/* roulang page: index */
:root {
  --brand: #6c5ce7;
  --brand-dark: #5a4bd1;
  --brand-deep: #3d2fae;
  --accent: #00cec9;
  --ink: #191d2f;
  --muted: #667085;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --line: #e7eaf3;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(24, 28, 66, .06);
  --shadow: 0 14px 40px rgba(24, 28, 66, .10);
  --shadow-lg: 0 28px 70px rgba(24, 28, 66, .16);
  --grad-main: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
  --grad-accent: linear-gradient(135deg, #00cec9 0%, #6c5ce7 100%);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color .25s;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(108, 92, 231, .35);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: .75rem;
}

.header-left,
.header-right {
  flex: 1;
  display: flex;
  align-items: center;
}

.header-right {
  justify-content: flex-end;
}

.header-logo {
  flex-shrink: 0;
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: .02em;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  line-height: 1.2;
}

.header-logo:hover {
  opacity: .85;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: .2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.h-navlink {
  display: inline-flex;
  align-items: center;
  padding: .55rem 1.05rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .94rem;
  color: var(--muted);
  transition: all .25s var(--ease);
}

.h-navlink:hover {
  color: var(--brand);
  background: rgba(108, 92, 231, .08);
}

.h-navlink.active {
  color: var(--brand);
  background: rgba(108, 92, 231, .1);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--ink);
  transition: all .2s;
}

.menu-toggle:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.menu-toggle .bi-x-lg {
  display: none;
}

.menu-toggle.open .bi-list {
  display: none;
}

.menu-toggle.open .bi-x-lg {
  display: inline;
}

.mobile-menu {
  position: fixed;
  top: 74px;
  right: 0;
  bottom: 0;
  width: 300px;
  background: var(--surface);
  border-left: 1px solid var(--line);
  padding: 1.75rem 1.5rem;
  transform: translateX(100%);
  transition: transform .38s var(--ease);
  z-index: 1090;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu .mm-link {
  display: block;
  padding: .8rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--ink);
  transition: all .2s;
}

.mobile-menu .mm-link:hover,
.mobile-menu .mm-link.active {
  background: rgba(108, 92, 231, .1);
  color: var(--brand);
}

body.menu-open {
  overflow: hidden;
}

body.menu-open::after {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 36, .45);
  z-index: 1080;
  animation: fadeIn .25s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ===== Buttons ===== */
.btn-brand,
.btn-outline-brand,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .72rem 1.55rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .28s var(--ease);
}

.btn-brand {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: 0 8px 22px rgba(108, 92, 231, .28);
}

.btn-brand:hover,
.btn-brand:focus {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(108, 92, 231, .36);
}

.btn-brand:active {
  transform: translateY(0);
  background: var(--brand-deep);
}

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border-color: rgba(255, 255, 255, .32);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover,
.btn-ghost:focus {
  background: rgba(255, 255, 255, .22);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-brand {
  background: transparent;
  color: var(--brand);
  border-color: var(--brand);
}

.btn-outline-brand:hover,
.btn-outline-brand:focus {
  background: var(--brand);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(108, 92, 231, .3);
}

.btn-lg {
  padding: .9rem 2rem;
  font-size: 1.02rem;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 5.5rem 0 4rem;
  background:
    linear-gradient(135deg, rgba(61, 47, 174, .96) 0%, rgba(108, 92, 231, .92) 50%, rgba(0, 206, 201, .78) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  padding: .4rem 1rem;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  backdrop-filter: blur(6px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 206, 201, .25);
}

.hero-title {
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
  margin: 1rem 0 1rem;
  letter-spacing: .02em;
}

.hero-sub {
  color: rgba(255, 255, 255, .86);
  font-size: 1.08rem;
  max-width: 620px;
  margin: 0;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 1.8rem;
}

.hero-stats {
  margin-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, .18);
  padding-top: 1.6rem;
  max-width: 620px;
}

.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.stat-label {
  font-size: .8rem;
  color: rgba(255, 255, 255, .7);
}

.ticket-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, .18), rgba(255, 255, 255, .08));
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 22px;
  padding: 1.8rem;
  color: #fff;
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 60px rgba(12, 10, 34, .35);
  overflow: hidden;
  z-index: 1;
}

.ticket-card::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -70px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .22), transparent 70%);
  z-index: -1;
}

.ticket-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ticket-label {
  font-size: .8rem;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .72);
  font-weight: 700;
}

.ticket-status {
  background: rgba(0, 206, 201, .25);
  color: #fff;
  border: 1px solid rgba(0, 206, 201, .55);
  padding: .22rem .72rem;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 700;
}

.ticket-code {
  font-size: .88rem;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .6);
  margin: 1.1rem 0 .2rem;
  text-transform: uppercase;
}

.ticket-name {
  font-size: 1.22rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.ticket-features {
  list-style: none;
  padding: 0;
  margin: 0 0 .4rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.ticket-features li {
  font-size: .9rem;
  color: rgba(255, 255, 255, .92);
}

.ticket-features li i {
  color: var(--accent);
  margin-right: .4rem;
}

.ticket-note {
  font-size: .72rem;
  color: rgba(255, 255, 255, .5);
  margin: .8rem 0 0;
  text-align: center;
}

@keyframes floatUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  animation: floatUp .5s .1s both;
}

.hero-title {
  animation: floatUp .5s .2s both;
}

.hero-sub {
  animation: floatUp .5s .3s both;
}

.hero-cta {
  animation: floatUp .5s .4s both;
}

.hero-stats {
  animation: floatUp .5s .5s both;
}

.ticket-card {
  animation: floatUp .7s .3s both;
}

/* ===== Sections ===== */
.section {
  padding: 4.75rem 0;
}

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

.section-head {
  text-align: center;
  margin-bottom: 2.75rem;
}

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .24em;
  color: var(--brand);
  margin-bottom: .5rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: .5rem;
}

