/* roulang page: index */
:root {
  --brand-red: #A61B2F;
  --red-deep: #6E1020;
  --red-dark: #4A0E18;
  --ink: #1F1A18;
  --cream: #F5F0EA;
  --surface: #FFFFFF;
  --surface-warm: #FBF8F4;
  --line: #E1D8CF;
  --gold: #B0854E;
  --green: #2F7D4F;
  --muted: #756F6A;
  --shadow-sm: 0 1px 3px rgba(31,26,24,0.05);
  --shadow-card: 0 18px 40px -20px rgba(70,20,20,0.32);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --container: 1200px;
  --header-height: 72px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, Georgia, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

:where(a, button, input, details, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.section {
  padding-block: clamp(56px, 8vw, 112px);
}

.section.soft {
  background: var(--cream);
}

.section.paper {
  background: var(--surface);
}

.section-head {
  max-width: 760px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--brand-red);
  letter-spacing: .14em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.section-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.section-lead {
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
  max-width: 680px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-xs);
  min-height: 46px;
  padding: 0 26px;
  font-weight: 700;
  font-size: 15px;
  transition: background .25s ease, transform .2s ease, box-shadow .25s ease, color .25s, border-color .25s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(.97);
}

.btn-primary {
  background: var(--brand-red);
  color: #fff;
  box-shadow: 0 12px 28px -14px rgba(166,27,47,.72);
}

.btn-primary:hover {
  background: var(--red-deep);
  box-shadow: 0 16px 34px -14px rgba(110,16,32,.8);
}

.btn-outline {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.28);
  color: #fff;
}

.btn-outline:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.14);
  color: #fff;
}

.btn-bright {
  background: var(--surface);
  color: var(--brand-red);
  box-shadow: var(--shadow-sm);
}

.btn-bright:hover {
  background: var(--surface-warm);
  color: var(--red-deep);
  box-shadow: var(--shadow-card);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(250,248,245,.55);
  border-bottom: 1px solid rgba(160,27,47,.22);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background .35s ease, box-shadow .35s ease;
}

.site-header.scrolled {
  background: rgba(250,248,245,.94);
  box-shadow: 0 12px 30px -28px rgba(90,20,20,.7);
}

.nav-wrap {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  height: var(--header-height);
  gap: 10px;
  flex-shrink: 0;
  letter-spacing: .02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand-red), var(--red-deep));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  font-family: var(--font-serif);
  box-shadow: 0 6px 16px -7px rgba(110,16,32,.6);
}

.brand-text {
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  line-height: 1.2;
}

.brand-text small {
  display: block;
  font-size: 11px;
  color: var(--brand-red);
  letter-spacing: .12em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 15px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  transition: color .2s ease;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 8px;
  height: 2px;
  background: var(--brand-red);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}

.nav-link:hover {
  color: var(--brand-red);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  min-height: 40px;
  padding-inline: 20px;
  font-size: 14px;
  background: var(--brand-red);
  color: #fff;
  border-radius: 40px;
}

.nav-cta:hover {
  background: var(--red-deep);
  color: #fff;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

/* Hero */
.hero {
  min-height: 90vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--header-height) + 28px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(100,12,26,.96) 0%, rgba(166,27,47,.85) 45%, rgba(31,26,24,.88) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding-block: 46px;
}

.hero-eyebrow {
  color: #f4d9a6;
  font-size: 13px;
  letter-spacing: .16em;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.hero-eyebrow::before {
  content: "◆";
  font-size: 11px;
  color: var(--gold);
}

.hero-copy h1 {
  color: #fff;
  font-family: var(--font-serif);
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-shadow: 0 6px 40px rgba(0,0,0,.2);
}

.hero-sub {
  color: rgba(255,255,255,.88);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  margin-top: 24px;
  max-width: 590px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.hero-note {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  color: rgba(255,255,255,.78);
  font-size: 13px;
}

.hero-note span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hook-gold {
  color: #EACB93;
}

/* Hero login card */
.login-card {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 28px;
  position: relative;
  color: var(--ink);
  box-shadow: 0 34px 70px -32px rgba(0,0,0,.5);
}

.login-card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(176,133,78,.4);
  border-radius: var(--radius-xs);
  pointer-events: none;
}

.login-card-inner {
  position: relative;
  z-index: 1;
}

.login-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.login-card-head strong {
  font-size: 18px;
}

.login-tabs {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.login-tabs span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--brand-red);
  font-weight: 700;
}

.field-group {
  margin-bottom: 14px;
}

.field-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 7px;
  color: var(--muted);
}

.input-sim {
  display: flex;
  align-items: center;
  height: 44px;
  background: var(--surface-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  padding: 0 14px;
  font-size: 14px;
  color: var(--muted);
  gap: 8px;
}

.input-sim i {
  font-style: normal;
  color: var(--brand-red);
  font-size: 15px;
}

.login-demo-btn {
  width: 100%;
  min-height: 46px;
  background: var(--brand-red);
  border-radius: var(--radius-xs);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  transition: background .25s, transform .15s ease;
  margin-top: 6px;
}

.login-demo-btn:hover {
  background: var(--red-deep);
}

.login-demo-btn:active {
  transform: scale(.99);
}

.login-alt {
  display: grid;
  grid-template-columns: 1fr 112px;
  gap: 18px;
  align-items: center;
  margin-top: 20px;
}

.login-alt-text {
  font-size: 13px;
  color: var(--muted);
}

.login-alt-text strong {
  color: var(--ink);
  display: block;
  margin-bottom: 4px;
}

.qr-svg {
  width: 112px;
  height: 112px;
  padding: 5px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.login-alt-badge {
  font-size: 13px;
  color: var(--green);
  display: inline-flex;
  gap: 6px;
  align-items: center;
  margin-top: 16px;
  font-weight: 700;
}

/* Trust strip */
.trust-band {
  border-block: 1px solid var(--line);
  background: var(--surface-warm);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  padding: 28px 30px;
  border-right: 1px solid rgba(225,216,207,.8);
  position: relative;
}

.trust-item:last-child {
  border-right: none;
}

.trust-item b {
  display: block;
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--red-deep);
  line-height: 1.3;
}

.trust-item span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.trust-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
}

/* Section utility */
.tool-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.tool-row {
  display: grid;
  grid-template-columns: 112px 1fr 60px;
  gap: 28px;
  align-items: center;
  padding: 40px 24px 40px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .3s ease, background .3s ease;
  border-radius: var(--radius-sm);
}

.tool-row strong.tool-index {
  font-family: var(--font-serif);
  font-size: 44px;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  letter-spacing: .02em;
  line-height: 1;
}

.tool-row h3 {
  font-size: 23px;
  font-family: var(--font-serif);
  margin-bottom: 8px;
  color: var(--ink);
}

.tool-row p {
  color: var(--muted);
  max-width: 660px;
  font-size: 15px;
}

.tool-arrow {
  justify-self: center;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-red);
  transition: .3s ease;
  transform: rotate(-45deg);
}

.tool-row:hover {
  padding-left: 18px;
  background: rgba(255,255,255,.28);
}

.tool-row:hover .tool-arrow {
  background: var(--brand-red);
  color: #fff;
  border-color: var(--brand-red);
}

/* Carousel/shots */
.shot-shell {
  position: relative;
}

.shot-viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 10px 4px 28px;
}

.shot-viewport::-webkit-scrollbar {
  display: none;
}

.shot-track {
  display: flex;
  gap: 26px;
  width: max-content;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}

.shot-slide {
  flex: 0 0 72%;
  scroll-snap-align: start;
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--line);
}

.shot-slide:nth-child(3n+1) {
  flex-basis: 50%;
}

.shot-media {
  aspect-ratio: 16/10;
  background: #d9cbbd;
  overflow: hidden;
}

.shot-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shot-caption {
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.shot-caption b {
  font-size: 15px;
}

.shot-caption span {
  font-size: 12px;
  color: var(--muted);
}

.shot-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.shot-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: .25s ease;
}

.shot-btn:hover {
  background: var(--brand-red);
  color: #fff;
  border-color: var(--brand-red);
}

.shot-dots {
  display: flex;
  gap: 7px;
  margin-right: auto;
}

.shot-dots button {
  width: 7px;
  height: 7px;
  border-radius: 40px;
  background: var(--line);
  position: relative;
  transition: .3s ease;
}

.shot-dots button.active {
  width: 23px;
  background: var(--brand-red);
}

/* System cards */
.sys-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.sys-card {
  background: var(--surface-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: clamp(24px, 3vw, 40px);
  box-shadow: var(--shadow-sm);
}

.sys-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
}

.sys-card-head svg {
  display: block;
}

.sys-badge {
  font-size: 12px;
  color: var(--green);
  border: 1px solid rgba(47,125,79,.3);
  background: rgba(47,125,79,.06);
  border-radius: 99px;
  padding: 4px 10px;
  font-weight: 600;
}

.sys-list {
  list-style: none;
}

.sys-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.sys-list li::before {
  content: "✓";
  color: var(--green);
  margin-top: 2px;
  flex-shrink: 0;
}

.sys-list li em {
  margin-left: auto;
  font-style: normal;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.sys-card .sys-download {
  margin-top: 24px;
}

.faq-collapse {
  margin-top: 42px;
}

.faq-row {
  border-bottom: 1px solid var(--line);
}

.faq-row summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding: 22px 4px 22px 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  transition: color .2s;
}

.faq-row summary::-webkit-details-marker {
  display: none;
}

.faq-row summary:hover {
  color: var(--brand-red);
}

.faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  display: block;
  border: 1px solid var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform .3s ease;
}

.faq-icon::before {
  content: "";
  position: absolute;
  inset: 0 11px;
  top: 6px;
  bottom: 6px;
  background: var(--gold);
}

.faq-icon::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 11px;
  bottom: 11px;
  background: var(--gold);
}

.faq-row[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 30px 22px 4px;
  color: var(--muted);
  font-size: 14px;
  max-width: 760px;
}

/* Reviews */
.review-zone {
  background: linear-gradient(135deg, var(--red-dark) 0%, var(--red-deep) 60%, #521017 100%);
  color: #fff;
}

.review-zone .section-head .section-kicker,
.review-zone .section-head h2 {
  color: #fff;
}

.review-zone .section-lead {
  color: rgba(255,255,255,.74);
}

.review-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 4px 4px 28px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.3) transparent;
}

.review-card {
  flex: 0 0 clamp(280px, 30vw, 350px);
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 28px;
  scroll-snap-align: start;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.review-stars {
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 14px;
  display: flex;
}

.review-card blockquote p {
  font-size: 14px;
  color: #44403c;
  line-height: 1.8;
}

.review-person {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-person .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--red-deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.review-person .name {
  font-weight: 700;
  font-size: 14px;
}

