score {
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}
.summary-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.summary-label {
  font-size: 15px;
  color: var(--text-sub);
}
.progress-track {
  width: 100%;
  height: 8px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.08);
  overflow: hidden;
  margin-bottom: 16px;
}
.progress-fill {
  height: 100%;
  background: var(--grad);
  border-radius: var(--r-pill);
}
.avatar-stack {
  display: flex;
  align-items: center;
  margin-top: 6px;
}
.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  margin-left: -8px;
}
.avatar:first-child {
  margin-left: 0;
}
.avatar.av2 { background: #6454F0; }
.avatar.av3 { background: #3AA6B9; }
.avatar.av4 { background: #D989B5; }
.avatar.av5 { background: #8C7851; }
.review-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.review-card {
  background: #fff;
  border-radius: var(--r-md);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
  border: 1px solid var(--border-light);
  position: relative;
}
.quote-icon {
  font-size: 32px;
  line-height: 1;
  color: var(--primary);
  opacity: 0.24;
  font-family: Georgia, serif;
  flex-shrink: 0;
  margin-top: -6px;
}
.review-txt {
  flex: 1;
}
.review-txt p {
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 14px;
}
.review-badge {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-light);
  font-size: 12px;
  color: var(--text-sub);
  border-radius: var(--r-pill);
  padding: 4px 11px;
  border: 1px solid var(--border-light);
}
.chip.like {
  color: var(--primary);
  font-weight: 600;
}
.chip.done {
  color: #0B9B78;
}
.chip.done::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--safe);
  border-radius: 50%;
}

/* Conversion CTA */
.convert-section {
  background: var(--ink);
  overflow: hidden;
  position: relative;
}
.convert-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 20%, rgba(255, 90, 44, 0.28) 0%, transparent 50%), radial-gradient(ellipse at 85% 85%, rgba(255, 184, 75, 0.2) 0%, transparent 44%);
}
.convert-card {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  padding: clamp(40px, 6vw, 80px);
  text-align: center;
  backdrop-filter: blur(16px);
}
.convert-card h2 {
  color: #fff;
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 18px;
}
.convert-card p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 34px;
  font-size: 16px;
  line-height: 1.9;
}
.convert-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}
.convert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 14px;
}
.convert-badge i {
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
}
.cta-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.48);
  margin-top: 16px;
}

/* News Section */
.news-section {
  background: var(--bg-light);
}
.news-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.news-intro {
  position: sticky;
  top: 100px;
}
.news-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  margin-bottom: 16px;
}
.news-tab {
  display: inline-flex;
  align-items: center;
  color: var(--text-sub);
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.news-tab:hover {
  color: var(--primary);
  border-color: rgba(255, 90, 44, 0.3);
  transform: translateY(-2px);
}
.news-list {
  display: flex;
  flex-direction: column;
}
.news-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 26px;
  background: #fff;
  border-radius: var(--r-md);
  border: 1px solid var(--border-light);
  margin-bottom: 14px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}
.news-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.news-row:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 90, 44, 0.18);
}
.news-row:hover::before {
  opacity: 1;
}
.news-meter {
  flex-shrink: 0;
  text-align: center;
  width: 72px;
  padding-top: 6px;
  color: var(--text-weak);
}
.news-meter b {
  display: block;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--ink);
}
.news-meter span {
  font-size: 11px;
}
.news-main {
  flex: 1;
  min-width: 0;
}
.news-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.news-cat {
  display: inline-block;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--r-pill);
  padding: 3px 12px;
}
.news-date {
  font-size: 13px;
  color: var(--text-weak);
}
.news-main h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 6px;
}
.news-main h3 a:hover {
  color: var(--primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.readmore {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.readmore:hover::after {
  content: "→";
  transition: transform 0.2s ease;
}
.news-empty {
  background: rgba(255, 255, 255, 0.7);
  border: 1px dashed rgba(0, 0, 0, 0.16);
  border-radius: var(--r-md);
  padding: 60px 30px;
  text-align: center;
  color: var(--text-weak);
}
.no-percent {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  background: #fff;
  border-radius: var(--r-pill);
  padding: 10px 18px;
  border: 1px solid var(--border-light);
}

/* FAQ Section */
.faq-section {
  background: #fff;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.faq-item {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.faq-item.open {
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 90, 44, 0.3);
  border-left: 3px solid var(--primary);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.faq-q h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border-light);
  position: relative;
  flex-shrink: 0;
  transition: background 0.25s ease, transform 0.25s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::before {
  width: 12px;
  height: 2px;
}
.faq-icon::after {
  width: 2px;
  height: 12px;
  transition: transform 0.25s ease;
}
.faq-item.open .faq-icon {
  background: var(--grad);
  border-color: transparent;
  transform: rotate(180deg);
}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: #fff;
}
.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) scale(0);
}
.faq-a {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
}
.faq-item.open .faq-a {
  padding: 0 22px 22px;
  max-height: 280px;
}
.faq-a p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.95;
}