.section-sub {
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
  font-size: 1rem;
}

/* ===== About ===== */
.about-section {
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') no-repeat right bottom / 460px auto;
  opacity: .06;
  pointer-events: none;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  height: 100%;
}

.about-card img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.about-body {
  padding: 2.5rem;
}

.about-body h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: .6rem;
}

.about-body p {
  color: var(--muted);
  font-size: .95rem;
  margin-bottom: 1.1rem;
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 600;
  font-size: .95rem;
}

.about-list li i {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(108, 92, 231, .12);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
}

/* ===== Category Cards ===== */
.cat-card {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s;
}

.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 92, 231, .35);
}

.cat-card-img {
  width: 42%;
  object-fit: cover;
  min-height: 200px;
}

.cat-card-body {
  flex: 1;
  padding: 1.7rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.cat-tag {
  font-size: .74rem;
  font-weight: 700;
  color: var(--brand);
  background: rgba(108, 92, 231, .1);
  padding: .24rem .7rem;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: .85rem;
}

.cat-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: .5rem;
}

.cat-card-text {
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 1rem;
  flex: 1;
}

.cat-card-link {
  font-weight: 700;
  color: var(--brand);
  font-size: .9rem;
}

.cat-card-link i {
  display: inline-block;
  transition: transform .25s var(--ease);
}

.cat-card:hover .cat-card-link i {
  transform: translateX(5px);
}

/* ===== News List ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-sm);
  transition: all .32s var(--ease);
}

.news-item:hover {
  border-color: rgba(108, 92, 231, .4);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.news-tag {
  flex-shrink: 0;
  font-size: .74rem;
  font-weight: 700;
  color: var(--brand);
  background: rgba(108, 92, 231, .1);
  padding: .26rem .7rem;
  border-radius: 999px;
  white-space: nowrap;
}

.news-body {
  flex: 1;
  min-width: 0;
}

.news-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-excerpt {
  font-size: .85rem;
  color: var(--muted);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-time {
  flex-shrink: 0;
  font-size: .78rem;
  color: var(--muted);
  white-space: nowrap;
}

.news-arrow {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(108, 92, 231, .1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  transition: all .25s var(--ease);
}

.news-item:hover .news-arrow {
  background: var(--brand);
  color: #fff;
  transform: translateX(2px);
}

.news-empty {
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  color: var(--muted);
}

.news-empty i {
  font-size: 2.2rem;
  color: #c3c9d8;
  display: block;
  margin-bottom: .6rem;
}

.news-empty p {
  margin: 0;
}

.side-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.7rem;
  height: 100%;
}

.side-panel-head {
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.1rem;
  color: var(--brand);
}

.side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.side-list li {
  display: flex;
  align-items: flex-start;
  gap: .45rem;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.55;
}

.side-list li i {
  color: var(--accent);
  margin-top: .25rem;
}

/* ===== Feature Cards ===== */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 92, 231, .35);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.15rem;
  box-shadow: 0 10px 20px rgba(108, 92, 231, .25);
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: .45rem;
}

.feature-text {
  font-size: .9rem;
  color: var(--muted);
  margin: 0;
}

/* ===== Timeline ===== */
.timeline-section {
  background:
    linear-gradient(135deg, rgba(25, 26, 45, .97) 0%, rgba(42, 34, 86, .94) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
}

.timeline-section .eyebrow {
  color: var(--accent);
}

.timeline-section .section-sub {
  color: rgba(255, 255, 255, .7);
}

.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding-left: 2.1rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, .08));
}

.timeline-item {
  position: relative;
  padding: 0 0 2.1rem 1.6rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.1rem;
  top: .5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 0 0 4px rgba(0, 206, 201, .25);
}

.timeline-version {
  display: inline-block;
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--accent);
  letter-spacing: .04em;
  margin-bottom: .3rem;
}

.timeline-desc {
  color: rgba(255, 255, 255, .72);
  font-size: .92rem;
  margin: 0;
}

/* ===== Steps ===== */
.step-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem 1.5rem;
  text-align: center;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.step-num {
  width: 58px;
  height: 58px;
  margin: 0 auto 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--grad-main);
  color: #fff;
  font-weight: 800;
  font-size: 1.4rem;
  box-shadow: 0 12px 24px rgba(108, 92, 231, .3);
}

.step-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: .45rem;
}

.step-text {
  font-size: .88rem;
  color: var(--muted);
  margin: 0;
}

/* ===== FAQ ===== */
.faq-accordion {
  max-width: 880px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: var(--radius) !important;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  background: var(--surface);
}

.faq-accordion .accordion-button {
  font-weight: 700;
  padding: 1.1rem 1.4rem;
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
  font-size: .98rem;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: rgba(108, 92, 231, .06);
  color: var(--brand);
}

.faq-accordion .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(108, 92, 231, .15);
}

.faq-accordion .accordion-body {
  padding: 1.2rem 1.4rem;
  color: var(--muted);
  font-size: .93rem;
}

/* ===== CTA ===== */
.cta-section {
  padding: 2.5rem 0 4.75rem;
}

.cta-block {
  background:
    linear-gradient(135deg, rgba(74, 63, 191, .94) 0%, rgba(0, 206, 201, .82) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius: 24px;
  padding: 3.5rem 2.5rem;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  top: -90px;
  left: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 70%);
}