.review-person .meta {
  font-size: 12px;
  color: var(--muted);
}

/* News section */
.news-grid {
  display: grid;
  grid-template-columns: .75fr 1.75fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.news-side {
  position: sticky;
  top: 108px;
  background: var(--surface-warm);
  border: 1px solid var(--line);
  padding: 34px 26px;
  border-radius: var(--radius-sm);
}

.news-side h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 12px;
}

.news-side > p {
  color: var(--muted);
  font-size: 14px;
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin-block: 18px 24px;
}

.side-cat-list {
  display: grid;
  gap: 10px;
}

.side-cat-list a {
  font-size: 14px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 0;
  transition: .2s;
}

.side-cat-list a:hover,
.side-cat-list a.active {
  color: var(--brand-red);
}

.side-cat-list a i {
  font-style: normal;
  color: var(--gold);
  transition: transform .2s;
}

.side-cat-list a:hover i {
  transform: translateX(5px);
}

.news-feed {
  display: grid;
  gap: 22px;
}

.post-card {
  display: grid;
  grid-template-columns: 8px 62px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .25s, box-shadow .25s, transform .25s;
}

.post-card:hover {
  border-color: rgba(166,27,47,.34);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.post-num {
  width: 62px;
  text-align: center;
  font-size: 20px;
  font-family: var(--font-serif);
  color: var(--muted);
}

.post-num time {
  display: block;
  font-size: 12px;
  color: var(--gold);
  margin-top: 2px;
}

.post-card-body h3 {
  font-size: 17px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.6;
}

.post-card-body p {
  font-size: 13px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.post-tag {
  font-size: 11px;
  background: var(--brand-red);
  color: #fff;
  border-radius: 99px;
  padding: 4px 10px;
  letter-spacing: .05em;
  white-space: nowrap;
}

.card-arrow {
  display: none;
}

.empty-notice {
  grid-column: 1 / -1;
  background: #fff;
  border: 1px dashed var(--line);
  padding: 48px 20px;
  text-align: center;
  color: var(--muted);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

/* Download CTA */
.download-zone {
  background: linear-gradient(135deg, var(--red-deep), var(--brand-red));
  color: #fff;
  position: relative;
  overflow: hidden;
}

.download-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  opacity: .14;
}

.download-wrap {
  position: relative;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 46px;
  align-items: center;
}

.download-copy h2 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.3;
}

.download-copy p {
  margin-top: 12px;
  color: rgba(255,255,255,.82);
  max-width: 480px;
}

.download-box {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  max-width: 560px;
}

.store-btn {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 10px;
  padding: 11px 18px;
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 190px;
  color: #fff;
  transition: .25s;
  backdrop-filter: blur(3px);
}

.store-btn:hover {
  background: #fff;
  color: var(--red-deep);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -20px #000;
}

.store-btn i {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--brand-red);
  color: #fff;
  font-style: normal;
  display: grid;
  place-items: center;
  font-size: 16px;
}

.store-btn span {
  display: block;
  font-size: 11px;
  opacity: .8;
  text-align: left;
}

.store-btn strong {
  display: block;
  font-size: 15px;
  letter-spacing: .02em;
}

.download-qrtip {
  width: 190px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.25);
  padding: 16px 18px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  margin-left: auto;
}

.download-qrtip .qr-svg {
  width: 44px;
  height: 44px;
}

.download-qrtip p {
  font-size: 12px;
  line-height: 1.6;
  opacity: .92;
}

/* Final CTA */
.cta-final {
  text-align: center;
  background: var(--surface-warm);
  border-top: 1px solid var(--line);
}

.cta-final h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.3;
  margin-bottom: 14px;
}

.cta-final p {
  margin: 0 auto 28px;
  max-width: 600px;
  color: var(--muted);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.85);
  padding-top: 80px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr .75fr .75fr .8fr;
  gap: 38px;
  padding-bottom: 44px;
}

.footer-brand h2 {
  color: #fff;
  font-family: var(--font-serif);
  font-size: 23px;
  font-weight: 800;
}

.footer-brand .gold-word {
  color: #d8b372;
}

.footer-brand p {
  margin-top: 16px;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  max-width: 320px;
}

.site-footer h3 {
  color: #fff;
  font-size: 15px;
  letter-spacing: .08em;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255,255,255,.66);
  transition: color .2s;
}

.footer-links a:hover {
  color: #e4c082;
}

.footer-qual a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 99px;
  padding: 6px 12px;
  margin-right: 8px;
  margin-bottom: 10px;
  color: rgba(255,255,255,.72);
}

.footer-qual a:hover {
  border-color: rgba(228,192,130,.6);
  color: #e4c082;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.52);
}

.footer-bottom a {
  color: rgba(255,255,255,.7);
}

.footer-bottom a:hover {
  color: #e4c082;
}

/* Responsive */
@media (max-width: 1100px) {
  .nav-link {
    padding-inline: 10px;
  }
  .nav-wrap {
    gap: 12px;
  }
  .brand-text {
    font-size: 16px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .news-side {
    position: static;
  }
}

@media (max-width: 960px) {
  .nav-toggle {
    display: flex;
    margin-left: 4px;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(250,248,245,.97);
    box-shadow: var(--shadow-card);
    padding: 10px 14px;
    border-radius: 16px;
    border: 1px solid var(--line);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .3s, transform .3s;
  }
  .nav-open .main-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav .nav-link {
    height: 46px;
    border-radius: var(--radius-xs);
  }
  .nav-link::after {
    display: none;
  }
  .nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  .nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: calc(var(--header-height) + 20px);
  }
  .login-card {
    max-width: 560px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-item {
    border-bottom: 1px solid var(--line);
  }
  .trust-item:nth-child(2) {
    border-right: none;
  }
  .trust-item:nth-child(n+3) {
    border-bottom: 0;
  }

  .sys-grid {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
  .download-qrtip {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }
  .nav-wrap {
    height: 64px;
  }
  .brand-text {
    font-size: 15px;
  }
  .brand-text small {
    font-size: 10px;
  }
  .brand-mark {
    width: 30px;
    height: 30px;
  }
  .nav-cta {
    padding-inline: 14px;
    margin-left: auto;
  }
  .hero-grid {
    padding-block: 18px;
  }
  .tool-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 26px 8px;
  }
  .tool-row strong.tool-index {
    font-size: 34px;
  }
  .tool-arrow {
    display: none;
  }
  .trust-item {
    padding: 22px 18px;
  }
  .news-feed{
    grid-template-columns: 1fr;
  }
  .post-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .post-num {
    text-align: left;
    display: flex;
    gap: 10px;
    width: auto;
    align-items: baseline;
  }
  .post-num time {
    display: inline;
    margin: 0;
  }
  .shot-slide {
    flex: 0 0 86%;
  }
  .shot-slide:nth-child(3n+1) {
    flex-basis: 86%;
  }
  .review-zone {
    padding-block: 56px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .store-btn {
    flex: 1 1 46%;
    min-width: 0;
  }
  .download-qrtip {
    width: 46%;
    min-width: 190px;
  }
}

/* roulang page: article */
:root{
  --brand:#A61B2F;
  --brand-deep:#6E1020;
  --brand-soft:#8C1627;
  --ink:#1F1A18;
  --ink-soft:#5C514A;
  --paper:#F5F0EA;
  --paper-warm:#FBF8F4;
  --white:#FFFFFF;
  --line:#E1D8CF;
  --line-deep:#D6C8BB;
  --gold:#B0854E;
  --success:#2F7D4F;
  --radius-s:4px;
  --radius-m:8px;
  --radius-l:18px;
  --shadow-s:0 1px 3px rgba(31,26,24,.05);
  --shadow-m:0 18px 40px -20px rgba(70,20,20,.3);
  --container:1200px;
  --header-h:78px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --transition:.26s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),box-shadow var(--transition)}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.container-narrow{max-width:940px}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:var(--header-h);
  background:rgba(255,255,255,.52);
  -webkit-backdrop-filter:blur(18px) saturate(1.1);
  backdrop-filter:blur(18px) saturate(1.1);
  border-bottom:1px solid rgba(160,27,47,.14);
  transition:background var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.site-header.scrolled{
  background:rgba(250,248,245,.93);
  border-bottom-color:rgba(160,27,47,.12);
  box-shadow:0 8px 28px -22px rgba(70,20,20,.32);
}
.nav-wrap{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;
  font-size:22px;
  font-family:var(--font-serif);
  font-weight:800;
  border-radius:10px;
  box-shadow:0 8px 18px -10px rgba(166,27,47,.5);
  letter-spacing:0;
}
.brand-text{
  display:flex;
  flex-direction:column;
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.1;
  color:var(--ink);
  font-family:var(--font-serif);
  white-space:nowrap;
}
.brand-text small{
  font-size:11px;
  letter-spacing:.1em;
  color:var(--brand);
  font-weight:600;
  margin-top:3px;
  font-family:var(--font-sans);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-link{
  position:relative;
  display:block;
  padding:10px 15px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-soft);
  border-radius:6px;
  transition:color var(--transition);
}
.nav-link:hover{
  color:var(--brand);
}
.nav-link:hover::after,.nav-link.active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.nav-link.active{
  color:var(--brand);
  font-weight:700;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand);
  color:#fff;
  padding:10px 22px;
  border-radius:28px;
  font-size:14px;
  font-weight:600;
  box-shadow:0 10px 18px -12px rgba(166,27,47,.7);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
}
.nav-cta:hover{
  background:var(--brand-deep);
  box-shadow:0 14px 26px -12px rgba(166,27,47,.7);
  transform:translateY(-1px);
  color:#fff;
}
.nav-cta:active{
  transform:translateY(0) scale(.98);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border-radius:8px;
  cursor:pointer;
  border:1px solid rgba(160,27,47,.18);
  background:rgba(255,255,255,.6);
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform var(--transition),opacity var(--transition);
}
.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)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:6px;
  padding:13px 26px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition);
  border:1px solid transparent;
  text-align:center;
  gap:8px;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 12px 22px -14px rgba(166,27,47,.75);
}
.btn-primary:hover{
  background:var(--brand-deep);
  transform:translateY(-2px);
  color:#fff;
  box-shadow:0 16px 30px -14px rgba(166,27,47,.75);
}
.btn-primary:active{
  transform:translateY(0) scale(.98);
}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:var(--line-deep);
}
.btn-outline:hover{
  border-color:var(--brand);
  color:var(--brand);
}
.btn-dark{
  background:var(--brand-deep);
  color:#fff;
}
.btn-dark:hover{
  background:var(--ink);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.18);
  border-color:rgba(255,255,255,.5);
}