/* Final CTA */
.final-section {
  background: var(--bg-light);
}
.final-card {
  border: 2px solid var(--ink);
  border-radius: var(--r-lg);
  padding: clamp(32px, 5vw, 60px);
  text-align: center;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.final-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 6px;
  background: var(--grad);
  border-radius: var(--r-pill);
}
.final-card h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.3;
}
.final-card p {
  color: var(--text-sub);
  max-width: 620px;
  margin: 0 auto 26px;
  line-height: 1.9;
  font-size: 16px;
}
.final-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* Footer */
.site-footer {
  background: #EFEEF1;
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-light);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 50px;
  margin-bottom: 44px;
}
.footer-brand h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}
.footer-brand p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.9;
  max-width: 380px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-nav a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.2s ease, transform 0.2s ease;
}
.footer-nav a:hover {
  color: var(--primary);
  transform: translateX(4px);
}
.footer-note {
  background: #e5e4e8;
  border-radius: var(--r-md);
  padding: 18px 20px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.8;
}
.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.07);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--text-weak);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 1099px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions, .hero-stats {
    justify-content: center;
  }
  .hero-note {
    justify-content: center;
  }
  .hero-phone {
    order: 2;
    margin-top: 24px;
  }
  .phone-visual {
    width: min(320px, 80%);
  }
  .main-nav a {
    padding: 10px 12px;
    font-size: 14px;
  }
  .header-cta {
    padding: 11px 14px;
    font-size: 13px;
  }
  .review-layout {
    grid-template-columns: 240px 1fr;
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .news-intro {
    position: static;
  }
}
@media (max-width: 900px) {
  .site-header {
    height: auto;
    min-height: 66px;
  }
  .nav-wrap {
    height: 66px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 767px) {
  .container {
    width: min(100% - 32px, 640px);
  }
  .main-nav {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-wrap.open .main-nav {
    display: flex;
    position: fixed;
    top: 66px;
    left: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
    color: var(--ink);
    z-index: 300;
  }
  .site-header .main-nav a:hover {
    background: rgba(13, 18, 32, 0.06);
  }
  .nav-wrap.open .main-nav .header-cta-mobile {
    display: flex;
  }
  .hero {
    padding-top: 110px;
    padding-bottom: 56px;
  }
  .hero h1 {
    font-size: clamp(34px, 9vw, 46px);
  }
  .hero-stats {
    gap: 8px;
  }
  .hero-stat {
    min-width: calc(50% - 8px);
    flex: 1;
    padding: 12px 14px;
  }
  .review-layout {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .step-row {
    flex-direction: column;
    gap: 16px;
  }
  .step-num {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    font-size: 22px;
  }
  .news-row {
    flex-direction: column;
    gap: 14px;
    padding: 20px;
  }
  .news-meter {
    display: flex;
    align-items: center;
    gap: 8px;
    width: auto;
    text-align: left;
    padding-top: 0;
  }
  .phone-visual {
    width: min(300px, 88%);
  }
  .video-card {
    flex-basis: 260px;
    max-width: 260px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
  .btn-lg {
    width: 100%;
  }
  .hero-actions {
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root{
  --brand-a:#FF5A2C;
  --brand-b:#FFB84B;
  --brand-c:#FF9B44;
  --safe:#1DC8A3;
  --indigo:#5260FF;
  --ink:#0D1220;
  --page:#F5F4F7;
  --card:#FFFFFF;
  --text:#1B2130;
  --text-2:#5A6172;
  --text-3:#8A90A0;
  --line:rgba(23,27,36,.10);
  --grad:linear-gradient(135deg,#FF5A2C 0%,#FF9B44 55%,#FFB84B 100%);
  --glass-dark:rgba(255,255,255,.14);
  --glass-light:rgba(255,255,255,.85);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,27,36,.06);
  --sh-2:0 14px 34px rgba(255,90,44,.16);
  --pad-sec:clamp(72px,8vw,128px);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--page);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{line-height:1.25;font-weight:750;letter-spacing:-.4px}
:focus-visible{outline:3px solid var(--safe);outline-offset:2px;border-radius:6px}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.15);
  box-shadow:0 4px 24px rgba(13,18,32,.10);
  transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:rgba(0,0,0,.06);
  box-shadow:0 8px 30px rgba(0,0,0,.08);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;padding:0 24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,90,44,.28);flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:15px;font-weight:750;letter-spacing:.2px;color:#fff;transition:color .3s ease}
.logo-text small{font-size:11px;color:rgba(255,255,255,.62);letter-spacing:.5px;transition:color .3s ease}
.site-header.scrolled .logo-text strong{color:var(--ink)}
.site-header.scrolled .logo-text small{color:var(--text-3)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:rgba(255,255,255,.76);
  transition:color .25s ease,background .25s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
.main-nav a.active{color:#fff;font-weight:650}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:var(--r-pill);background:var(--grad);
}
.site-header.scrolled .main-nav a{color:var(--text-2)}
.site-header.scrolled .main-nav a:hover{color:var(--brand-a);background:rgba(255,90,44,.08)}
.site-header.scrolled .main-nav a.active{color:var(--ink)}
.header-cta{
  padding:10px 20px;border-radius:var(--r-btn);background:var(--grad);color:#fff;
  font-size:14px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(255,90,44,.28);
  transition:transform .25s ease,box-shadow .25s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,44,.36)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.28);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .3s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:background .3s ease}
.site-header.scrolled .nav-toggle{border-color:var(--line)}
.site-header.scrolled .nav-toggle span{background:var(--ink)}

/* ---------- 文章页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:calc(72px + 66px) 0 76px;
  background:
    radial-gradient(circle at 78% 18%,rgba(255,155,68,.34) 0%,rgba(255,90,44,0) 55%),
    linear-gradient(180deg,rgba(13,18,32,.86) 0%,rgba(13,18,32,.94) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;left:-10%;bottom:-40%;width:60%;height:80%;
  background:radial-gradient(circle,rgba(255,184,75,.20) 0%,rgba(255,184,75,0) 65%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.45fr .85fr;gap:48px;align-items:end}
.crumb{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:10px;max-width:100%;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:13px;color:rgba(255,255,255,.72);
}
.crumb a{transition:color .25s ease}
.crumb a:hover{color:var(--brand-b)}
.crumb em{font-style:normal;color:#fff;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-kicker{margin-top:24px;font-size:clamp(20px,2.2vw,26px);font-weight:700;color:#fff;letter-spacing:-.3px}
.hero-desc{margin-top:14px;max-width:56ch;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.72)}
.hero-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);font-size:12.5px;color:rgba(255,255,255,.78);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.hbadge{
  min-width:132px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.hbadge strong{
  display:block;font-size:24px;font-weight:800;letter-spacing:.5px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hbadge span{display:block;margin-top:4px;font-size:12.5px;color:rgba(255,255,255,.72)}

/* ---------- 正文区 ---------- */
.article-main{padding:clamp(56px,7vw,96px) 0 0}
.article-card{
  max-width:980px;margin:0 auto;background:var(--card);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:clamp(28px,4vw,56px);
}
.article-inner{max-width:76ch;margin:0 auto}
.article-title{
  font-size:clamp(26px,3.2vw,40px);font-weight:800;color:var(--ink);
  letter-spacing:-.6px;line-height:1.3;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-bottom:26px;
  border-bottom:1px solid var(--line);
}
.article-meta span{
  padding:6px 14px;border-radius:var(--r-pill);background:#F5F4F7;
  border:1px solid var(--line);font-size:12.5px;color:var(--text-3);
}
.article-cat{
  background:rgba(255,90,44,.10) !important;border-color:rgba(255,90,44,.24) !important;
  color:var(--brand-a) !important;font-weight:600;
}
.article-body{margin-top:30px;font-size:17.5px;line-height:1.95;color:#2A3040}
.article-body p{margin:0 0 22px}
.article-body h2{
  margin:44px 0 18px;font-size:clamp(21px,2.2vw,27px);color:var(--ink);
  padding-left:14px;border-left:4px solid var(--brand-a);border-radius:2px;
}
.article-body h3{margin:32px 0 14px;font-size:clamp(18px,1.8vw,22px);color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--brand-a);font-weight:700}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand-a);border-bottom:1px solid rgba(255,90,44,.35);transition:border-color .25s ease,color .25s ease}
.article-body a:hover{color:var(--brand-c);border-bottom-color:var(--brand-c)}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-radius:var(--r-md);
  background:#FBF7F3;border-left:4px solid var(--brand-b);
  color:var(--text-2);font-size:16px;
}
.article-body img{border-radius:var(--r-md);margin:26px auto;box-shadow:var(--sh-1)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#F7F6F9;color:var(--ink);font-weight:650}
.article-body code{background:#F3F2F6;padding:2px 7px;border-radius:6px;font-size:15px;color:var(--brand-a)}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px dashed var(--line)}
.tag{
  padding:7px 16px;border-radius:var(--r-pill);background:#F5F4F7;
  border:1px solid var(--line);font-size:13px;color:var(--text-2);
  transition:background .25s ease,border-color .25s ease,color .25s ease;
}
.tag:hover{background:rgba(255,90,44,.08);border-color:rgba(255,90,44,.3);color:var(--brand-a)}