.cta-title {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: .6rem;
}

.cta-sub {
  color: rgba(255, 255, 255, .88);
  max-width: 620px;
  margin: 0 auto 1.8rem;
  font-size: 1rem;
}

/* ===== Footer ===== */
.site-footer {
  background: #161927;
  color: #9aa3b8;
  padding: 3.5rem 0 1.6rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  font-size: 1.32rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .02em;
}

.footer-desc {
  color: #7c87a1;
  font-size: .9rem;
  max-width: 460px;
  margin-top: .4rem;
  margin-bottom: 0;
}

.footer-nav a {
  color: #9aa3b8;
  margin: 0 0 0 1.6rem;
  font-size: .92rem;
  font-weight: 600;
  transition: color .25s;
}

.footer-nav a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  margin-top: 2.3rem;
  padding-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .6rem;
  font-size: .82rem;
  color: #6f7a93;
}

.footer-bottom a {
  color: #8f9ab2;
}

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

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero {
    padding: 4rem 0 3.2rem;
  }

  .header-logo {
    font-size: 1.15rem;
  }

  .ticket-card {
    margin-top: 2rem;
  }
}

@media (max-width: 767.98px) {
  .hero {
    text-align: center;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    margin-left: auto;
    margin-right: auto;
  }

  .stat-num {
    font-size: 1.2rem;
  }

  .about-body {
    padding: 1.8rem;
  }

  .cat-card {
    flex-direction: column;
  }

  .cat-card-img {
    width: 100%;
    height: 180px;
    min-height: 0;
  }

  .news-item {
    flex-wrap: wrap;
  }

  .news-title,
  .news-excerpt {
    white-space: normal;
  }

  .news-time {
    width: 100%;
    order: 3;
    font-size: .76rem;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav a {
    margin: 0 1.4rem 0 0;
  }

  .cta-block {
    padding: 2.4rem 1.4rem;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .ticket-card {
    padding: 1.4rem;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .btn-lg {
    padding: .85rem 1.6rem;
    font-size: .95rem;
  }

  .timeline {
    padding-left: 1.6rem;
  }

  .timeline-item {
    padding-left: 1.2rem;
  }

  .timeline-item::before {
    left: -1.55rem;
  }
}

/* roulang page: category1 */
:root {
    --primary: #3B5BFD;
    --primary-dark: #2E47C7;
    --primary-soft: #EDF1FF;
    --accent: #FF7A45;
    --accent-soft: #FFF1E9;
    --gold: #F6C453;
    --deep: #10142B;
    --deep-2: #1A2040;
    --bg-soft: #F5F7FC;
    --surface: #FFFFFF;
    --text-dark: #232946;
    --text-body: #4C5267;
    --text-muted: #7A8097;
    --border: #E7EAF4;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 14px rgba(20, 26, 60, 0.06);
    --shadow-md: 0 12px 32px rgba(20, 26, 60, 0.10);
    --shadow-lg: 0 24px 60px rgba(20, 26, 60, 0.16);
    --space: 76px;
    --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-body);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

  a:hover {
    color: var(--primary-dark);
  }

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

  button,
  input,
  select,
  textarea {
    font-family: inherit;
    font-size: inherit;
  }

  .container {
    max-width: 1200px;
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(231, 234, 244, 0.8);
    box-shadow: var(--shadow-sm);
  }

  .header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 74px;
    position: relative;
  }

  .brand-logo {
    font-size: 1.42rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary) 10%, var(--accent) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    padding: 0 14px;
    transition: opacity 0.2s;
  }

  .brand-logo:hover {
    opacity: 0.82;
    color: transparent;
  }

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

  .main-nav-left {
    justify-content: flex-end;
    padding-right: 18px;
  }

  .main-nav-right {
    justify-content: flex-start;
    padding-left: 18px;
  }

  .main-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-dark);
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.2s ease;
  }

  .main-nav a:hover {
    color: var(--primary);
    background: var(--primary-soft);
  }

  .main-nav a.active {
    color: var(--primary);
    background: var(--primary-soft);
    border-color: rgba(59, 91, 253, 0.18);
  }

  .main-nav a.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    box-shadow: 0 6px 18px rgba(59, 91, 253, 0.3);
  }

  .main-nav a.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(59, 91, 253, 0.36);
    color: #fff;
  }

  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    padding: 0;
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: 0.25s ease;
  }

  .nav-toggle:hover {
    border-color: var(--primary);
  }

  .mobile-menu {
    display: none;
    flex-direction: column;
    padding: 14px 22px 24px;
    background: #fff;
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .mobile-menu a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    font-weight: 600;
    color: var(--text-dark);
    border: 1px solid transparent;
  }

  .mobile-menu a:hover {
    background: var(--primary-soft);
    color: var(--primary);
  }

  .mobile-menu a.active {
    background: var(--primary-soft);
    color: var(--primary);
  }

  .mobile-menu.open {
    display: flex;
  }

  /* ===== Hero / Banner ===== */
  .cat-hero {
    position: relative;
    padding: 120px 0 110px;
    background: var(--deep);
    color: #fff;
    overflow: hidden;
    isolation: isolate;
  }

  .cat-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.32;
    z-index: -2;
  }

  .cat-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(16, 20, 43, 0.96) 0%, rgba(16, 20, 43, 0.72) 50%, rgba(20, 26, 64, 0.88) 100%);
    z-index: -1;
  }

  .cat-hero-inner {
    position: relative;
    z-index: 1;
  }

  .breadcrumb-wrap {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 26px;
  }

  .breadcrumb-wrap a {
    color: rgba(255, 255, 255, 0.72);
    font-weight: 500;
  }