.article-banner{
  position:relative;
  padding:calc(var(--header-h) + 62px) 0 92px;
  background-color:var(--paper);
  background-image:linear-gradient(110deg,rgba(166,27,47,.14) 0%,rgba(245,240,234,0) 42%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center 24%;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-banner::after{
  content:"";
  position:absolute;
  right:-80px;top:-120px;
  width:320px;height:320px;
  border:1px solid rgba(176,133,78,.32);
  border-radius:50%;
  pointer-events:none;
}
.article-banner::before{
  content:"M";
  position:absolute;
  right:60px;bottom:12px;
  font-family:var(--font-serif);
  font-size:160px;
  font-weight:800;
  color:rgba(166,27,47,.05);
  line-height:1;
  pointer-events:none;
}
.article-banner .container{
  position:relative;
  z-index:2;
  max-width:1000px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-soft);
  margin-bottom:26px;
  letter-spacing:.03em;
}
.breadcrumb a{
  color:var(--brand);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.breadcrumb a:hover{
  color:var(--brand-deep);
  text-decoration:underline;
}
.breadcrumb .sep{
  color:var(--gold);
  opacity:.7;
}
.breadcrumb .current{
  color:var(--ink-soft);
  max-width:420px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.article-title{
  font-family:var(--font-serif);
  font-size:44px;
  line-height:1.28;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.5px;
  max-width:880px;
  margin-bottom:20px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:20px;
  font-size:13px;
  color:var(--ink-soft);
  margin-top:20px;
  padding-bottom:6px;
}
.article-meta .badge{
  background:var(--brand);
  color:#fff;
  font-size:13px;
  padding:5px 13px;
  border-radius:20px;
  font-weight:600;
  display:inline-block;
}
.article-meta .badge-outline{
  background:transparent;
  color:var(--brand);
  border:1px solid rgba(166,27,47,.36);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-item i{
  display:inline-block;
  width:14px;height:14px;
  opacity:.55;
}
.article-section{
  background:var(--paper);
  padding:0 0 96px;
}
.article-card{
  background:var(--white);
  border:1px solid #EFE7DE;
  border-radius:14px;
  box-shadow:0 8px 34px -30px rgba(70,20,20,.28);
  padding:62px 64px 40px;
  margin-top:-48px;
  position:relative;
  z-index:3;
}
.article-card::before{
  content:"";
  display:block;
  width:72px;
  height:4px;
  border-radius:4px;
  background:linear-gradient(90deg,var(--brand),var(--gold));
  margin-bottom:42px;
}
.article-body{
  max-width:820px;
  margin:0 auto;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:2;
  color:#332C28;
}
.article-body>p{
  margin-bottom:22px;
}
.article-body h2,.article-body h3,.article-body h4{
  font-family:var(--font-serif);
  color:var(--ink);
  margin:38px 0 14px;
  font-weight:800;
  line-height:1.4;
}
.article-body h2{
  font-size:28px;
  border-left:4px solid var(--brand);
  padding-left:14px;
}
.article-body h3{
  font-size:22px;
  padding-left:2px;
}
.article-body h4{
  font-size:18px;
}
.article-body ul,.article-body ol{
  margin:0 0 24px;
  padding-left:22px;
}
.article-body ul li{
  list-style:disc;
  margin-bottom:8px;
}
.article-body ol li{
  list-style:decimal;
  margin-bottom:8px;
}
.article-body blockquote{
  border-left:4px solid var(--gold);
  background:var(--paper-warm);
  padding:20px 24px;
  border-radius:0 10px 10px 0;
  margin:28px 0;
  color:var(--ink-soft);
  font-size:16px;
}
.article-body pre{
  background:#28211E;
  color:#F3E9DE;
  padding:20px;
  border-radius:10px;
  overflow:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  line-height:1.7;
  margin:24px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#F3ECE4;
  border:1px solid var(--line);
  color:#9C2C3B;
  border-radius:4px;
  padding:1px 7px;
  font-size:.88em;
}
.article-body pre code{
  background:transparent;
  border:none;
  color:inherit;
  padding:0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  background:var(--white);
  border-radius:8px;
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
  font-size:15px;
}
.article-body th{
  background:var(--paper-warm);
  font-weight:700;
}
.article-body img{
  border-radius:8px;
  margin:24px auto;
}
.article-body a{
  color:var(--brand);
  border-bottom:1px solid rgba(166,27,47,.35);
}
.article-body a:hover{
  color:var(--brand-deep);
  border-bottom-color:var(--brand-deep);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid #EEE6DD;
}
.tag-label{
  font-size:13px;
  color:var(--gold);
  font-weight:600;
  margin-right:6px;
  align-self:center;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.tag-label::before{
  content:"";
  width:18px;height:1px;background:var(--gold);
  display:inline-block;
}
.tag{
  display:inline-flex;
  align-items:center;
  background:var(--paper-warm);
  border:1px solid var(--line);
  border-radius:20px;
  padding:5px 14px;
  font-size:13px;
  color:var(--ink-soft);
  font-weight:500;
  transition:all var(--transition);
}
.tag:hover{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.article-bottom{
  margin-top:38px;
  padding-top:30px;
  border-top:1px solid #EEE6DD;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  justify-content:space-between;
}
.back-cat-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.back-cat-btn i{
  display:inline-block;
  width:16px;height:16px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg);
  border-radius:1px;
}
.back-cat-btn:hover{
  color:var(--brand-deep);
}
.prevnext-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}
.prevnext-links a{
  display:inline-flex;
  align-items:center;
  font-size:14px;
  color:var(--ink-soft);
  border:1px solid var(--line);
  padding:9px 16px;
  border-radius:30px;
  gap:8px;
  background:var(--white);
  transition:border-color var(--transition),color var(--transition);
}
.prevnext-links a:hover{
  border-color:var(--brand);
  color:var(--brand);
}
.empty-card{
  background:var(--white);
  border:1px dashed var(--line-deep);
  border-radius:14px;
  padding:92px 40px;
  text-align:center;
  margin:0 auto;
  max-width:720px;
}
.empty-card .empty-icon{
  width:74px;height:74px;
  background:var(--paper-warm);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 22px;
  font-family:var(--font-serif);
  font-size:32px;
  color:var(--brand);
  font-weight:700;
  border:1px solid var(--line);
}
.empty-card h3{
  font-size:24px;
  font-family:var(--font-serif);
  color:var(--ink);
  margin-bottom:12px;
}
.empty-card p{
  color:var(--ink-soft);
  max-width:420px;
  margin:0 auto 26px;
  font-size:15px;
}
.related-section{
  background:var(--paper);
  padding:88px 0 92px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.section-head .eyebrow{
  font-size:12px;
  letter-spacing:.22em;
  font-weight:700;
  color:var(--gold);
  margin-bottom:9px;
  text-transform:uppercase;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:36px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--ink);
}
.section-head .sub-line{
  color:var(--ink-soft);
  font-size:15px;
  max-width:420px;
  text-align:right;
  line-height:1.7;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rel-card{
  position:relative;
  background:var(--white);
  border:1px solid #EEE6DD;
  border-radius:12px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.rel-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-m);
  border-color:#E5D7CC;
}
.rel-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--paper-warm);
}
.rel-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.rel-card:hover .rel-cover img{
  transform:scale(1.045);
}
.rel-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(166,27,47,0) 58%,rgba(110,16,32,.12));
}
.rel-body{
  padding:24px 26px 28px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.rel-cat{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  background:rgba(166,27,47,.08);
  padding:4px 11px;
  border-radius:20px;
  align-self:flex-start;
  letter-spacing:.05em;
  margin-bottom:12px;
}
.rel-title{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  font-family:var(--font-serif);
  color:var(--ink);
  margin-bottom:8px;
  transition:color var(--transition);
}
.rel-card:hover .rel-title{
  color:var(--brand);
}
.rel-title a::after{
  content:"";
  position:absolute;
  inset:0;
}
.rel-text{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-soft);
  margin-bottom:16px;
}
.rel-meta{
  margin-top:auto;
  font-size:13px;
  color:var(--ink-soft);
  display:flex;
  align-items:center;
  gap:8px;
}
.cta-section{
  position:relative;
  background:linear-gradient(112deg,var(--brand-deep) 0%,var(--brand) 48%,#A12535 100%);
  color:#fff;
  padding:84px 0 88px;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  left:8%;top:-30%;
  width:420px;height:420px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:50%;
}
.cta-section::after{
  content:"米兰MI";
  position:absolute;
  right:-20px;bottom:-50px;
  font-family:var(--font-serif);
  font-size:170px;
  font-weight:800;
  color:rgba(255,255,255,.045);
  line-height:1;
  letter-spacing:.04em;
}
.cta-content{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:760px;
  margin:0 auto;
}
.cta-content h2{
  font-family:var(--font-serif);
  font-size:34px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.4;
  margin-bottom:14px;
}
.cta-content p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  margin-bottom:28px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.cta-actions .btn{
  min-width:184px;
  padding:15px 28px;
  font-size:16px;
}

.site-footer{
  background:#26201D;
  color:#CEC4BA;
  padding:74px 0 30px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand{
  margin-bottom:18px;
}
.footer-brand .brand-mark{
  width:38px;height:38px;
  font-size:19px;
  border-radius:8px;
}
.footer-brand .brand-text{
  color:#fff;
  font-size:18px;
}
.footer-brand .brand-text small{
  color:#C8A37E;
  letter-spacing:.14em;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:#A99C92;
  max-width:330px;
  margin-bottom:20px;
}
.trust-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.trust-tags span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.05);
  padding:5px 12px;
  border-radius:20px;
  font-size:12px;
  color:#D8CEC4;
  border:1px solid rgba(255,255,255,.08);
}
.footer-col-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.08em;
  margin-bottom:18px;
  position:relative;
  padding-bottom:9px;
}
.footer-col-title::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:26px;
  height:2px;
  background:var(--gold);
  border-radius:2px;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:#AAA094;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-links a::before{
  content:"";
  width:4px;height:4px;
  background:var(--gold);
  border-radius:50%;
  opacity:.8;
}
.footer-links a:hover{
  color:#fff;
  padding-left:2px;
}
.footer-service{
  font-size:14px;
  line-height:2;
  color:#AAA094;
}
.footer-service strong{
  color:#fff;
}
.footer-middle{
  padding:26px 0;
  display:flex;
  justify-content:space-between;
  gap:22px;
  flex-wrap:wrap;
  border-bottom:1px solid rgba(255,255,255,.06);
  align-items:center;
}
.middle-note{
  display:flex;
  gap:26px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8E8379;
}
.middle-note span i{
  display:inline-block;
  width:5px;height:5px;
  background:var(--success);
  border-radius:50%;
  margin-right:8px;
  vertical-align:middle;
}
.footer-bottom{
  padding-top:26px;
  text-align:center;
  font-size:13px;
  color:#8A7F75;
  line-height:2;
}
.footer-bottom a{
  color:#B3A89E;
}
.footer-bottom a:hover{
  color:#fff;
}