.empty-state{
  padding:52px 24px;text-align:center;border:1px dashed rgba(23,27,36,.18);
  border-radius:var(--r-md);background:#FBFAFC;
}
.empty-state h2{font-size:21px;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--text-3);margin-bottom:24px}

/* ---------- 上/下篇 ---------- */
.article-pager{
  max-width:980px;margin:26px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.pager-link{
  display:flex;flex-direction:column;gap:6px;padding:20px 24px;
  background:var(--card);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.pager-link span{font-size:12.5px;color:var(--text-3);letter-spacing:.5px}
.pager-link strong{font-size:16px;font-weight:650;color:var(--text)}
.pager-link:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.pager-link.next{text-align:right;align-items:flex-end}

/* ---------- 相关推荐 ---------- */
.related{max-width:980px;margin:clamp(56px,6vw,88px) auto 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--ink)}
.section-head p{font-size:14px;color:var(--text-3)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{
  display:flex;flex-direction:column;background:var(--card);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rcard-figure{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EDECF1}
.rcard-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rcard:hover .rcard-figure img{transform:scale(1.05)}
.rcard-cat{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(13,18,32,.62);border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  font-size:12px;color:#fff;
}
.rcard-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45}
.rcard-body p{font-size:14px;color:var(--text-2);line-height:1.75;flex:1}
.rcard-time{font-size:12.5px;color:var(--text-3);letter-spacing:.3px}

/* ---------- 窄幅 CTA ---------- */
.cta-bar{
  max-width:980px;margin:clamp(48px,6vw,80px) auto 0;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:26px 32px;border-radius:var(--r-md);
  background:linear-gradient(135deg,rgba(255,255,255,.88) 0%,rgba(245,244,247,.78) 100%);
  border:1px solid rgba(255,90,44,.18);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(23,27,36,.06);
}
.cta-bar h2{font-size:clamp(18px,1.9vw,22px);color:var(--ink)}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:52ch}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,44,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,44,.36)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand-a);color:var(--brand-a)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:clamp(72px,8vw,120px);background:#EFEDF2;color:var(--text)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:48px;
  padding:clamp(48px,6vw,72px) 0 40px;
}
.footer-brand h4{font-size:18px;font-weight:750;color:var(--ink);margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2)}
.footer-title{font-size:14.5px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-nav{display:flex;flex-direction:column;gap:11px}
.footer-nav a{font-size:14px;color:var(--text-2);transition:color .25s ease,transform .25s ease;width:fit-content}
.footer-nav a:hover{color:var(--brand-a);transform:translateX(3px)}
.footer-note{font-size:13.5px;line-height:1.9;color:var(--text-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 30px;border-top:1px solid rgba(23,27,36,.08);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1099px){
  .hero-inner{grid-template-columns:1fr;gap:32px;align-items:start}
  .hero-badges{justify-content:flex-start}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:1024px){
  .nav-toggle{display:flex;margin-left:auto}
  .header-cta{margin-left:auto}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;margin:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:28px 24px;
    background:rgba(13,18,32,.88);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .3s ease,transform .3s ease;
    overflow-y:auto;
  }
  body.nav-open .main-nav{opacity:1;transform:none;pointer-events:auto}
  .main-nav a{width:100%;padding:15px 18px;font-size:17px;border-radius:14px;color:rgba(255,255,255,.86)}
  .site-header.scrolled .main-nav a{color:rgba(255,255,255,.86)}
  .site-header.scrolled .main-nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
  .main-nav a.active{color:#fff}
  .main-nav a.active::after{left:18px;transform:none;bottom:8px}
  .logo-text strong{font-size:14px}
}
@media (max-width:900px){
  .article-pager{grid-template-columns:1fr}
  .pager-link.next{text-align:left;align-items:flex-start}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 24px}
  .cta-bar .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:32px}
}
@media (max-width:767px){
  .container{width:calc(100% - 32px)}
  .nav-wrap{padding:0 16px}
  .page-hero{padding:calc(72px + 44px) 0 56px}
  .hero-kicker{font-size:19px}
  .crumb em{max-width:200px}
  .hbadge{min-width:calc(50% - 7px);flex:1}
  .article-card{border-radius:var(--r-md);padding:24px 20px}
  .article-body{font-size:16.5px;line-height:1.9}
  .related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%}
}
@media (max-width:640px){
  .header-cta{display:none}
  .logo-text small{display:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-orange:#FF5A2C;
  --brand-gold:#FFB84B;
  --brand-grad:linear-gradient(135deg,#FF5A2C 0%,#FF9B44 55%,#FFB84B 100%);
  --safe-teal:#1DC8A3;
  --indigo:#5260FF;
  --ink:#0D1220;
  --ink-2:#151C30;
  --page-bg:#F5F4F7;
  --card:#FFFFFF;
  --text:#1A1F2E;
  --text-soft:#5A6172;
  --text-mute:#8A90A2;
  --border:rgba(13,18,32,.08);
  --border-strong:rgba(13,18,32,.14);
  --glass:rgba(255,255,255,.14);
  --glass-strong:rgba(255,255,255,.92);
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-1:0 6px 24px rgba(23,27,36,.06);
  --shadow-2:0 18px 44px rgba(255,90,44,.16);
  --shadow-nav:0 10px 30px rgba(0,0,0,.08);
  --section-pad:clamp(72px,8vw,128px);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--page-bg);
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--safe-teal);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,90,44,.22);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  transition:background .32s ease,box-shadow .32s ease,border-color .32s ease;
  background:rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.15);
  box-shadow:0 4px 20px rgba(0,0,0,.10);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:rgba(0,0,0,.06);
  box-shadow:var(--shadow-nav);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:72px;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--brand-grad);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(255,90,44,.28);
}
.logo-mark svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:15px;font-weight:750;letter-spacing:.2px;color:#fff;transition:color .3s ease;}
.logo-text small{font-size:11px;letter-spacing:1.2px;color:rgba(255,255,255,.66);transition:color .3s ease;}
.site-header.is-scrolled .logo-text strong{color:var(--ink);}
.site-header.is-scrolled .logo-text small{color:var(--text-mute);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.82);
  border-radius:var(--radius-pill);
  transition:color .24s ease,background .24s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:var(--radius-pill);
  background:var(--brand-grad);transition:transform .26s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.12);}
.main-nav a:hover::after,.main-nav a.active::after{transform:translateX(-50%) scaleX(1);}
.main-nav a.active{color:#fff;font-weight:650;}
.site-header.is-scrolled .main-nav a{color:var(--text-soft);}
.site-header.is-scrolled .main-nav a:hover{color:var(--ink);background:rgba(255,90,44,.08);}
.site-header.is-scrolled .main-nav a.active{color:var(--brand-orange);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-pill);
  background:var(--brand-grad);color:#fff;font-size:15px;font-weight:650;
  box-shadow:0 10px 22px rgba(255,90,44,.28);
  transition:transform .24s ease,box-shadow .24s ease;
  white-space:nowrap;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,44,.36);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);
}
.nav-toggle span{width:19px;height:2px;border-radius:2px;background:#fff;transition:.28s ease;}
.site-header.is-scrolled .nav-toggle{background:rgba(13,18,32,.05);border-color:var(--border-strong);}
.site-header.is-scrolled .nav-toggle span{background:var(--ink);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  min-height:45vh;
  display:flex;align-items:flex-end;
  padding:150px 0 56px;
  background:#0D1220 url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,18,32,.72) 0%,rgba(13,18,32,.84) 60%,rgba(13,18,32,.92) 100%);
}
.cat-hero::after{
  content:"";position:absolute;
  right:-10%;top:-30%;width:60vw;height:60vw;max-width:760px;max-height:760px;
  background:radial-gradient(circle at center,rgba(255,155,68,.34) 0%,rgba(255,90,44,.14) 42%,rgba(255,90,44,0) 70%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumbs{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.76);
  margin-bottom:22px;
}
.breadcrumbs a{color:rgba(255,255,255,.86);}
.breadcrumbs a:hover{color:var(--brand-gold);}
.breadcrumbs .sep{opacity:.5;}
.breadcrumbs .current{color:var(--brand-gold);font-weight:600;}
.cat-hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:end;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;color:var(--brand-gold);
  margin-bottom:14px;font-weight:600;
}
.hero-eyebrow i{font-size:12px;}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.24;
  font-weight:750;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.cat-hero p.lead{
  max-width:620px;
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
}
.hero-badges{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;
}
.badge-cell{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-radius:var(--radius);
  padding:18px 16px;
  text-align:left;
}
.badge-cell .num{
  font-size:28px;font-weight:750;letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;line-height:1.2;
}
.badge-cell .lbl{font-size:13px;color:rgba(255,255,255,.72);margin-top:4px;display:block;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-pad) 0;}
.section.alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--radius-pill);
  background:rgba(255,90,44,.09);
  color:var(--brand-orange);
  font-size:13px;font-weight:650;letter-spacing:.6px;
  margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:750;line-height:1.3;letter-spacing:-.4px;
  color:var(--ink);
  margin-bottom:16px;
}
.section-head p{color:var(--text-soft);font-size:16.5px;}