  .breadcrumb-wrap a:hover {
    color: #fff;
  }

  .breadcrumb-wrap .sep {
    margin: 0 10px;
    opacity: 0.5;
  }

  .breadcrumb-wrap .current {
    color: #fff;
    font-weight: 600;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), #6E8BFF);
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 8px 20px rgba(59, 91, 253, 0.35);
    margin-bottom: 20px;
  }

  .cat-hero h1 {
    font-size: clamp(2rem, 4.6vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.18;
    margin-bottom: 18px;
    color: #fff;
  }

  .hero-lead {
    font-size: 1.12rem;
    max-width: 660px;
    color: rgba(255, 255, 255, 0.86);
    margin-bottom: 32px;
    line-height: 1.85;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 44px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    padding: 10px 22px;
    transition: all 0.25s ease;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 8px 22px rgba(59, 91, 253, 0.32);
  }

  .btn-primary:hover,
  .btn-primary:focus {
    background: linear-gradient(135deg, var(--primary-dark), #2538A0);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(59, 91, 253, 0.4);
  }

  .btn-outline-light {
    border: 1.5px solid rgba(255, 255, 255, 0.52);
    color: #fff;
    background: transparent;
  }

  .btn-outline-light:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
  }

  .btn-accent {
    background: linear-gradient(135deg, var(--accent), #FF9E6A);
    color: #fff;
    box-shadow: 0 8px 22px rgba(255, 122, 69, 0.34);
  }

  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 122, 69, 0.42);
    color: #fff;
  }

  .hero-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .hero-notes span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.86rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.86);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 7px 14px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
  }

  .hero-notes span i {
    color: var(--gold);
    font-size: 0.8rem;
  }

  /* ===== Section base ===== */
  .section {
    padding: var(--space) 0;
  }

  .section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 52px;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
  }

  .section-head h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-dark);
    margin-bottom: 14px;
    line-height: 1.3;
  }

  .section-head p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 0;
  }

  /* ===== Intro ===== */
  .intro-section {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }

  .intro-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
  }

  .intro-section .section-tag {
    margin-bottom: 16px;
  }

  .intro-section h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
  }

  .intro-section .lead-text {
    color: var(--text-body);
    margin-bottom: 24px;
  }

  .feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: grid;
    gap: 12px;
  }

  .feature-list li {
    position: relative;
    padding-left: 32px;
    font-weight: 500;
    color: var(--text-dark);
  }

  .feature-list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 50%;
    font-size: 0.7rem;
  }

  .intro-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    border-top: 1px solid var(--border);
    padding-top: 22px;
  }

  .intro-facts .fact-item {
    text-align: left;
  }

  .intro-facts .fact-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .intro-facts .fact-label {
    font-size: 0.86rem;
    color: var(--text-muted);
    font-weight: 500;
  }

  /* ===== Ticket Section ===== */
  .ticket-section {
    background: var(--bg-soft);
  }

  .ticket-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .ticket-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }

  .ticket-card .ticket-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px 14px;
  }

  .ticket-date {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .ticket-date-circle {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.15;
    font-weight: 800;
  }

  .ticket-date-circle .d-day {
    font-size: 1.25rem;
  }

  .ticket-date-circle .d-label {
    font-size: 0.62rem;
    font-weight: 600;
    opacity: 0.72;
    letter-spacing: 0.04em;
  }

  .ticket-date-info .t-version {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1.02rem;
    display: block;
    line-height: 1.3;
  }

  .ticket-date-info .t-desc {
    font-size: 0.76rem;
    color: var(--text-muted);
  }

  .ticket-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 5px 11px;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), #FF9E6A);
    box-shadow: 0 4px 12px rgba(255, 122, 69, 0.3);
  }

  .ticket-badge.hot {
    background: linear-gradient(135deg, var(--primary), #7A93FF);
    box-shadow: 0 4px 12px rgba(59, 91, 253, 0.3);
  }

  .ticket-body {
    padding: 12px 22px 18px;
    flex: 1;
  }

  .ticket-body h3 {
    font-size: 1.32rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
  }

  .ticket-body .ticket-lead {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 16px;
  }

  .ticket-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
  }

  .ticket-points li {
    position: relative;
    padding-left: 24px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-body);
  }

  .ticket-points li::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 400;
    position: absolute;
    left: 0;
    top: 1px;
    color: var(--primary);
    font-size: 0.82rem;
  }

  .ticket-stub {
    position: relative;
    margin-top: 16px;
    padding: 16px 22px;
    background: var(--bg-soft);
    border-top: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  .ticket-stub::before,
  .ticket-stub::after {
    content: "";
    position: absolute;
    top: -14px;
    width: 28px;
    height: 28px;
    background: var(--bg-soft);
    border-radius: 50%;
    border: 1px solid var(--border);
    border-top-color: transparent;
    border-right-color: transparent;
  }

  .ticket-stub::before {
    left: -14px;
    transform: rotate(-45deg);
  }

  .ticket-stub::after {
    right: -14px;
    transform: rotate(135deg);
  }

  .ticket-stub .stub-text {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .ticket-stub .stub-text i {
    color: var(--accent);
  }

  .ticket-stub .btn {
    padding: 7px 18px;
    font-size: 0.84rem;
    border-radius: 999px;
  }

  /* ===== Timeline 版本节奏 ===== */
  .timeline-section {
    background: var(--deep);
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .timeline-section .section-head h2,
  .timeline-section .section-head .section-tag {
    position: relative;
    z-index: 1;
  }

  .timeline-section .section-head p {
    color: rgba(255, 255, 255, 0.75);
  }

  .timeline-section .section-tag {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
  }