@media (max-width:1024px){
  .container{
    padding-left:20px;
    padding-right:20px;
  }
  .main-nav{
    gap:2px;
  }
  .nav-link{
    padding:10px 10px;
    font-size:14px;
  }
  .nav-cta{
    padding:9px 18px;
    font-size:14px;
  }
  .article-title{
    font-size:38px;
  }
  .related-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:860px){
  .nav-toggle{
    display:inline-flex;
  }
  .main-nav{
    position:fixed;
    top:var(--header-h);
    left:16px;right:16px;
    flex-direction:column;
    align-items:stretch;
    background:rgba(250,248,245,.97);
    -webkit-backdrop-filter:blur(22px);
    backdrop-filter:blur(22px);
    border:1px solid rgba(160,27,47,.12);
    border-radius:14px;
    box-shadow:0 24px 60px -26px rgba(31,26,24,.3);
    padding:14px;
    gap:4px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:opacity var(--transition),transform var(--transition),visibility var(--transition);
    z-index:99;
  }
  .main-nav.open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-link{
    padding:13px 16px;
    font-size:15px;
    border-radius:8px;
  }
  .nav-link:hover,.nav-link.active{
    background:rgba(166,27,47,.08);
  }
  .nav-link.active::after{
    left:16px;bottom:5px;right:auto;width:26px;
  }
  .nav-cta{
    margin-top:8px;
    justify-content:center;
    background:var(--brand);
    color:#fff;
  }
  .nav-wrap{
    gap:12px;
  }
  .article-card{
    padding:46px 28px 28px;
    margin-top:-18px;
  }
  .article-card::before{
    margin-bottom:30px;
  }
  .article-banner{
    padding-bottom:76px;
  }
}
@media (max-width:640px){
  :root{
    --header-h:68px;
  }
  .brand-text{
    font-size:16px;
  }
  .brand-mark{
    width:36px;height:36px;
    font-size:19px;
  }
  .article-banner{
    padding-top:calc(var(--header-h) + 42px);
    padding-bottom:60px;
  }
  .breadcrumb{
    font-size:12px;
    margin-bottom:20px;
  }
  .article-title{
    font-size:28px;
    line-height:1.42;
  }
  .article-meta{
    gap:12px;
    font-size:12px;
  }
  .article-card{
    padding:36px 18px 22px;
    border-radius:10px;
  }
  .article-card::before{
    width:50px;
  }
  .article-body{
    font-size:16px;
    line-height:1.94;
  }
  .article-body h2{
    font-size:24px;
  }
  .article-body h3{
    font-size:20px;
  }
  .article-body blockquote{
    padding:16px 18px;
  }
  .related-grid{
    grid-template-columns:1fr;
    gap:18px;
  }
  .section-head{
    flex-direction:column;
    gap:8px;
    margin-bottom:28px;
  }
  .section-head h2{
    font-size:28px;
  }
  .section-head .sub-line{
    text-align:left;
    max-width:100%;
  }
  .rel-body{
    padding:20px 20px 22px;
  }
  .cta-section{
    padding:64px 0;
  }
  .cta-content h2{
    font-size:27px;
  }
  .cta-actions .btn{
    width:100%;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:36px;
    padding-bottom:38px;
  }
  .footer-middle{
    flex-direction:column;
  }
  .article-bottom{
    align-items:flex-start;
    flex-direction:column;
  }
}

/* roulang page: category1 */
:root{
  --brand-red:#A61B2F;
  --brand-red-dark:#6E1020;
  --ink:#1F1A18;
  --muted:#574F49;
  --soft-bg:#F5F0EA;
  --panel:#FBF8F4;
  --white:#FFFFFF;
  --border:#E1D8CF;
  --gold:#B0854E;
  --success:#2F7D4F;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 3px rgba(31,26,24,0.06);
  --shadow-lg:0 18px 40px -20px rgba(70,20,20,0.28);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--soft-bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:4px;
}
ul,ol,li,p,h1,h2,h3,figure{margin:0;padding:0;}
.container{
  max-width:1200px;
  width:calc(100% - 48px);
  margin-inline:auto;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:8px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:background .25s, color .25s, border-color .25s, box-shadow .25s, transform .15s;
  padding:13px 22px;
  font-size:15px;
}
.btn:active{transform:scale(.97);}
.btn-lg{padding:17px 28px;font-size:16px;border-radius:10px;}
.btn-primary{
  background:var(--brand-red);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(166,27,47,.8);
}
.btn-primary:hover{background:var(--brand-red-dark);box-shadow:0 14px 26px -14px rgba(110,16,32,.8);}
.btn-outline{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.65);
}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);}
.btn-light{
  background:var(--white);
  color:var(--brand-red-dark);
  border-color:var(--white);
}
.btn-light:hover{background:var(--soft-bg);border-color:var(--soft-bg);}
.btn-soft{
  background:#fff;
  color:var(--brand-red);
  border-color:var(--border);
  box-shadow:var(--shadow-sm);
}
.btn-soft:hover{border-color:var(--brand-red);color:var(--brand-red);}

/* Header */
.site-header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:100;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(160,27,47,.2);
  transition:background .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.site-header.scrolled{
  background:rgba(250,248,245,.94);
  box-shadow:0 10px 30px -24px rgba(70,20,20,.4);
  border-bottom-color:rgba(176,133,78,.28);
}
.nav-wrap{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  line-height:1.2;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,#A61B2F,#3d0b12);
  color:#fff;
  font-weight:800;
  display:grid;
  place-items:center;
  font-size:20px;
  font-family:var(--font-serif);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.2), 0 8px 18px -12px rgba(31,26,24,.7);
}
.brand-text{
  font-weight:800;
  font-size:16px;
  letter-spacing:.01em;
}
.brand-text small{
  display:block;
  font-size:10px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--brand-red);
  text-transform:uppercase;
}
.main-nav{
  display:flex;
  align-items:stretch;
  gap:30px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-weight:600;
  font-size:15px;
  color:var(--ink);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  height:2px;
  width:0;
  background:var(--brand-red);
  transition:width .28s ease;
}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--brand-red);}
.nav-link.active::after{width:100%;}
.nav-cta{
  margin-left:8px;
  background:var(--brand-red);
  color:#fff;
  font-weight:700;
  font-size:14px;
  padding:10px 18px;
  border-radius:8px;
  transition:background .25s, transform .15s;
}
.nav-cta:hover{background:var(--brand-red-dark);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.7);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:4px;
  transition:transform .3s, opacity .3s;
}
.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);}

/* Section base */
.section{padding:112px 0;}
.section-head{
  max-width:760px;
  margin-bottom:52px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand-red);
  margin-bottom:14px;
}
.kicker::before{
  content:"";
  width:34px;
  height:1px;
  background:var(--gold);
}
.center .kicker::after{
  content:"";
  width:34px;
  height:1px;
  background:var(--gold);
}
.section-title{
  font-family:var(--font-serif);
  font-size:38px;
  line-height:1.28;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
}
.section-title .gold{
  color:var(--brand-red);
}
.section-desc{
  margin-top:18px;
  color:var(--muted);
  font-size:16px;
}

/* Sub hero */
.sub-hero{
  min-height:650px;
  padding:170px 0 96px;
  display:flex;
  align-items:center;
  color:#fff;
  position:relative;
  background:
    linear-gradient(115deg, rgba(60,8,18,.96) 10%, rgba(110,16,32,.8) 52%, rgba(31,26,24,.52) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.hero-grid{
  display:flex;
  align-items:center;
  gap:64px;
}
.hero-copy{
  flex:1;
  min-width:0;
}
.hero-copy .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  color:#F2D9B6;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  padding:7px 14px;
  border-radius:30px;
  font-size:13px;
  margin-bottom:24px;
}
.hero-copy .eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--gold);
}
.hero-copy h1{
  font-family:var(--font-serif);
  font-weight:800;
  font-size:56px;
  line-height:1.2;
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:24px;
}
.hero-copy h1 span{
  color:#F2D9B6;
}
.hero-copy p{
  font-size:17px;
  line-height:1.95;
  color:rgba(255,255,255,.86);
  max-width:610px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.hero-safe-note{
  font-size:13px;
  color:rgba(255,255,255,.68);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-safe-note::before{
  content:"✓";
  width:18px;height:18px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  color:#fff;
}
.hero-card{
  width:400px;
  flex:none;
  background:#fff;
  color:var(--ink);
  border-radius:18px;
  padding:28px;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.hero-card::after{
  content:"";
  position:absolute;
  top:-10px;
  right:-10px;
  width:78px;
  height:78px;
  border-top:1px solid rgba(176,133,78,.95);
  border-right:1px solid rgba(176,133,78,.95);
  border-top-right-radius:20px;
  pointer-events:none;
}
.hero-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.hero-card-head h2{
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:800;
  margin:0;
}
.hero-card-head .pill{
  background:rgba(166,27,47,.08);
  color:var(--brand-red);
  font-size:12px;
  font-weight:700;
  padding:5px 10px;
  border-radius:20px;
}
.address-line{
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:10px;
  padding:10px 14px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
}
.address-line .lock{
  color:var(--success);
  font-weight:800;
}
.hero-card-list{
  list-style:none;
  border-top:1px dashed var(--border);
  padding-top:8px;
}
.hero-card-list li{
  display:flex;
  gap:12px;
  padding:10px 0;
  font-size:14px;
  color:#3B342F;
}
.hero-card-list li .n{
  color:var(--gold);
  font-weight:800;
  font-size:13px;
}
.hero-card-foot{
  background:#F7F1E9;
  border-radius:8px;
  padding:10px 14px;
  font-size:12px;
  color:var(--muted);
  margin-top:12px;
}

/* Ways */
.ways-section{background:var(--soft-bg);}
.ways-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:24px;
}
.way-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  transition:box-shadow .3s ease, transform .3s ease;
  box-shadow:var(--shadow-sm);
}
.way-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-3px);
}
.way-card .media{
  position:relative;
  height:224px;
  overflow:hidden;
  background:#E8DED2;
}
.way-card .media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.way-card:hover .media img{transform:scale(1.04);}
.way-card .media-tag{
  position:absolute;
  left:18px;
  bottom:16px;
  background:rgba(31,26,24,.82);
  color:#fff;
  font-size:13px;
  padding:7px 13px;
  border-radius:30px;
  backdrop-filter:blur(6px);
}
.way-card-body{padding:28px;}
.way-card-body h3{
  font-family:var(--font-serif);
  font-size:24px;
  margin-bottom:10px;
  color:var(--ink);
}
.way-card-body p{
  color:var(--muted);
  font-size:15px;
  margin-bottom:16px;
}
.way-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:20px;
}
.way-tags span{
  font-size:12px;
  padding:4px 10px;
  border-radius:30px;
  background:#F4EEE6;
  color:#6E6259;
  border:1px solid #E8DED2;
}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:14px;
  color:var(--brand-red);
}
.arrow-link .arrow{
  transition:transform .25s ease;
}
.arrow-link:hover .arrow{transform:translateX(4px);}
.way-stack{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
.way-mini{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:18px;
  padding:26px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s ease, transform .3s ease;
}
.way-mini:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.way-mini h3{
  font-family:var(--font-serif);
  font-size:20px;
  margin-bottom:8px;
}
.way-mini p{
  color:var(--muted);
  font-size:14px;
  margin-bottom:16px;
}