/* 交替图文区块 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center;}
.split + .split{margin-top:clamp(56px,7vw,104px);}
.split.reverse .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border:1px solid var(--border);
  background:#fff;
}
.split-media img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .6s ease;}
.split-media:hover img{transform:scale(1.035);}
.split-media .media-tag{
  position:absolute;left:18px;top:18px;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(13,18,32,.62);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:#fff;font-size:12.5px;letter-spacing:.6px;
}
.split-body h3{
  font-size:clamp(21px,2.2vw,27px);
  font-weight:750;color:var(--ink);line-height:1.35;
  margin-bottom:16px;letter-spacing:-.3px;
}
.split-body p{color:var(--text-soft);margin-bottom:20px;}
.check-list{display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  box-shadow:0 2px 10px rgba(23,27,36,.03);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.check-list li:hover{transform:translateX(4px);border-color:rgba(255,90,44,.28);box-shadow:0 10px 22px rgba(255,90,44,.10);}
.check-list i{
  flex:0 0 26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;color:#fff;
  background:var(--brand-grad);margin-top:3px;
}
.check-list .cl-txt strong{display:block;font-size:15.5px;color:var(--ink);font-weight:650;margin-bottom:2px;}
.check-list .cl-txt span{font-size:14.5px;color:var(--text-soft);line-height:1.7;}

/* 步骤时间线 */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:35px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(255,90,44,.5),rgba(255,184,75,.35),rgba(255,90,44,0));
}
.tl-item{position:relative;display:flex;gap:26px;padding:0 0 34px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-index{
  flex:0 0 70px;height:70px;border-radius:22px;
  background:#fff;border:1px solid var(--border);
  display:grid;place-items:center;
  font-size:26px;font-weight:750;font-variant-numeric:tabular-nums;
  color:var(--brand-orange);
  box-shadow:var(--shadow-1);z-index:2;
}
.tl-card{
  flex:1;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(255,90,44,.13);}
.tl-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.tl-card p{color:var(--text-soft);font-size:15.5px;margin-bottom:10px;}
.tl-card .gain{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--brand-orange);font-weight:600;
  background:rgba(255,90,44,.08);
  padding:5px 12px;border-radius:var(--radius-pill);
}