  .timeline-wrap {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
  }

  .timeline-item {
    position: relative;
    padding-left: 44px;
    padding-bottom: 40px;
  }

  .timeline-item:last-child {
    padding-bottom: 0;
  }

  .timeline-item::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 6px;
    bottom: -6px;
    width: 2px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.08));
  }

  .timeline-item:last-child::before {
    display: none;
  }

  .timeline-dot {
    position: absolute;
    left: 0;
    top: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--deep-2);
    border: 3px solid var(--gold);
    box-shadow: 0 0 0 6px rgba(246, 196, 83, 0.14);
  }

  .timeline-content {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 20px 24px;
    backdrop-filter: blur(8px);
    transition: background 0.25s ease, transform 0.25s ease;
  }

  .timeline-content:hover {
    background: rgba(255, 255, 255, 0.11);
    transform: translateX(4px);
  }

  .timeline-content .tl-title {
    font-size: 1.12rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
  }

  .timeline-content .tl-phase {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.04em;
    margin-bottom: 8px;
    display: block;
  }

  .timeline-content p {
    margin: 0;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.72);
  }

  /* ===== Compare Table ===== */
  .compare-section {
    background: var(--surface);
  }

  .table-wrap {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    background: #fff;
  }

  .compare-table {
    width: 100%;
    min-width: 760px;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
    font-size: 0.95rem;
  }

  .compare-table thead th {
    background: var(--deep);
    color: #fff;
    font-weight: 700;
    padding: 18px 22px;
    font-size: 0.94rem;
    border: none;
    white-space: nowrap;
  }

  .compare-table thead th:first-child {
    border-top-left-radius: 16px;
  }

  .compare-table thead th:last-child {
    border-top-right-radius: 16px;
  }

  .compare-table tbody td {
    padding: 16px 22px;
    border-bottom: 1px solid var(--border);
    color: var(--text-body);
    vertical-align: middle;
  }

  .compare-table tbody tr:last-child td {
    border-bottom: none;
  }

  .compare-table tbody tr:hover td {
    background: var(--bg-soft);
  }

  .compare-table .dim-label {
    font-weight: 700;
    color: var(--text-dark);
    white-space: nowrap;
  }

  .compare-table .icon-yes {
    color: var(--primary);
    font-size: 1rem;
  }

  .compare-table .icon-no {
    color: #CBD2E6;
    font-size: 0.9rem;
  }

  .compare-table .tag-compare {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 700;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 999px;
    padding: 4px 12px;
  }

  /* ===== Updates ===== */
  .updates-section {
    background: var(--bg-soft);
  }

  .update-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 34px;
    box-shadow: var(--shadow-md);
    height: 100%;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .update-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }

  .update-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
  }

  .update-card .up-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    background: var(--primary-soft);
    color: var(--primary);
    margin-bottom: 20px;
  }

  .update-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
  }

  .update-card p {
    font-size: 0.94rem;
    color: var(--text-muted);
    margin-bottom: 20px;
  }

  .update-card .update-link {
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .update-list {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 12px 30px;
    height: 100%;
  }

  .update-list .list-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding: 20px 0 14px;
  }

  .update-list .list-head h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-dark);
  }

  .update-list .list-head span {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
  }

  .update-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .update-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
  }

  .update-list li:last-child {
    border-bottom: none;
  }

  .update-list li .up-time {
    flex-shrink: 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-soft);
    border-radius: 999px;
    padding: 4px 12px;
    margin-top: 2px;
    white-space: nowrap;
  }

  .update-list li .up-txt {
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.6;
  }

  .update-list li .up-txt a {
    font-weight: 600;
    color: var(--text-dark);
  }

  .update-list li .up-txt a:hover {
    color: var(--primary);
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--surface);
  }

  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .faq-item:hover {
    border-color: rgba(59, 91, 253, 0.3);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 21px 26px;
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1rem;
  }

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

  .faq-item summary .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
  }

  .faq-item details[open] summary .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
  }

  .faq-item .faq-answer {
    padding: 0 26px 22px;
    color: var(--text-muted);
    font-size: 0.94rem;
    line-height: 1.85;
    border-top: 1px dashed var(--border);
    margin: 0;
  }

  .faq-item .faq-answer p {
    margin: 16px 0 0;
  }

  /* ===== CTA ===== */
  .cta-section {
    padding: var(--space) 0;
    background: var(--bg-soft);
  }

  .cta-box {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    padding: 70px 60px;
    background: var(--deep);
    text-align: center;
    isolation: isolate;
  }

  .cta-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("/assets/images/backpic/back-1.png") center / cover no-repeat;
    opacity: 0.22;
    z-index: -1;
  }

  .cta-box::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(59, 91, 253, 0.65), rgba(16, 20, 43, 0.92) 60%);
    z-index: -1;
  }

  .cta-box h2 {
    color: #fff;
    font-size: clamp(1.7rem, 3.4vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
  }

  .cta-box p {
    color: rgba(255, 255, 255, 0.82);
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
  }

  .cta-box .btn {
    margin: 0 6px;
  }

  .cta-tips {
    margin-top: 24px;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
  }

  .cta-tips span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .cta-tips i {
    color: var(--gold);
    font-size: 0.75rem;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 28px;
  }

  .footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
  }

  .footer-desc {
    margin: 12px 0 0;
    font-size: 0.9rem;
    max-width: 380px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.75;
  }

  .footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    transition: all 0.2s ease;
  }

  .footer-nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 24px;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.5);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
  }

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

  /* ===== Responsive ===== */
  @media (max-width: 991px) {
    :root {
      --space: 58px;
    }