/* Safety */
.safety-band{
  background:linear-gradient(135deg,#6E1020 0%,#1F1A18 85%);
  color:#fff;
}
.safety-band .section-title{color:#fff;}
.safety-band .section-desc{color:rgba(255,255,255,.68);}
.safety-list{
  list-style:none;
  margin-top:8px;
  border-top:1px solid rgba(255,255,255,.14);
}
.safety-item{
  display:grid;
  grid-template-columns:100px 1fr;
  gap:28px;
  padding:40px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
  position:relative;
}
.safety-item .no{
  font-family:var(--font-serif);
  font-size:44px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(242,217,182,.85);
  line-height:1;
}
.safety-item h3{
  font-family:var(--font-serif);
  font-size:24px;
  color:#fff;
  margin-bottom:8px;
}
.safety-item p{
  color:rgba(255,255,255,.72);
  max-width:760px;
  font-size:15px;
}

/* Scenario */
.scene-section{background:#FBF8F4;}
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.scene-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:28px 24px;
  transition:box-shadow .3s ease, transform .3s ease, border-color .3s ease;
  box-shadow:var(--shadow-sm);
}
.scene-card:hover{
  border-color:rgba(166,27,47,.35);
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.scene-ico{
  width:46px;
  height:46px;
  border-radius:12px;
  background:linear-gradient(145deg,#8a1a2a,var(--brand-red));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:20px;
  margin-bottom:22px;
  box-shadow:0 10px 18px -14px rgba(110,16,32,.6);
}
.scene-card h3{
  font-family:var(--font-serif);
  font-size:20px;
  margin-bottom:8px;
}
.scene-card p{
  font-size:14px;
  color:var(--muted);
}

/* Flow */
.flow-section{background:var(--soft-bg);}
.flow-wrap{
  display:grid;
  grid-template-columns: .85fr 1.15fr;
  gap:64px;
  align-items:center;
}
.flow-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.flow-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  min-height:480px;
}
.flow-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(31,26,24,.18), transparent 45%);
}
.flow-steps{
  list-style:none;
}
.flow-step{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:22px;
  padding:26px 0;
  position:relative;
}
.flow-step:not(:last-child)::before{
  content:"";
  position:absolute;
  left:31px;
  top:72px;
  width:1px;
  height:calc(100% - 40px);
  background:linear-gradient(var(--gold), rgba(176,133,78,.15));
}
.flow-step .step-no{
  width:48px;
  height:48px;
  border-radius:50%;
  border:1px solid var(--gold);
  color:var(--brand-red);
  display:grid;
  place-items:center;
  font-family:var(--font-serif);
  font-weight:800;
  background:#fff;
  box-shadow:0 0 0 6px rgba(176,133,78,.1);
}
.flow-step h3{
  font-family:var(--font-serif);
  font-size:21px;
  margin-bottom:6px;
}
.flow-step p{
  color:var(--muted);
  font-size:15px;
  max-width:620px;
}

/* Client tip */
.client-tip{
  background:var(--white);
  border-top:1px solid #EFE5DA;
  border-bottom:1px solid #EFE5DA;
}
.tip-panel{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  display:grid;
  grid-template-columns:.9fr 1.1fr;
}
.tip-panel .tip-img{
  min-height:300px;
  background:#E8DED2;
}
.tip-panel .tip-img img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.tip-content{
  padding:44px 48px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.tip-content h2{
  font-family:var(--font-serif);
  font-size:30px;
  line-height:1.35;
  margin-bottom:14px;
}
.tip-content p{
  color:var(--muted);
  margin-bottom:24px;
}
.tip-note{
  font-size:13px;
  color:var(--gold);
  background:rgba(176,133,78,.1);
  border-radius:8px;
  padding:10px 14px;
  margin-bottom:26px;
}

/* FAQ */
.faq-section{background:var(--soft-bg);}
.faq-wrap{
  max-width:900px;
  margin-inline:auto;
}
.faq-item{
  background:#fff;
  border-radius:14px;
  padding:0 28px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  margin-bottom:18px;
  transition:box-shadow .3s ease;
}
.faq-item:hover{box-shadow:var(--shadow-lg);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:22px 0;
  font-weight:700;
  font-size:17px;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-marker{
  flex:none;
  width:30px;
  height:30px;
  border:1px solid var(--gold);
  color:var(--gold);
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:22px;
  font-weight:400;
  transition:transform .3s, background .3s, color .3s;
}
.faq-item[open] .faq-marker{
  transform:rotate(45deg);
  background:var(--gold);
  color:#fff;
}
.faq-answer{
  padding:2px 0 24px;
  color:var(--muted);
  max-width:780px;
  font-size:15px;
}

/* CTA */
.cta-area{
  background:linear-gradient(180deg,var(--soft-bg) 0%,#EFE4D9 100%);
  padding:90px 0;
}
.cta-panel{
  background:linear-gradient(135deg,#A61B2F 0%,#6E1020 70%,#1F1A18 140%);
  color:#fff;
  border-radius:24px;
  padding:64px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  top:-70px;
  right:-70px;
  width:300px;
  height:300px;
  border:1px solid rgba(242,217,182,.3);
  border-radius:50%;
}
.cta-panel::after{
  content:"";
  position:absolute;
  left:70px;
  bottom:-120px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:rgba(176,133,78,.16);
  filter:blur(20px);
}
.cta-panel h2{
  font-family:var(--font-serif);
  font-size:36px;
  margin-bottom:16px;
  position:relative;
  z-index:1;
}
.cta-panel p{
  color:rgba(255,255,255,.82);
  max-width:680px;
  margin-inline:auto;
  margin-bottom:30px;
  position:relative;
  z-index:1;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}

/* Footer */
.site-footer{
  background:#1F1A18;
  color:#BDB4AB;
  font-size:14px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr .9fr .9fr 1.2fr;
  gap:48px;
  padding:72px 0 56px;
}
.footer-brand .brand{
  color:#fff;
  margin-bottom:18px;
}
.footer-brand .brand-text small{
  color:#E7C598;
}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:#9C938B;
  max-width:280px;
}
.footer-col .ft-t{
  color:#fff;
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
  position:relative;
  padding-bottom:8px;
}
.footer-col .ft-t::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:24px;
  height:2px;
  background:var(--gold);
}
.footer-col a{
  display:block;
  color:#A79C93;
  padding:6px 0;
  transition:color .25s, padding-left .25s;
}
.footer-col a:hover{
  color:#F2D9B6;
  padding-left:5px;
}
.footer-note{
  background:rgba(255,255,255,.03);
  border-radius:12px;
  padding:16px 18px;
  margin-top:8px;
  color:#A79C93;
  font-size:13px;
  line-height:1.8;
}
.footer-note strong{color:#E7C598;}
.footer-mid{
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  color:#8C837B;
  font-size:13px;
}
.footer-mid span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-mid .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--success);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:20px 0 30px;
  text-align:center;
  font-size:13px;
  color:#7D746C;
}

/* Media */
@media (max-width: 1100px){
  .hero-copy h1{font-size:46px;}
  .hero-card{width:370px;}
  .ways-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:repeat(3,1fr);}
  .flow-wrap{grid-template-columns:1fr;gap:44px;}
  .flow-media img{min-height:360px;}
  .footer-main{grid-template-columns:1fr 1fr;}
}
@media (max-width: 900px){
  .section{padding:80px 0;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:calc(var(--header-h) + 8px);
    right:24px;
    left:24px;
    background:#FBF8F4;
    border:1px solid var(--border);
    border-radius:16px;
    box-shadow:var(--shadow-lg);
    flex-direction:column;
    gap:0;
    padding:12px 22px;
    display:none;
    max-height:calc(100vh - 120px);
    overflow:auto;
  }
  .main-nav.open{display:flex;}
  .main-nav a.nav-link{
    line-height:2.6;
    border-bottom:1px solid #EFE5DA;
  }
  .main-nav a.nav-link:last-child{border-bottom:none;}
  .nav-cta{display:none;}
  .hero-grid{flex-direction:column;gap:36px;}
  .hero-card{width:min(100%,460px);}
  .sub-hero{min-height:auto;padding:140px 0 70px;}
  .hero-card::after{display:none;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .flow-wrap{grid-template-columns:1fr;}
  .tip-panel{grid-template-columns:1fr;}
  .tip-panel .tip-img{min-height:250px;}
  .safety-item{grid-template-columns:80px 1fr;gap:20px;}
}
@media (max-width: 600px){
  .section{padding:64px 0;}
  .container{width:calc(100% - 32px);}
  .brand-text{font-size:14px;}
  .brand-text small{font-size:9px;}
  .hero-copy h1{font-size:36px;}
  .hero-copy p{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .section-title{font-size:29px;}
  .hero-card{padding:22px;}
  .safety-item{grid-template-columns:60px 1fr;gap:16px;}
  .safety-item .no{font-size:34px;}
  .scene-grid{grid-template-columns:1fr;}
  .flow-step{grid-template-columns:56px 1fr;gap:16px;}
  .tip-content{padding:34px 26px;}
  .cta-panel{padding:44px 24px;}
  .cta-panel h2{font-size:28px;}
  .footer-main{grid-template-columns:1fr;gap:36px;padding:56px 0 40px;}
  .footer-brand p{max-width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#A61B2F;
  --brand-dark:#6E1020;
  --brand-soft:#F8E9E6;
  --ink:#1F1A18;
  --text:#3F3731;
  --muted:#8B7E75;
  --bg:#F5F0EA;
  --panel:#FFFFFF;
  --panel-warm:#FBF8F4;
  --border:#E1D8CF;
  --gold:#B0854E;
  --gold-soft:#DFC9AC;
  --success:#2F7D4F;
  --white:#FFFFFF;
  --radius-s:4px;
  --radius-m:8px;
  --radius-l:18px;
  --shadow-static:0 1px 3px rgba(31,26,24,.05);
  --shadow-float:0 18px 40px -20px rgba(70,20,20,.3);
  --container:1200px;
  --gutter:24px;
  --ease:all .25s ease;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.section{padding:112px 0}
@media(max-width:1024px){.section{padding:80px 0}}
@media(max-width:640px){.section{padding:56px 0}}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-m);
  font-weight:600;
  font-size:15px;
  line-height:1;
  cursor:pointer;
  transition:var(--ease);
  border:none;
}
.btn:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:var(--white);box-shadow:0 8px 18px -10px rgba(166,27,47,.6)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-primary:disabled{background:var(--border);color:var(--muted);box-shadow:none;cursor:not-allowed}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--border)}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);background:rgba(166,27,47,.04)}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:var(--gold-soft);color:var(--gold-soft)}
.btn-download{
  display:inline-flex;
  align-items:center;
  justify-content:flex-start;
  gap:12px;
  background:var(--ink);
  color:#fff;
  border-radius:var(--radius-m);
  padding:10px 18px 10px 12px;
  text-align:left;
  transition:var(--ease);
  min-width:190px;
}
.btn-download small{
  display:block;
  font-size:11px;
  color:rgba(255,255,255,.7);
  letter-spacing:.06em;
  text-transform:uppercase;
}
.btn-download strong{display:block;font-size:16px;line-height:1.35}
.btn-download:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-download .icon-d{
  width:42px;height:42px;
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  transition:var(--ease);
}
.btn-download:hover .icon-d{background:var(--brand-dark);color:#fff}