/* 中段轻量横幅 */
.mid-banner{
  margin:0 auto;
  max-width:1200px;
  padding:0 24px;
}
.mid-banner-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
  padding:26px 32px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,90,44,.10) 0%,rgba(255,184,75,.14) 100%);
  border:1px solid rgba(255,90,44,.18);
}
.mid-banner-inner .mb-txt strong{display:block;font-size:18px;color:var(--ink);font-weight:700;margin-bottom:4px;}
.mid-banner-inner .mb-txt span{font-size:14.5px;color:var(--text-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:13px 26px;
  border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:650;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 26px rgba(255,90,44,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,44,.36);}
.btn-ghost{border:1px solid var(--border-strong);color:var(--ink);background:#fff;}
.btn-ghost:hover{border-color:var(--brand-orange);color:var(--brand-orange);transform:translateY(-2px);}
.btn-line{border:1.5px solid rgba(255,90,44,.55);color:var(--brand-orange);background:transparent;}
.btn-line:hover{background:var(--brand-grad);color:#fff;border-color:transparent;transform:translateY(-2px);}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  padding:34px;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
}
.stat-item .st-num{
  font-size:clamp(24px,3vw,34px);font-weight:750;letter-spacing:-.6px;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;line-height:1.25;
}
.stat-item .st-lbl{font-size:14px;color:var(--text-soft);margin-top:2px;}
.stat-item .st-bar{
  height:6px;border-radius:var(--radius-pill);background:rgba(13,18,32,.07);
  margin-top:12px;overflow:hidden;
}
.stat-item .st-bar i{display:block;height:100%;border-radius:var(--radius-pill);background:var(--brand-grad);}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.faq-item{
  background:#fff;border:1px solid var(--border);
  border-left:3px solid transparent;
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .26s ease,box-shadow .26s ease;
}
.faq-item.open{border-left-color:var(--brand-orange);box-shadow:0 14px 30px rgba(255,90,44,.10);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
}
.faq-q h3{font-size:16.5px;font-weight:650;color:var(--ink);line-height:1.6;}
.faq-icon{
  flex:0 0 26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,90,44,.10);color:var(--brand-orange);
  font-size:13px;transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-item.open .faq-icon{background:var(--brand-grad);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 22px 22px;color:var(--text-soft);font-size:15px;line-height:1.9;}

/* 收尾 CTA */
.final-cta{padding:0 0 var(--section-pad);}
.final-cta-inner{
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  padding:clamp(32px,5vw,56px);
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  background:#fff;
}
.final-cta-inner .fc-txt{max-width:640px;}
.final-cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:750;color:var(--ink);margin-bottom:10px;line-height:1.35;}
.final-cta-inner p{color:var(--text-soft);font-size:15.5px;}
.fc-note{font-size:13.5px;color:var(--text-mute);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F0EEF3;border-top:1px solid var(--border);position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand-grad);
}
.footer-top{
  display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand h4{font-size:17px;font-weight:750;color:var(--ink);margin-bottom:12px;}
.footer-brand p{font-size:14.5px;color:var(--text-soft);line-height:1.9;}
.footer-title{font-size:14px;font-weight:650;color:var(--ink);margin-bottom:16px;letter-spacing:.4px;}
.footer-nav{display:grid;gap:10px;}
.footer-nav a{font-size:14.5px;color:var(--text-soft);transition:color .22s ease,padding-left .22s ease;}
.footer-nav a:hover{color:var(--brand-orange);padding-left:5px;}
.footer-note{font-size:14px;color:var(--text-soft);line-height:1.9;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 30px;
  border-top:1px solid rgba(13,18,32,.08);
  font-size:13.5px;color:var(--text-mute);
}

/* ---------- 响应式 ---------- */
@media (max-width:1099px){
  .nav-wrap{gap:14px;}
  .main-nav{gap:2px;}
  .main-nav a{padding:8px 10px;font-size:14.5px;}
  .header-cta{padding:10px 16px;font-size:14.5px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-badges{max-width:640px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:flex-start;gap:4px;
    position:fixed;inset:72px 0 0 0;
    padding:28px 24px;
    background:rgba(13,18,32,.92);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    overflow-y:auto;
  }
  .main-nav.is-open a{
    width:100%;font-size:18px;padding:15px 16px;
    color:rgba(255,255,255,.86);
    border-bottom:1px solid rgba(255,255,255,.08);
    border-radius:10px;
  }
  .main-nav.is-open a::after{display:none;}
  .main-nav.is-open a.active{color:var(--brand-gold);}
  .split{grid-template-columns:1fr;gap:26px;}
  .split.reverse .split-media{order:0;}
  .faq-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:26px;}
}
@media (min-width:640px) and (max-width:1099px){
  .check-list{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .cat-hero{padding:126px 0 44px;min-height:auto;}
  .hero-badges{grid-template-columns:1fr;gap:12px;}
  .badge-cell{display:flex;align-items:baseline;gap:10px;}
  .badge-cell .num{font-size:24px;}
  .tl-item{gap:16px;}
  .tl-index{flex:0 0 54px;height:54px;border-radius:18px;font-size:20px;}
  .timeline::before{left:27px;}
  .mid-banner-inner{padding:22px;flex-direction:column;align-items:flex-start;}
  .mid-banner-inner .btn{width:100%;}
  .final-cta-inner{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .final-cta-inner .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .stat-strip{grid-template-columns:1fr;padding:22px;}
  .section-head{margin-bottom:36px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --orange:#FF5A2C;
  --gold:#FFB84B;
  --mint:#1DC8A3;
  --indigo:#5260FF;
  --ink:#0D1220;
  --page:#F5F4F7;
  --card:#FFFFFF;
  --text:#242A3A;
  --muted:#71788A;
  --line:rgba(13,18,32,.09);
  --grad:linear-gradient(135deg,#FF5A2C 0%,#FF9B44 55%,#FFB84B 100%);
  --glass:rgba(255,255,255,.15);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px rgba(23,27,36,.06);
  --shadow-hover:0 16px 38px rgba(255,90,44,.16);
  --shadow-nav:0 6px 24px rgba(0,0,0,.08);
  --section-pad:clamp(72px,8vw,128px);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{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(--text);
  background:var(--page);
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.28;color:var(--ink);letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--mint);outline-offset:2px;}
.container{width:min(1200px,92%);margin:0 auto;}
.is-hidden{display:none !important;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.15);
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  border-bottom:1px solid rgba(0,0,0,.06);
  box-shadow:var(--shadow-nav);
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad);
  box-shadow:0 6px 16px rgba(255,90,44,.28);
  flex-shrink:0;
}
.logo-mark svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{
  font-size:15px;font-weight:800;letter-spacing:.4px;color:#fff;
  transition:color .3s ease;
}
.logo-text small{font-size:11px;color:rgba(255,255,255,.68);letter-spacing:.6px;transition:color .3s ease;}
.site-header.scrolled .logo-text strong{color:var(--ink);}
.site-header.scrolled .logo-text small{color:var(--muted);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{
  position:relative;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.82);
  padding:6px 2px;
  transition:color .25s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;left:50%;bottom:-4px;
  width:0;height:3px;border-radius:999px;
  background:var(--grad);
  transform:translateX(-50%);
  transition:width .25s ease;
}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after{width:18px;}
.main-nav a.active{color:#fff;font-weight:700;}
.main-nav a.active::after{width:18px;}
.site-header.scrolled .main-nav a{color:#3A4152;}
.site-header.scrolled .main-nav a:hover,.site-header.scrolled .main-nav a.active{color:var(--orange);}
.header-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;
  border-radius:var(--radius-sm);
  background:var(--grad);
  color:#fff;font-size:14px;font-weight:700;letter-spacing:.3px;
  box-shadow:0 8px 20px rgba(255,90,44,.28);
  transition:transform .25s ease, box-shadow .25s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,44,.36);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  flex-direction:column;justify-content:center;gap:5px;
  padding:0 11px;
  border-radius:12px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);
  z-index:130;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#fff;transition:transform .3s ease,opacity .3s ease;}
.site-header.scrolled .nav-toggle{background:rgba(13,18,32,.06);border-color:rgba(13,18,32,.1);}
.site-header.scrolled .nav-toggle span{background:var(--ink);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  min-height:45vh;
  padding:150px 0 64px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,18,32,.86) 0%,rgba(13,18,32,.74) 55%,rgba(13,18,32,.9) 100%);
  z-index:-1;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:640px;height:640px;
  right:-160px;top:-220px;
  background:radial-gradient(circle,rgba(255,155,68,.34) 0%,rgba(255,90,44,.12) 45%,transparent 72%);
  z-index:-1;
  pointer-events:none;
}
.page-hero .container{
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:clamp(28px,5vw,64px);
  align-items:center;
}
.breadcrumb{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(255,255,255,.78);
  margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(32px,4.6vw,56px);
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:20px;
}
.page-hero h1 .hl{
  display:inline-block;
  position:relative;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero h1 .hl::after{
  content:"";
  position:absolute;left:0;right:0;bottom:2px;
  height:8px;border-radius:6px;
  background:linear-gradient(90deg,rgba(255,90,44,.5),rgba(255,184,75,.16));
  z-index:-1;
}
.hero-lead{
  color:rgba(255,255,255,.78);
  font-size:clamp(15px,1.3vw,17px);
  line-height:1.85;
  max-width:60ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:50px;padding:0 28px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.3px;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 28px rgba(255,90,44,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(255,90,44,.4);}
.btn-ghost{
  color:#fff;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px);}
.btn-outline{
  color:var(--orange);
  border:1px solid rgba(255,90,44,.42);
  background:rgba(255,90,44,.06);
}
.btn-outline:hover{background:rgba(255,90,44,.12);transform:translateY(-3px);}
.btn-note{
  width:100%;
  font-size:12.5px;
  color:rgba(255,255,255,.6);
  margin-top:12px;
}
.hero-stats{
  display:flex;
  flex-direction:column;
  gap:14px;
  justify-self:end;
  width:100%;
  max-width:340px;
}
.stat-badge{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:16px 20px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.stat-badge .num{
  font-size:24px;
  font-weight:800;
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-badge .label{font-size:13.5px;color:rgba(255,255,255,.8);text-align:right;line-height:1.5;}