    .header-inner {
      grid-template-columns: 1fr auto;
      min-height: 68px;
    }

    .main-nav {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .brand-logo {
      font-size: 1.2rem;
      justify-self: center;
      padding: 0;
    }

    .cat-hero {
      padding: 90px 0 80px;
    }

    .timeline-content {
      padding: 18px 20px;
    }

    .cta-box {
      padding: 50px 24px;
    }
  }

  @media (max-width: 768px) {
    .section {
      padding: 48px 0;
    }

    .cat-hero h1 {
      font-size: 2rem;
    }

    .hero-lead {
      font-size: 1rem;
    }

    .hero-actions .btn {
      padding: 10px 20px;
      font-size: 0.92rem;
    }

    .intro-section h2 {
      font-size: 1.6rem;
    }

    .intro-facts .fact-num {
      font-size: 1.4rem;
    }

    .ticket-stub {
      flex-direction: column;
      align-items: flex-start;
    }

    .ticket-stub .btn {
      width: 100%;
    }

    .footer-top {
      flex-direction: column;
      gap: 24px;
    }

    .footer-nav {
      width: 100%;
    }

    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }

    .update-list li {
      flex-direction: column;
      gap: 8px;
    }
  }

  @media (max-width: 520px) {
    :root {
      --space: 40px;
    }

    .brand-logo {
      font-size: 1rem;
    }

    .cat-hero {
      padding: 66px 0 56px;
    }

    .cat-hero h1 {
      font-size: 1.7rem;
    }

    .hero-lead {
      font-size: 0.92rem;
    }

    .hero-notes span {
      font-size: 0.78rem;
      padding: 6px 12px;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .hero-actions .btn {
      width: 100%;
    }

    .section-head {
      margin-bottom: 36px;
    }

    .section-head h2 {
      font-size: 1.45rem;
    }

    .section-tag {
      font-size: 0.76rem;
    }

    .intro-facts {
      gap: 18px;
    }

    .ticket-card .ticket-body h3 {
      font-size: 1.15rem;
    }

    .compare-table {
      font-size: 0.85rem;
    }

    .compare-table thead th {
      padding: 14px 14px;
      font-size: 0.82rem;
    }

    .compare-table tbody td {
      padding: 12px 14px;
    }

    .update-card {
      padding: 26px 22px;
    }

    .update-list {
      padding: 10px 18px;
    }

    .faq-item summary {
      padding: 18px 18px;
      font-size: 0.92rem;
    }

    .faq-item .faq-answer {
      padding: 0 18px 18px;
      font-size: 0.88rem;
    }

    .cta-box {
      padding: 40px 20px;
      border-radius: 24px;
    }

    .cta-box p {
      font-size: 0.92rem;
    }

    .cta-tips {
      flex-direction: column;
      gap: 8px;
    }

    .footer-nav a {
      padding: 8px 12px;
      font-size: 0.84rem;
    }
  }

  /* Focus accessibility */
  a:focus-visible,
  button:focus-visible,
  summary:focus-visible {
    outline: 3px solid rgba(59, 91, 253, 0.45);
    outline-offset: 3px;
    border-radius: 8px;
  }

/* roulang page: article */
:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #EEF2FF;
  --accent: #F59E0B;
  --accent-light: #FEF3C7;
  --dark: #0F172A;
  --dark-2: #1E293B;
  --body-bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #1E293B;
  --text-light: #64748B;
  --text-mute: #94A3B8;
  --border: #E2E8F0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(79, 70, 229, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --transition: all 0.3s ease;
  --section-pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.75; color: var(--text); background: var(--body-bg); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
ul, ol { padding-left: 1.3em; }

.container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.94); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(226,232,240,0.85); padding: 14px 0; transition: var(--transition); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; position: relative; }
.header-logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 21px; color: var(--text); letter-spacing: -0.5px; flex-shrink: 0; }
.logo-icon { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; background: linear-gradient(135deg, var(--primary), #7C3AED); border-radius: 12px; color: #fff; font-size: 18px; box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25); }
.header-nav { display: flex; align-items: center; gap: 4px; }
.header-nav-link { display: inline-flex; align-items: center; padding: 10px 16px; border-radius: 10px; font-weight: 500; color: var(--text-light); font-size: 15px; position: relative; }
.header-nav-link:hover { color: var(--primary); background: var(--primary-light); }
.header-nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 4px; }
.header-cta-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; background: linear-gradient(135deg, var(--primary), #7C3AED); color: #fff; border-radius: 10px; font-weight: 600; font-size: 14px; box-shadow: 0 4px 16px rgba(79, 70, 229, 0.28); margin-left: 8px; border: none; cursor: pointer; }
.header-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(79, 70, 229, 0.4); color: #fff; }
.mobile-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); cursor: pointer; padding: 8px 10px; border-radius: 8px; }
.mobile-toggle:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-panel { padding: 12px 24px 20px; border-top: 1px solid var(--border); background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); }
.mobile-nav-panel a { display: flex; align-items: center; gap: 12px; padding: 14px 4px; border-bottom: 1px solid #F1F5F9; font-weight: 500; color: var(--text); font-size: 16px; }
.mobile-nav-panel a:last-child { border-bottom: none; }
.mobile-nav-panel a i { width: 20px; color: var(--primary); }