/* 头部导航 */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(160,27,47,.2);
  transition:var(--ease);
}
.site-header.scrolled{
  background:rgba(250,248,245,.92);
  box-shadow:0 12px 30px -24px rgba(31,26,24,.3);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:46px;
  height:46px;
  border-radius:10px;
  background:linear-gradient(145deg,var(--brand),var(--brand-dark));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:800;
  box-shadow:0 10px 20px -10px rgba(110,16,32,.7);
}
.brand-text{
  font-weight:800;
  font-size:18px;
  letter-spacing:.02em;
  white-space:nowrap;
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-text small{
  font-weight:500;
  font-size:11px;
  color:var(--muted);
  letter-spacing:.08em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:32px;
}
.main-nav a{
  font-size:15px;
  color:var(--ink);
  padding:8px 2px;
  border-bottom:2px solid transparent;
  transition:var(--ease);
  position:relative;
  white-space:nowrap;
}
.main-nav a:hover{
  color:var(--brand);
}
.main-nav a.active,
.main-nav a[aria-current="page"]{
  color:var(--brand);
  font-weight:600;
  border-bottom-color:var(--brand);
}
.nav-cta{
  min-height:40px;
  padding:0 18px;
  font-size:14px;
  border-radius:40px;
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  cursor:pointer;
  transition:var(--ease);
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:var(--ease);
}
.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)}
@media(max-width:1024px){
  .main-nav{
    position:absolute;
    top:76px;
    left:0;
    right:0;
    background:rgba(250,248,245,.98);
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
    padding:16px 24px 24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 20px 30px -20px rgba(31,26,24,.18);
    transform:translateY(-16px);
    opacity:0;
    pointer-events:none;
    transition:var(--ease);
  }
  .main-nav.open{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .main-nav a{
    font-size:17px;
    width:100%;
    display:block;
    padding:12px 0;
    border-bottom:1px solid var(--border);
  }
  .main-nav a.active{border-bottom-color:var(--border)}
  .nav-toggle{
    display:inline-flex;
  }
  .nav-cta{display:none}
}

/* 小 Hero 分类页首屏 */
.page-hero{
  position:relative;
  background:linear-gradient(120deg,#5A101A 0%,#1F1A18 72%);
  padding:176px 0 88px;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(90,16,26,.88) 8%,rgba(31,26,24,.72) 72%);
  z-index:1;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  color:rgba(255,255,255,.68);
  font-size:13px;
  letter-spacing:.02em;
  margin-bottom:28px;
}
.breadcrumb a:hover{color:var(--gold-soft)}
.page-hero h1{
  margin:0;
  font-family:var(--serif);
  font-size:64px;
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.025em;
 font-size:clamp(44px,7vw,72px);
}
.page-hero h1 .hl{color:var(--gold-soft)}
.page-hero .lead{
  margin:20px 0 0;
  max-width:620px;
  font-size:17px;
  color:rgba(255,255,255,.82);
  line-height:1.9;
}
.page-hero .btn-group{
  margin-top:36px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-subline{
  margin-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.52);
  letter-spacing:.06em;
}
@media(max-width:640px){
  .page-hero{padding:150px 0 60px}
  .page-hero h1{letter-spacing:-.01em}
}

/* 信任条 */
.trust-strip{
  border-top:1px solid rgba(255,255,255,.18);
  margin-top:52px;
  padding-top:24px;
}
.trust-list{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:18px;
}
.trust-item strong{
  display:block;
  font-family:var(--serif);
  font-size:26px;
  color:var(--gold-soft);
}
.trust-item span{
  color:rgba(255,255,255,.62);
  font-size:13px;
  letter-spacing:.06em;
}
@media(max-width:768px){
  .trust-list{display:grid;grid-template-columns:repeat(2,1fr)}
}

/* 通用区块标题 */
.sec-head{
  margin-bottom:48px;
  max-width:720px;
}
.sec-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--brand);
  letter-spacing:.18em;
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-head .kicker::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--gold);
}
.sec-head h2{
  font-family:var(--serif);
  font-size:38px;
  line-height:1.35;
  font-weight:700;
  margin:0;
  letter-spacing:-.01em;
  color:var(--ink);
}
.sec-head p{
  margin-top:12px;
  color:var(--text);
  font-size:16px;
  display:flex;
  flex-direction:column;
}
.sec-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.sec-head.center .kicker{justify-content:center}
.sec-head.center .kicker::before{display:none}
@media(max-width:640px){
  .sec-head h2{font-size:30px}
}

/* 下载平台 */
.download-platform{
  background:var(--panel-warm);
  border:1px solid var(--border);
  border-radius:var(--radius-l);
  overflow:hidden;
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  box-shadow:var(--shadow-static);
}
.download-visual{
  background:linear-gradient(145deg,var(--brand),var(--brand-dark));
  padding:32px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  min-height:300px;
}
.download-visual img{
  width:calc(100% + 22px);
  max-width:none;
  border-radius:8px;
  margin-left:11px;
  box-shadow:0 20px 40px -12px rgba(0,0,0,.42);
}
.download-visual .num{
  color:var(--gold-soft);
  font-family:var(--serif);
  font-size:36px;
}
.download-visual p{
  color:#fff;
  font-size:17px;
  margin:0;
}
.download-panel{
  padding:40px;
}
.os-group-name{margin-bottom:18px}
.os-group-name h3{
  margin:0;
  font-size:15px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:700;
}
.os-group-name::after{
  content:"";
  display:block;
  width:34px;
  height:3px;
  background:var(--gold);
  border-radius:99px;
  margin-top:8px;
}
.download-list{display:flex;flex-direction:column;gap:14px}
.version-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  padding:14px 16px;
  transition:var(--ease);
}
.version-item:hover{
  border-color:rgba(166,27,47,.3);
  box-shadow:var(--shadow-float);
  transform:translateY(-2px);
}
.version-icon{
  flex:0 0 44px;
  width:44px;
  height:44px;
  border-radius:8px;
  background:var(--bg);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  color:var(--ink);
}
.version-meta{margin-left:2px;flex:1}
.version-meta strong{
  font-size:15px;
  display:block;
  line-height:1.4;
}
.version-meta small{
  color:var(--muted);
  font-size:12px;
}
.download-label{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  background:rgba(166,27,47,.07);
  padding:7px 14px;
  border-radius:99px;
}
.download-label:hover{
  background:var(--brand);
  color:#fff;
}
@media(max-width:1024px){
  .download-platform{grid-template-columns:1fr}
  .download-visual{min-height:auto;max-height:360px}
  .download-visual img{max-height:310px;object-fit:cover}
}
@media(max-width:640px){
  .download-panel{padding:22px}
  .version-item{flex-wrap:wrap}
  .download-label{margin-left:auto}
}

/* 系统要求 / 平台卡 */
.platform-card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.platform-card{
  background:var(--panel);
  border-radius:var(--radius-m);
  border:1px solid var(--border);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  box-shadow:var(--shadow-static);
  transition:var(--ease);
}
.platform-card:hover{
  box-shadow:var(--shadow-float);
  border-color:rgba(176,133,78,.35);
  transform:translateY(-4px);
}
.platform-logo{
  width:46px;height:46px;
  border-radius:12px;
  background:var(--ink);
  color:#fff;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.platform-card h3{margin:4px 0 0;font-size:19px;font-weight:800}
.platform-card .ver{
  color:var(--gold);
  font-weight:700;
  font-size:13px;
  letter-spacing:.08em;
}
.platform-card p{
  color:var(--text);
  font-size:14px;
  line-height:1.75;
  margin:0;
  flex:1;
}
.card-link{
  font-weight:700;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand);
}
.card-link::after{
  content:"→";
  transition:var(--ease);
}
.card-link:hover::after{transform:translateX(5px)}
@media(max-width:1024px){.platform-card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.platform-card-grid{grid-template-columns:1fr}}

/* 内容大板块 */
.about-download{
  background:var(--panel);
  border-bottom:1px solid var(--border);
}
.feature-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.feature-media{
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-float);
  position:relative;
}
.feature-media::after{
  content:"";position:absolute;
  bottom:14px;left:14px;
  width:88px;height:8px;
  background:rgba(255,255,255,.55);
  border-radius:99px;
  display:block;
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-copy .feature-item{
  display:flex;
  flex-direction:row;
  gap:18px;
  margin-bottom:20px;
  border-bottom:1px solid var(--border);
  padding-bottom:20px;
}
.feature-copy .feature-item:last-child{border-bottom:none;padding-bottom:0}
.f-num{
  flex:0 0 54px;
  height:54px;
  border-radius:4px;
  background:var(--ink);
  color:var(--gold-soft);
  font-family:var(--serif);
  font-size:24px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.feature-copy h3{
  margin:0 0 6px;
  font-family:var(--serif);
  font-size:23px;
  font-weight:700;
}
.feature-copy p{
  margin:0;
  color:var(--text);
  font-size:15px;
  line-height:1.8;
}
@media(max-width:900px){
  .feature-split{grid-template-columns:1fr;gap:32px}
}

/* 步骤 */
.step-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step-card{
  background:var(--panel);
  border:1px solid var(--border);
  padding:26px 20px;
  border-radius:var(--radius-m);
  position:relative;
  transition:var(--ease);
  box-shadow:var(--shadow-static);
}
.step-card .line{
  width:46px;
  height:2px;
  background:var(--gold);
  display:block;
  margin:18px 0 14px;
}
.step-card .step-no{
  font-size:14px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.16em;
}
.step-card h3{
  font-size:17px;
  margin:0 0 6px;
  font-weight:700;
}
.step-card p{
  font-size:14px;
  margin:0;
  color:var(--text);
  line-height:1.7;
}
.step-card:hover{box-shadow:var(--shadow-float);transform:translateY(-4px)}
@media(max-width:1024px){.step-wrap{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.step-wrap{grid-template-columns:1fr}}