/* ---------- Section base ---------- */
.section{padding:var(--section-pad) 0;}
.section.tight{padding:clamp(56px,6vw,88px) 0;}
.section-head{max-width:760px;margin-bottom:clamp(36px,4vw,56px);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,90,44,.09);
  color:var(--orange);
  font-size:13px;font-weight:700;letter-spacing:.5px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}
.section-head h2{font-size:clamp(26px,3vw,40px);margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- Timeline ---------- */
.timeline{
  display:flex;
  flex-direction:column;
  gap:0;
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:clamp(24px,3vw,44px);
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
}
.timeline-item{
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:22px;
  padding:22px 0;
  border-bottom:1px dashed rgba(13,18,32,.1);
  align-items:flex-start;
}
.timeline-item:last-child{border-bottom:0;padding-bottom:6px;}
.timeline-item:first-child{padding-top:6px;}
.timeline-index{
  font-size:30px;
  font-weight:800;
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.2;
}
.timeline-body h3{font-size:clamp(18px,1.8vw,22px);margin-bottom:8px;}
.timeline-body p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(255,90,44,.09);
  color:var(--orange);
  letter-spacing:.3px;
}
.tag.gold{background:rgba(255,184,75,.18);color:#B8761A;}
.tag.mint{background:rgba(29,200,163,.13);color:#128C72;}

/* ---------- Split blocks ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,5vw,72px);
  align-items:center;
}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  background:var(--card);
}
.split-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-body h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:18px;}
.split-body p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:15.5px;
  color:var(--text);
  line-height:1.75;
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:8px;
  width:16px;height:16px;
  border-radius:50%;
  background:rgba(29,200,163,.16);
  border:1px solid rgba(29,200,163,.45);
}
.check-list li::after{
  content:"";
  position:absolute;left:5px;top:12px;
  width:6px;height:3px;
  border-left:1.6px solid #128C72;
  border-bottom:1.6px solid #128C72;
  transform:rotate(-45deg);
}

/* ---------- Mid banner ---------- */
.mid-banner{
  margin:0 auto;
  width:min(1200px,92%);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:26px clamp(22px,3vw,38px);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.72);
  border:1px solid rgba(255,90,44,.2);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.mid-banner .mb-text h3{font-size:clamp(18px,1.9vw,22px);margin-bottom:6px;}
.mid-banner .mb-text p{color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-item.open{border-left:1px solid var(--orange);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  line-height:1.6;
}
.faq-q .icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,90,44,.1);
  color:var(--orange);
  font-size:16px;
  font-weight:700;
  transition:background .25s ease, color .25s ease, transform .25s ease;
}
.faq-item.open .faq-q .icon{background:var(--grad);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{
  padding:0 22px 20px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}