.article-hero { background: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(79,70,229,0.78) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 72px 0 68px; color: #fff; position: relative; overflow: hidden; }
.article-hero::before { content: ''; position: absolute; top: -60px; right: -60px; width: 260px; height: 260px; background: radial-gradient(circle, rgba(245,158,11,0.3), transparent 70%); border-radius: 50%; }
.article-hero-inner { max-width: 860px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.breadcrumb-nav { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 22px; font-size: 14px; color: rgba(255,255,255,0.6); flex-wrap: wrap; }
.breadcrumb-nav a { color: rgba(255,255,255,0.85); }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-sep { font-size: 12px; color: rgba(255,255,255,0.4); }
.breadcrumb-current { color: rgba(255,255,255,0.9); }
.article-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #0F172A; padding: 7px 18px; border-radius: 24px; font-size: 13px; font-weight: 600; margin-bottom: 18px; box-shadow: 0 4px 16px rgba(245,158,11,0.35); }
.article-hero h1 { font-size: 40px; font-weight: 800; line-height: 1.28; margin-bottom: 22px; text-shadow: 0 2px 16px rgba(0,0,0,0.18); letter-spacing: -0.5px; }
.hero-subtitle { font-size: 16px; color: rgba(255,255,255,0.7); margin-top: 8px; }
.article-meta { display: flex; justify-content: center; gap: 22px; font-size: 14px; color: rgba(255,255,255,0.75); flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { opacity: 0.7; }

.article-meta-tickets { display: flex; justify-content: center; gap: 16px; margin-top: 28px; flex-wrap: wrap; }
.meta-ticket { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,0.12); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.18); border-radius: 14px; padding: 12px 20px; min-width: 150px; text-align: left; }
.meta-ticket .ticket-icon { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 15px; color: #fff; flex-shrink: 0; }
.meta-ticket .ticket-label { display: block; font-size: 12px; color: rgba(255,255,255,0.6); line-height: 1.2; }
.meta-ticket .ticket-value { display: block; font-size: 15px; font-weight: 600; color: #fff; line-height: 1.4; }

.section-pad { padding: var(--section-pad) 0; }
.article-main-section { padding: 56px 0 64px; }
.article-container { max-width: 800px; margin: 0 auto; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 48px 56px; border: 1px solid var(--border); }
.article-body { font-size: 17px; line-height: 1.9; color: var(--text); }
.article-body p { margin-bottom: 1.5em; }
.article-body h2 { font-size: 26px; font-weight: 700; margin-top: 2em; margin-bottom: 1em; padding-bottom: 8px; border-bottom: 2px solid var(--primary-light); letter-spacing: -0.3px; }
.article-body h3 { font-size: 21px; font-weight: 600; margin-top: 1.8em; margin-bottom: 0.8em; }
.article-body h4 { font-size: 18px; font-weight: 600; margin-top: 1.5em; margin-bottom: 0.6em; }
.article-body img { border-radius: var(--radius); margin: 2em 0; box-shadow: var(--shadow); }
.article-body ul, .article-body ol { margin-bottom: 1.5em; padding-left: 1.6em; }
.article-body li { margin-bottom: 0.5em; }
.article-body blockquote { border-left: 4px solid var(--primary); background: var(--primary-light); padding: 16px 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 2em 0; color: var(--dark-2); font-style: italic; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary-dark); }
.article-body table { width: 100%; border-collapse: collapse; margin: 2em 0; font-size: 15px; }
.article-body th { background: var(--primary-light); padding: 12px 16px; text-align: left; font-weight: 600; border: 1px solid var(--border); }
.article-body td { padding: 10px 16px; border: 1px solid var(--border); }
.article-body pre { background: var(--dark); color: #e2e8f0; padding: 20px; border-radius: var(--radius-sm); overflow-x: auto; margin: 1.5em 0; font-size: 14px; }

.article-footer-info { margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--border); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.article-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: var(--primary-light); color: var(--primary); border-radius: 8px; font-size: 13px; font-weight: 500; }
.article-tag:hover { background: var(--primary); color: #fff; }
.article-share-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.article-share-label { font-size: 14px; color: var(--text-light); display: flex; align-items: center; gap: 10px; }
.share-btn { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--body-bg); border: 1px solid var(--border); color: var(--text-light); transition: var(--transition); }
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.back-home-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 500; font-size: 14px; }
.back-home-link:hover { gap: 10px; }

.article-not-found-content { text-align: center; padding: 30px 0 40px; }
.article-not-found-content i { font-size: 56px; color: var(--text-mute); margin-bottom: 16px; display: block; }
.article-not-found-content p { color: var(--text-light); font-size: 16px; margin-bottom: 24px; }

.btn-custom-primary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; background: linear-gradient(135deg, var(--primary), #7C3AED); color: #fff !important; border-radius: 12px; font-weight: 600; font-size: 15px; border: none; box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3); transition: var(--transition); text-decoration: none !important; }
.btn-custom-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(79, 70, 229, 0.42); color: #fff; }
.btn-custom-light { display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.4); border-radius: 12px; font-weight: 600; font-size: 15px; backdrop-filter: blur(10px); transition: var(--transition); }
.btn-custom-light:hover { background: rgba(255,255,255,0.25); color: #fff; border-color: rgba(255,255,255,0.7); }

.related-section { background: var(--body-bg); padding: 64px 0; border-top: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-light); color: var(--primary); padding: 6px 18px; border-radius: 24px; font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
.section-head p { color: var(--text-light); margin-top: 8px; font-size: 16px; }
.related-card { display: block; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05); border: 1px solid var(--border); transition: var(--transition); height: 100%; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.related-card-img { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-badge { position: absolute; top: 12px; left: 12px; background: rgba(79, 70, 229, 0.9); color: #fff; padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; backdrop-filter: blur(8px); }
.related-card-body { padding: 22px 24px 24px; }
.related-card-body h4 { font-size: 17px; font-weight: 600; line-height: 1.45; margin-bottom: 10px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-mute); }
.related-meta i { margin-right: 4px; }
.empty-text { text-align: center; padding: 40px 0; color: var(--text-light); font-size: 16px; }