/* FAQ 手风琴 */
.faq-list{
  max-width:860px;
  margin:0 auto;
}
.faq-row{
  border-bottom:1px solid var(--border);
  border-top:1px solid var(--border);
}
.faq-row + .faq-row{border-top:none}
.faq-row details{position:relative}
.faq-row summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center;
  padding:22px 4px;
  font-weight:700;
  font-size:17px;
  transition:var(--ease);
  color:var(--ink);
}
.faq-row summary::-webkit-details-marker{display:none}
.faq-row summary:hover{color:var(--brand)}
.faq-row summary::after{
  content:"+";
  color:var(--gold);
  font-size:28px;
  line-height:1;
  flex-shrink:0;
  transition:var(--ease);
  font-weight:300;
}
.faq-row details[open] summary::after{transform:rotate(45deg)}
.faq-answer{
  padding:0 48px 24px 4px;
  color:var(--text);
  font-size:15px;
  line-height:1.85;
}
.faq-answer a{color:var(--brand)}
.faq-answer a:hover{border-bottom:1px solid var(--brand)}

/* CTA */
.cta-block{
  background:linear-gradient(135deg,var(--brand-dark),var(--brand) 56%,#7C1620);
  color:#fff;
  text-align:center;
  position:relative;
}
.cta-block::before{
  content:"";position:absolute;
  inset:0;
  background-image:radial-gradient(circle at top right,rgba(255,255,255,.15),transparent 45%);
}
.cta-inner{
  position:relative;
  max-width:760px;
  margin:0 auto;
}
.cta-inner h2{
  font-family:var(--serif);
  font-size:44px;
  margin:0;
  line-height:1.3;
  letter-spacing:-.02em;
}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin:18px 0 32px}
@media(max-width:640px){.cta-inner h2{font-size:34px}}

/* 用户评价片段 */
.review-person{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  background:var(--panel);
  border-radius:var(--radius-m);
  border:1px solid var(--border);
  width:fit-content;
  max-width:100%;
  box-shadow:var(--shadow-static);
}
.review-person .avatar{
  width:46px;
  height:46px;
  border-radius:50%;
  background:var(--gold-soft);
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:16px;
  flex-shrink:0;
}
.review-person .name{
  margin:0;
  font-weight:700;
  font-size:14px;
}
.review-person .meta{
  margin:2px 0 0;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.02em;
}
.footer-person-zone{
  background:#1E1714;
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:18px 0;
}
.footer-person-zone .review-person{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.08);
}
.footer-person-zone .review-person .avatar{
  background:var(--brand);
  color:#fff;
}
.footer-person-zone .review-person .name{
  color:#fff;
  font-size:14px;
}
.footer-person-zone .review-person .meta{
  color:rgba(255,255,255,.6);
}

/* 站点页脚 */
.site-footer{
  background:#1E1714;
  color:rgba(255,255,255,.72);
  padding-top:56px;
  padding-bottom:32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand .brand{
  margin-bottom:18px;
}
.footer-brand .brand-text{
  color:#fff;
}
.footer-brand .brand-text small{
  color:rgba(255,255,255,.5);
}
.footer-brand .brand-mark{
  background:var(--brand);
}
.footer-brand > p{
  color:rgba(255,255,255,.6);
  font-size:14px;
  max-width:340px;
  line-height:1.9;
}
.footer-title{
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.08em;
  margin:0 0 18px;
}
.footer-links li{
  margin-bottom:10px;
  font-size:14px;
}
.footer-links a{
  color:rgba(255,255,255,.58);
  transition:var(--ease);
}
.footer-links a:hover{
  color:var(--gold-soft);
  padding-left:6px;
}
.footer-note{
  background:rgba(255,255,255,.05);
  border-radius:var(--radius-m);
  padding:18px;
  border-left:3px solid var(--gold);
  color:rgba(255,255,255,.72);
  font-size:13px;
  direction:ltr;
  text-align:left;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:28px;
  font-size:12px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{
  color:rgba(255,255,255,.6);
  border-bottom:1px solid rgba(255,255,255,.25);
}
.footer-bottom a:hover{
  color:#fff;
  border-color:#fff;
}
@media(max-width:1024px){
  .footer-grid{
    grid-template-columns:repeat(2,1fr);
    gap:34px;
  }
}
@media(max-width:600px){
  .section{padding-top:56px;padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr}
}

/* 通用布局 */
.mt-0{margin-top:0}
.text-center{text-align:center}
.panel-card{
  background:var(--panel);
  border-radius:var(--radius-m);
  border:1px solid var(--border);
  padding:28px;
  box-shadow:var(--shadow-static);
}
.bg-soft{background:var(--bg)}
.bg-white{background:var(--panel)}

/* roulang page: category3 */
:root{
  --brand:#A61B2F;
  --brand-strong:#7D1223;
  --brand-dark:#6E1020;
  --ink:#1F1A18;
  --muted:#6F6259;
  --bg:#F5F0EA;
  --surface:#FFFFFF;
  --surface-warm:#FBF8F4;
  --line:#E1D8CF;
  --gold:#B0854E;
  --gold-soft:#C9A675;
  --ok:#2F7D4F;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:18px;
  --shadow-sm:0 1px 3px rgba(31,26,24,0.05);
  --shadow-lg:0 18px 40px -20px rgba(70,20,20,0.32);
  --font-head:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-body:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --container:1200px;
  --pad-section:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px/1.8 var(--font-body);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol,dl,p,blockquote,figure{margin:0;padding:0}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.3;margin:0}
.container{width:min(var(--container),100% - 48px);margin-inline:auto}
button{font-family:inherit;border:0;cursor:pointer;background:transparent}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.section-spacer{padding-block:var(--pad-section)}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.12em;
}
.sec-eyebrow::before{content:"";width:24px;height:1px;background:var(--brand);display:inline-block}
.sec-title{font-size:clamp(28px,4vw,42px);font-weight:700;margin:12px 0 16px;color:var(--ink);letter-spacing:-.02em}
.sec-lead{color:var(--muted);max-width:760px;font-size:16px;line-height:1.9}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:11px 24px;
  border-radius:var(--radius-md);font-weight:700;font-size:15px;
  border:1px solid transparent;transition:transform .2s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 26px -12px rgba(166,27,47,.6)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.97)}
.btn-outline{background:rgba(255,255,255,.8);color:var(--ink);border-color:var(--line)}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--surface-warm);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.card{background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}

/* 顶部导航 */
.site-header{
  position:fixed;inset:0 0 auto;z-index:1000;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(166,27,47,.18);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(250,248,245,.94);box-shadow:0 10px 30px -24px rgba(31,26,24,.2)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(145deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;display:grid;place-items:center;
  font-family:var(--font-head);font-weight:800;font-size:20px;letter-spacing:-.06em;
  box-shadow:inset 0 -8px 14px -8px rgba(0,0,0,.4),0 6px 18px -8px rgba(166,27,47,.7);
}
.brand-text{font-size:20px;font-weight:800;color:var(--ink);font-family:var(--font-head);line-height:1.2;font-feature-settings:'palt'}
.brand-text small{display:block;font-size:10px;font-weight:600;color:var(--brand);letter-spacing:.22em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:8px;margin-right:auto}
.nav-link{
  position:relative;font-weight:600;font-size:15px;color:var(--ink);
  padding:12px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:7px;width:0;height:2px;
  background:var(--brand);border-radius:2px;transition:width .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{width:100%}
.nav-cta{background:var(--brand);color:#fff;min-height:40px;padding:8px 20px;font-size:14px;border-radius:20px;box-shadow:0 8px 20px -8px rgba(166,27,47,.65)}
.nav-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px;border:1px solid var(--line);background:rgba(255,255,255,.65)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s ease,opacity .3s}
.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)}

/* 分类页首屏 */
.category-hero{position:relative;min-height:90vh;display:flex;align-items:center;padding-top:120px;padding-bottom:80px;overflow:hidden;margin-top:0}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(36,10,16,.88) 0%,rgba(82,17,28,.76) 42%,rgba(166,27,47,.55) 100%)}
.category-hero-inner{display:grid;grid-template-columns:minmax(0,1fr);align-content:center;position:relative;z-index:2}
.crumb{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:28px;
  color:rgba(255,255,255,.78);font-size:13px;letter-spacing:.06em;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  padding:8px 14px;border-radius:30px;width:max-content;
}
.crumb a{color:rgba(255,255,255,.82);transition:color .2s}
.crumb a:hover{color:#fff}
.crumb em{font-style:normal;color:var(--gold-soft)}
.crumb i{font-style:normal;font-size:12px;opacity:.5}
.hero-eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--gold-soft);text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.hero-eyebrow::before{content:"";width:32px;height:1px;background:var(--gold-soft)}
.category-hero h1{font-size:clamp(42px,6vw,76px);font-weight:800;letter-spacing:-.035em;color:#fff;max-width:900px;line-height:1.06}
.hero-lead{color:rgba(255,255,255,.84);font-size:clamp(16px,2vw,20px);margin-top:20px;max-width:760px;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-meta span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);padding:9px 16px;border-radius:8px;color:#fff;font-size:13px;font-weight:600;display:flex}
.hero-meta b{color:var(--gold-soft);font-size:19px;font-weight:800;margin-right:6px;font-family:var(--font-head)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

/* 主内容结构 */
.page-body{position:relative;z-index:3}
.section{margin-top:-30px;position:relative;z-index:4}
.section-box{background:#fff;border:1px solid rgba(225,216,207,.6);border-radius:24px;box-shadow:var(--shadow-sm);padding:clamp(28px,4vw,52px)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:38px}
.sec-head-left{max-width:760px}