/* ---------- CTA end ---------- */
.cta-end{
  width:min(1200px,92%);
  margin:0 auto;
  padding:clamp(34px,4vw,54px) clamp(24px,4vw,52px);
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,90,44,.3);
  background:rgba(255,255,255,.6);
  text-align:center;
}
.cta-end h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.cta-end p{color:var(--muted);font-size:15.5px;max-width:62ch;margin:0 auto 24px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:clamp(72px,8vw,110px);
  background:#EFEEF2;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;
  height:3px;
  background:var(--grad);
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.3fr;
  gap:clamp(24px,4vw,56px);
  padding:clamp(44px,5vw,64px) 0 40px;
}
.footer-brand h4{font-size:17px;font-weight:800;margin-bottom:14px;color:var(--ink);}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-title{font-size:14.5px;font-weight:800;color:var(--ink);margin-bottom:14px;letter-spacing:.4px;}
.footer-nav{display:flex;flex-direction:column;gap:10px;}
.footer-nav a{font-size:14px;color:var(--muted);transition:color .25s ease,transform .25s ease;display:inline-block;}
.footer-nav a:hover{color:var(--orange);transform:translateX(3px);}
.footer-note{font-size:13.5px;color:var(--muted);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(13,18,32,.08);
  padding:20px 0 30px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:#8A90A0;
}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav{gap:18px;}
  .main-nav a{font-size:14px;}
}
@media (max-width:960px){
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .main-nav{
    position:fixed;
    inset:0;
    margin-left:0;
    flex-direction:column;
    justify-content:center;
    gap:26px;
    background:rgba(13,18,32,.92);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    transform:translateY(-100%);
    opacity:0;
    pointer-events:none;
    transition:transform .35s ease, opacity .3s ease;
    z-index:120;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav a{font-size:20px;color:rgba(255,255,255,.86);}
  .main-nav a.active{color:var(--gold);}
  .main-nav a.active::after{width:26px;}
  .page-hero{padding:130px 0 56px;}
  .page-hero .container{grid-template-columns:1fr;}
  .hero-stats{justify-self:stretch;max-width:none;flex-direction:row;flex-wrap:wrap;}
  .stat-badge{flex:1 1 200px;}
  .split{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  .nav-wrap{height:64px;}
  .logo-text strong{font-size:13.5px;}
  .logo-text small{display:none;}
  .page-hero{padding:112px 0 46px;min-height:auto;}
  .hero-stats{flex-direction:column;}
  .hero-actions{gap:12px;}
  .btn{width:100%;height:52px;}
  .hero-actions .btn{width:100%;}
  .timeline{padding:20px;}
  .timeline-item{grid-template-columns:52px minmax(0,1fr);gap:16px;}
  .timeline-index{font-size:24px;}
  .mid-banner{flex-direction:column;align-items:flex-start;}
  .mid-banner .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --orange:#FF5A2C;
  --gold:#FFB84B;
  --cyan:#1DC8A3;
  --indigo:#5260FF;
  --ink:#0D1220;
  --bg:#F5F4F7;
  --card:#FFFFFF;
  --text:#171B24;
  --text-2:#4A5164;
  --text-3:#7C8598;
  --line:rgba(23,27,36,0.08);
  --line-strong:rgba(23,27,36,0.14);
  --grad:linear-gradient(135deg,#FF5A2C 0%,#FF9B44 55%,#FFB84B 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,90,44,0.12) 0%,rgba(255,184,75,0.12) 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,27,36,0.06);
  --sh-2:0 16px 36px rgba(255,90,44,0.16);
  --sh-3:0 10px 26px rgba(0,0,0,0.08);
  --sec-pad:clamp(72px,8vw,128px);
  --nav-h:72px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:750;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
:focus-visible{
  outline:3px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:100;
  background:rgba(255,255,255,0.13);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,0.15);
  box-shadow:0 6px 22px rgba(0,0,0,0.12);
  transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,0.92);
  border-bottom-color:rgba(0,0,0,0.06);
  box-shadow:0 8px 26px rgba(0,0,0,0.08);
}
.nav-wrap{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:22px;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.logo-mark{
  width:40px;height:40px;
  border-radius:13px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,44,0.32);
}
.logo-mark svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{
  font-size:16px;
  font-weight:750;
  color:#fff;
  letter-spacing:-0.02em;
  transition:color .35s ease;
}
.logo-text small{
  font-size:11px;
  color:rgba(255,255,255,0.68);
  letter-spacing:0.03em;
  transition:color .35s ease;
}
.site-header.scrolled .logo-text strong{color:var(--ink);}
.site-header.scrolled .logo-text small{color:var(--text-3);}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  padding:9px 15px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,0.82);
  transition:color .25s ease,background .25s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,0.14);}
.main-nav a.active{color:#fff;font-weight:700;}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  transform:translateX(-50%);
  width:18px;height:3px;
  border-radius:var(--r-pill);
  background:var(--grad);
}
.site-header.scrolled .main-nav a{color:var(--text-2);}
.site-header.scrolled .main-nav a:hover{color:var(--ink);background:rgba(13,18,32,0.06);}
.site-header.scrolled .main-nav a.active{color:var(--orange);}
.header-cta{
  flex-shrink:0;
  padding:11px 20px;
  border-radius:var(--r-btn);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:0 8px 20px rgba(255,90,44,0.3);
  transition:transform .25s ease,box-shadow .25s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,44,0.4);}
.header-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:rgba(255,255,255,0.14);
  border:1px solid rgba(255,255,255,0.2);
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  border-radius:2px;
  background:#fff;
  transition:background .3s ease,transform .3s ease,opacity .3s ease;
}
.site-header.scrolled .nav-toggle{background:rgba(13,18,32,0.06);border-color:rgba(13,18,32,0.1);}
.site-header.scrolled .nav-toggle span{background:var(--ink);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,0.72);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,0.86);border-bottom:1px dashed rgba(255,255,255,0.35);}
.crumb a:hover{color:#fff;}
.crumb span.dot{opacity:.55;}
/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  min-height:45vh;
  padding:calc(var(--nav-h) + 54px) 0 60px;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  background-color:var(--ink);
  overflow:hidden;
  color:#fff;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,18,32,0.86) 0%,rgba(13,18,32,0.72) 45%,rgba(13,18,32,0.9) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  width:640px;height:640px;
  right:-180px;top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,155,68,0.42) 0%,rgba(255,90,44,0.12) 45%,rgba(255,90,44,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.35fr 0.9fr;
  gap:48px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,0.14);
  border:1px solid rgba(255,255,255,0.2);
  font-size:13px;
  letter-spacing:0.06em;
  color:rgba(255,255,255,0.9);
  margin-bottom:20px;
}
.hero-tag i{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(29,200,163,0.22);
  font-style:normal;
}
.page-hero h1{
  font-size:clamp(34px,4.6vw,56px);
  font-weight:750;
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  max-width:560px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,0.8);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:700;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,44,0.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,44,0.44);}
.btn-ghost{
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.3);
  color:#fff;
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,0.2);transform:translateY(-2px);}
.btn-line{
  background:transparent;
  border:1.5px solid var(--orange);
  color:var(--orange);
}
.btn-line:hover{background:var(--orange);color:#fff;transform:translateY(-2px);}
.badge-wall{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.badge{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 20px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,0.13);
  border:1px solid rgba(255,255,255,0.2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.badge-icon{
  width:42px;height:42px;
  flex-shrink:0;
  border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.16);
  font-size:18px;
}
.badge-num{
  font-size:24px;
  font-weight:750;
  font-variant-numeric:tabular-nums;
  letter-spacing:0.02em;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.badge-label{
  font-size:13px;
  color:rgba(255,255,255,0.72);
  letter-spacing:0.02em;
}
/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#fff;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-kicker{
  display:inline-block;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--grad-soft);
  color:var(--orange);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.08em;
  margin-bottom:16px;
}
.sec-head h2{
  font-size:clamp(28px,3vw,40px);
  margin-bottom:16px;
}
.sec-head p{color:var(--text-2);font-size:16.5px;}
/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat-item{
  padding:26px 24px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none;}
.stat-item strong{
  display:block;
  font-size:26px;
  font-weight:750;
  font-variant-numeric:tabular-nums;
  color:var(--orange);
  letter-spacing:0.02em;
  margin-bottom:6px;
}
.stat-item span{font-size:14px;color:var(--text-3);}
/* ---------- 交替图文 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,5vw,68px);
  align-items:center;
}
.split + .split{margin-top:clamp(56px,6vw,92px);}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  position:relative;
  aspect-ratio:4/3;
  background:#E7E6EB;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-media .media-chip{
  position:absolute;
  left:18px;top:18px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(13,18,32,0.6);
  color:#fff;
  font-size:12.5px;
  letter-spacing:0.04em;
  backdrop-filter:blur(8px);
}
.split-body h2{
  font-size:clamp(24px,2.5vw,32px);
  margin-bottom:18px;
}
.split-body p{color:var(--text-2);font-size:16.5px;margin-bottom:18px;}
.check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  color:var(--text-2);
  font-size:16px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:14px;height:8px;
  border-left:2.5px solid var(--cyan);
  border-bottom:2.5px solid var(--cyan);
  transform:rotate(-45deg);
  border-radius:1px;
}
/* ---------- 时间线 ---------- */
.timeline{
  display:grid;
  gap:18px;
  max-width:860px;
}
.tl-item{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:24px;
  align-items:flex-start;
  padding:26px 28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tl-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,90,44,0.24);
}
.tl-num{
  font-size:30px;
  font-weight:750;
  font-variant-numeric:tabular-nums;
  line-height:1;
  padding-top:4px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.tl-item h3{font-size:19px;margin-bottom:10px;}
.tl-item p{color:var(--text-2);font-size:15.5px;}
.tl-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(29,200,163,0.1);
  color:#12866C;
  font-size:12.5px;
}
/* ---------- 中段轻量横幅 ---------- */
.inline-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:30px 34px;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(13,18,32,0.96) 0%,rgba(28,24,44,0.96) 100%);
  color:#fff;
  box-shadow:var(--sh-3);
  position:relative;
  overflow:hidden;
}
.inline-cta::after{
  content:"";
  position:absolute;
  width:360px;height:360px;
  right:-120px;bottom:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,155,68,0.34) 0%,rgba(255,90,44,0) 68%);
}
.inline-cta div{position:relative;z-index:2;}
.inline-cta h3{font-size:22px;margin-bottom:8px;}
.inline-cta p{color:rgba(255,255,255,0.72);font-size:15px;}
/* ---------- 风险清单 ---------- */
.risk-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.risk-card{
  display:flex;
  gap:18px;
  padding:26px 28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.risk-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(23,27,36,0.1);}
.risk-mark{
  width:44px;height:44px;
  flex-shrink:0;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,44,0.1);
  color:var(--orange);
  font-weight:750;
  font-size:17px;
}
.risk-card h3{font-size:17.5px;margin-bottom:8px;}
.risk-card p{font-size:15px;color:var(--text-2);}
.risk-tip{
  margin-top:28px;
  padding:22px 26px;
  border-left:4px solid var(--gold);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(255,184,75,0.1);
  color:#7A5410;
  font-size:15.5px;
}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.open{
  border-left:3px solid var(--orange);
  box-shadow:var(--sh-1);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px;
  text-align:left;
}
.faq-q h3{font-size:17.5px;font-weight:700;}
.faq-icon{
  width:30px;height:30px;
  flex-shrink:0;
  border-radius:10px;
  background:var(--grad-soft);
  color:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  font-weight:700;
  line-height:1;
  transition:background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{background:var(--grad);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-a p{
  padding:0 26px 24px;
  color:var(--text-2);
  font-size:15.5px;
}
/* ---------- 收尾 CTA ---------- */
.end-cta{
  text-align:center;
  padding:clamp(46px,6vw,66px) 32px;
  border:1.5px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:#fff;
}
.end-cta h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.end-cta p{color:var(--text-2);max-width:600px;margin:0 auto 26px;}
.end-note{margin-top:16px;font-size:13.5px;color:var(--text-3);}
/* ---------- 页脚 ---------- */
.site-footer{
  background:#EFEEF2;
  border-top:3px solid transparent;
  border-image:var(--grad) 1;
  padding-top:60px;
  margin-top:0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:44px;
}
.footer-brand h4{font-size:18px;margin-bottom:14px;}
.footer-brand p{font-size:14.5px;color:var(--text-2);line-height:1.9;}
.footer-title{
  font-size:15px;
  font-weight:750;
  margin-bottom:16px;
}
.footer-nav{display:flex;flex-direction:column;gap:10px;}
.footer-nav a{
  font-size:14.5px;
  color:var(--text-2);
  transition:color .25s ease,padding-left .25s ease;
}
.footer-nav a:hover{color:var(--orange);padding-left:5px;}
.footer-note{font-size:14px;color:var(--text-2);line-height:1.9;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding:22px 0 28px;
  border-top:1px solid rgba(23,27,36,0.1);
  font-size:13.5px;
  color:var(--text-3);
}
/* ---------- 响应式 ---------- */
@media (max-width:1099px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .badge-wall{flex-direction:row;flex-wrap:wrap;}
  .badge{flex:1 1 210px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;
    inset:var(--nav-h) 0 0 0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:26px 24px 40px;
    background:rgba(13,18,32,0.86);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
    overflow-y:auto;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .main-nav a{
    padding:15px 18px;
    border-radius:var(--r-btn);
    font-size:16.5px;
    color:#fff;
    background:rgba(255,255,255,0.06);
  }
  .main-nav a.active{color:var(--gold);}
  .main-nav a.active::after{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-cta{display:none;}
  .split{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .split.reverse .split-body{order:0;}
  .risk-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  .logo-text strong{font-size:14px;}
  .logo-text small{font-size:10px;}
  .page-hero{padding:calc(var(--nav-h) + 38px) 0 46px;}
  .tl-item{grid-template-columns:1fr;gap:12px;padding:22px 20px;}
  .tl-num{font-size:24px;padding-top:0;}
  .inline-cta{padding:24px 20px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .stat-bar{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:none;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .risk-card{flex-direction:column;gap:14px;}
  .faq-q{padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
}