/* 账号服务范围 */
.account-service-section{margin-top:-38px;padding-top:96px;position:relative}
.service-layout{display:grid;grid-template-columns:320px 1fr;gap:36px;align-items:stretch}
.service-intro{background:linear-gradient(150deg,#fff,var(--surface-warm));border-radius:var(--radius-lg);border:1px solid var(--line);padding:34px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.service-intro h3{font-size:25px;margin-bottom:14px;position:relative;padding-bottom:14px}
.service-intro h3:after{content:"";width:34px;height:2px;background:var(--gold);position:absolute;left:0;bottom:0}
.service-intro p{color:var(--muted);font-size:15px;margin-bottom:22px}
.service-intro-note{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted)}
.service-intro-note strong{color:var(--brand)}
.service-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;
  transition:box-shadow .25s ease,transform .25s ease,background .3s;
  display:flex;flex-direction:column;
}
.service-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);background:var(--surface-warm)}
.service-item:nth-child(odd){border-top:3px solid var(--brand)}
.service-item:nth-child(even){border-top:3px solid var(--gold)}
.service-num{position:absolute;top:18px;right:20px;font-family:var(--font-head);font-size:16px;color:var(--gold);font-weight:800;letter-spacing:.05em}
.service-item h4{font-size:18px;margin-bottom:8px;color:var(--ink)}
.service-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* 账号处理流程 */
.order-steps{position:relative}
.order-steps::before{content:"";position:absolute;left:26px;top:18px;bottom:18px;width:1px;background:linear-gradient(to bottom,var(--gold),rgba(176,133,78,.2));}
.step-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:24px;padding:14px 0 34px}
.step-item:last-child{padding-bottom:14px}
.step-index{position:relative;z-index:2;width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--gold);display:grid;place-items:center;font-family:var(--font-head);color:var(--brand);font-weight:800;font-size:19px;box-shadow:0 0 0 6px var(--bg)}
.step-content h3{font-size:22px;font-weight:700;margin-bottom:6px}
.step-content p{color:var(--muted);max-width:680px}

/* 服务版块更新列表 */
.notice-section{}
.feed-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;padding:14px 18px;box-shadow:var(--shadow-sm)}
.feed-filter{display:flex;gap:4px;flex-wrap:wrap}
.feed-filter button{font-size:14px;font-weight:600;color:var(--muted);padding:8px 16px;border-radius:30px;transition:background .2s,color .2s}
.feed-filter button:hover{background:rgba(166,27,47,.08);color:var(--brand)}
.feed-filter button.current{background:var(--brand);color:#fff}
.feed-count{font-size:13px;color:var(--muted)}
.feed-list{list-style:none;display:flex;flex-direction:column;gap:22px;margin-top:24px}
.feed-card{
  display:grid;grid-template-columns:minmax(260px,34%) 1fr auto;column-gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  padding-right:22px;box-shadow:var(--shadow-sm);transition:box-shadow .3s ease;
}
.feed-card:hover{box-shadow:var(--shadow-lg)}
.feed-card.is-even{grid-template-columns:1fr minmax(260px,34%);padding-right:0;padding-left:22px}
.feed-card img{width:100%;height:100%;min-height:200px;max-height:230px;object-fit:cover;transition:transform .5s ease}
.feed-card .thumb-wrap{overflow:hidden;height:100%}
.feed-card:hover img{transform:scale(1.04)}
.feed-body{padding:18px 0}
.feed-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:9px}
.feed-badge{background:rgba(166,27,47,.1);color:var(--brand);font-size:12px;font-weight:700;padding:4px 10px;border-radius:4px;border:1px solid rgba(166,27,47,.2)}
.feed-meta time{font-size:13px;color:var(--muted)}
.feed-body h3{font-size:20px;line-height:1.45;margin-bottom:8px}
.feed-body p{color:var(--muted);font-size:14px;line-height:1.75}
.feed-morelink{display:inline-flex;align-items:center;gap:8px;margin-top:14px;color:var(--brand);font-weight:700;font-size:14px}
.feed-morelink span{transition:transform .2s}
.feed-card:hover .feed-morelink span{transform:translateX(4px)}
.feed-wrapper{grid-column:1/4}
.loadmore-area{text-align:center;margin-top:36px}
.loadmore-area .btn-loading:hover{color:var(--brand);background:rgba(166,27,47,.06)}
.empty-state{text-align:center;padding:66px 24px;background:#fff;border:1px dashed var(--line);border-radius:18px;color:var(--muted);display:none}
.empty-state strong{display:block;font-size:19px;color:var(--ink);margin-top:14px;margin-bottom:6px}
.empty-state span{font-size:14px}

/* 会员服务承诺条 */
.promise-band{position:relative;border-radius:26px;overflow:hidden;background:linear-gradient(120deg,#6E1020,#1F1A18 90%);padding:66px 4px}
.promise-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover;opacity:.25}
.promise-inner{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;padding-inline:60px}
.promise-inner h2{color:#fff;font-size:clamp(27px,4vw,40px);line-height:1.4;margin-bottom:16px}
.promise-inner h2 em{font-style:normal;color:#EABD87}
.promise-inner p{color:rgba(255,255,255,.8);max-width:620px;font-size:15px}
.promise-mark{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap;}
.markholder{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);text-align:center;padding:20px 18px 17px;border-radius:14px;color:#fff;width:132px}
.markholder b{font-size:26px;font-family:var(--font-head);color:var(--gold-soft);display:block}
.markholder small{font-size:12px;color:rgba(255,255,255,.75);display:block;line-height:1.4;margin-top:4px}

/* FAQ */
.faq-wrap{max-width:940px;margin-inline:auto}
.faq-list{margin-top:10px}
.faq-list details{border-bottom:1px solid var(--line);background:none}
.faq-list details::before{content:"";display:block;border-top:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:24px 6px 24px 2px;font-size:18px;font-weight:700;color:var(--ink);transition:color .2s;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{
  content:"+";flex:0 0 auto;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--gold);color:var(--gold);font-size:20px;font-weight:400;transition:transform .35s ease,background .2s,color .2s;
}
.faq-list summary:hover, .faq-list details[open] summary{color:var(--brand)}
.faq-answer{padding:0 50px 26px 2px;color:var(--muted);font-size:15px;max-width:860px}
.faq-answer p{margin-bottom:12px}
.faq-answer p:last-child{margin-bottom:0}

/* 页脚前 CTA */
.pre-footer-cta{position:relative;text-align:center;padding:84px 16px;border-radius:30px;background:linear-gradient(140deg,var(--brand),var(--brand-dark) 66%,var(--brand) 100%);overflow:hidden}
.pre-footer-cta::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(176,133,78,.34);filter:blur(90px);top:-160px;right:-80px;z-index:0}
.pre-footer-cta::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.13);filter:blur(70px);left:-105px;bottom:-170px}
.pre-footer-cta .container{position:relative;z-index:2}
.pre-footer-cta h2{color:#fff;font-size:clamp(30px,4.4vw,52px);margin-bottom:14px}
.pre-footer-cta p{color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 30px;font-size:16px}
.pre-footer-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* footer */
.site-footer{background:#19110F;color:rgba(255,255,255,.72);margin-top:110px}
.footer-top{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:44px;padding:76px 0 54px}
.footer-brand h2{color:#fff;font-size:24px;font-weight:800;font-family:var(--font-head);margin-bottom:6px;display:flex;align-items:center;gap:12px}
.footer-brand h2 i{font-style:normal;width:38px;height:38px;border-radius:10px;background:var(--brand);display:grid;place-items:center;font-size:18px;letter-spacing:-.06em}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:280px;margin:18px 0 0}
.footer-col h5{font-size:14px;letter-spacing:.12em;color:#fff;margin-bottom:18px;position:relative;padding-bottom:12px}
.footer-col h5::after{content:"";width:24px;height:2px;background:var(--gold);position:absolute;left:0;bottom:0}
.footer-col li{list-style:none;margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);display:inline-flex;gap:6px;align-items:center;transition:color .2s,padding-left .2s}
.footer-col a::before{content:"›";color:var(--gold);font-weight:700}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact .mini-logo{width:120px;height:120px;background:#fff;border-radius:10px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);box-shadow:0 6px 16px rgba(0,0,0,.2)}
.footer-contact .mini-logo svg{width:72px;height:72px}
.footer-divider{border:none;border-top:1px solid rgba(255,255,255,.1)}
.footer-middle{padding:34px 0;display:flex;align-items:center;flex-wrap:wrap;gap:18px 34px;font-size:13px;color:rgba(255,255,255,.52)}
.footer-middle span{display:inline-flex;align-items:center;gap:6px}
.footer-middle span::before{content:"";width:5px;height:5px;background:var(--gold);display:inline-block;border-radius:50%}
.footer-bottom{padding:20px 0 30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);border-top:1px solid rgba(255,255,255,.1)}

/* 响应式 */
@media(max-width:1024px){
  :root{--pad-section:88px}
  .header-wrap,.nav-wrap{height:72px}
  .main-nav{gap:18px}
  .brand-text{font-size:18px}
  .category-hero h1{font-size:50px}
  .service-layout{grid-template-columns:260px 1fr}
  .service-cards{grid-template-columns:repeat(2,1fr)}
  .promise-inner{grid-template-columns:1fr;padding-inline:40px}
  .promise-mark{justify-content:flex-start}
  .footer-top{grid-template-columns:1fr 1fr}
  .feed-card{grid-template-columns:minmax(210px,36%) 1fr;padding-right:0}
  .feed-card .btn-sm{display:none}
  .feed-card.is-even{grid-template-columns:minmax(210px,36%) 1fr;padding-left:0}
  .feed-card.is-even img{order:2}
  .feed-card.is-even .feed-body{order:1}
}
@media(max-width:764px){
  :root{--pad-section:70px}
  .container{width:min(var(--container),100% - 36px)}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    display:none;position:fixed;top:78px;right:18px;left:18px;z-index:999;
    background:rgba(250,248,245,.98);border:1px solid var(--line);border-radius:18px;
    box-shadow:var(--shadow-lg);padding:10px;flex-direction:column;align-items:stretch;gap:0;
  }
  body.nav-open .main-nav{display:flex}
  .nav-link{padding:14px 18px;border-bottom:1px solid rgba(225,216,207,.7);margin:0}
  .nav-link:last-child{border-bottom:none}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(166,27,47,.09)}
  .category-hero{min-height:80vh;padding-top:110px}
  .category-hero h1{font-size:42px}
  .hero-meta{flex-direction:column;align-items:stretch}
  .service-layout,.feed-card.is-even,.feed-card{grid-template-columns:1fr}
  .feed-card img, .feed-card .thumb-wrap{height:240px}
  .feed-card.is-even img{order:0}
  .feed-card.is-even .feed-body{order:1}
  .promise-inner{padding-inline:24px}
  .promise-mark{justify-content:center}
  .faq-answer{padding:0 2px 20px 0}
  .pre-footer-cta{padding:60px 16px;border-radius:22px}
  .footer-top{grid-template-columns:1fr;padding-top:54px}
  .footer-col{padding:0}
}
@media(max-width:560px){
  .category-hero h1{font-size:34px;line-height:1.2}
  .hero-actions .btn{width:100%}
  .service-cards{grid-template-columns:1fr}
  .service-intro{padding:26px}
  .step-item{grid-template-columns:44px 1fr;gap:16px}
  .step-index{width:44px;height:44px;font-size:16px}
  .step-content h3{font-size:19px}
  .feed-toolbar{flex-direction:column;align-items:flex-start}
  .bread-crumb{font-size:12px}
}