.cta-section { padding: 64px 0; background: linear-gradient(135deg, var(--dark) 0%, #1E1B4B 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: 0; right: 0; width: 400px; height: 400px; background: radial-gradient(circle, rgba(79, 70, 229, 0.3), transparent 70%); }
.cta-section::after { content: ''; position: absolute; bottom: 0; left: 0; width: 300px; height: 300px; background: radial-gradient(circle, rgba(245, 158, 11, 0.15), transparent 70%); }
.cta-box { text-align: center; position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-box h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: -0.5px; }
.cta-box p { font-size: 17px; color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.cta-box .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

.faq-section { padding: 64px 0; background: var(--white); }
.faq-section .section-head { margin-bottom: 40px; }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--body-bg); border: 1px solid var(--border); border-radius: 14px; margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(79, 70, 229, 0.08); }
.faq-item h3 { margin: 0; }
.faq-item h3 button { background: transparent; border: none; width: 100%; text-align: left; padding: 18px 22px; font-size: 16px; font-weight: 600; color: var(--text); display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; border-radius: 14px; transition: var(--transition); }
.faq-item h3 button:hover { color: var(--primary); }
.faq-item h3 button .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; transition: var(--transition); }
.faq-item h3 button[aria-expanded="true"] .faq-icon { background: var(--primary); color: #fff; transform: rotate(180deg); }
.faq-item .faq-body { padding: 0 22px 18px; font-size: 15px; color: var(--text-light); line-height: 1.7; }

.site-footer { background: var(--dark); color: rgba(255,255,255,0.75); padding: 60px 0 28px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 40px; }
.footer-brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand .brand-icon { margin-right: 8px; color: var(--accent); }
.footer-desc { font-size: 15px; color: rgba(255,255,255,0.6); max-width: 400px; line-height: 1.7; }
.footer-nav { display: flex; gap: 28px; flex-wrap: wrap; align-items: center; }
.footer-nav a { color: rgba(255,255,255,0.7); font-size: 15px; font-weight: 500; padding: 6px 0; position: relative; }
.footer-nav a:hover { color: #fff; }
.footer-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.footer-nav a:hover::after { width: 100%; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 14px; color: rgba(255,255,255,0.5); flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 1024px) {
  .header-nav { gap: 2px; }
  .header-nav-link { padding: 8px 12px; font-size: 14px; }
  .header-logo { font-size: 19px; }
  .article-hero h1 { font-size: 34px; }
  .section-head h2 { font-size: 28px; }
  .cta-box h2 { font-size: 30px; }
}
@media (max-width: 768px) {
  .header-nav-left, .header-nav-right { display: none !important; }
  .mobile-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-inner { justify-content: center; }
  .header-logo { font-size: 18px; }
  .logo-icon { width: 36px; height: 36px; font-size: 15px; }
  .article-hero { padding: 48px 0 44px; }
  .article-hero h1 { font-size: 28px; }
  .article-container { padding: 32px 24px; border-radius: 16px; }
  .article-body { font-size: 16px; }
  .article-meta { gap: 12px; font-size: 13px; flex-wrap: wrap; }
  .meta-ticket { min-width: 120px; padding: 10px 14px; }
  .section-pad { --section-pad: 56px; }
  .related-section, .faq-section, .cta-section { padding: 48px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 24px; }
  .cta-box h2 { font-size: 26px; }
  .footer-top { flex-direction: column; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-nav { gap: 16px; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .article-hero h1 { font-size: 22px; line-height: 1.35; }
  .article-meta-tickets { flex-direction: column; align-items: center; }
  .meta-ticket { width: 100%; max-width: 260px; }
  .article-container { padding: 24px 18px; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 18px; }
  .article-share-row { flex-direction: column; align-items: flex-start; }
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-box h2 { font-size: 22px; }
  .section-head h2 { font-size: 22px; }
  .footer-brand { font-size: 19px; }
}

/* roulang page: category2 */
:root {
            --primary: #6d5ef2;
            --primary-rgb: 109, 94, 242;
            --secondary: #ff8a5c;
            --secondary-rgb: 255, 138, 92;
            --dark: #171a2b;
            --dark-light: #232741;
            --bg: #f6f7fc;
            --white: #ffffff;
            --text: #2d3436;
            --muted: #636e72;
            --border: #e8eaf0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 40px rgba(0, 0, 0, .07);
            --shadow-hover: 0 20px 50px rgba(0, 0, 0, .12);
            --spacer: 96px;
            --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

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

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ======= Header / Nav ======= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 24px rgba(0, 0, 0, .04);
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 16px;
        }

        .header-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: .5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .header-logo i {
            color: var(--primary);
            font-size: 22px;
        }

        .header-left,
        .header-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-link {
            padding: 8px 14px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            border-radius: 999px;
            transition: all .25s ease;
        }

        .header-link:hover {
            color: var(--primary);
            background: rgba(var(--primary-rgb), .08);
        }

        .header-link.active {
            color: var(--white);
            background: var(--primary);
            box-shadow: 0 6px 18px rgba(var(--primary-rgb), .35);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--secondary), #ff6b4a);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border: none;
            box-shadow: 0 8px 22px rgba(var(--secondary-rgb), .35);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(var(--secondary-rgb), .45);
            color: #fff;
        }

        .header-toggler {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--dark);
            font-size: 20px;
            transition: all .25s ease;
        }

        .header-toggler:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .header-collapse-menu {
            padding: 12px 0 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .header-mobile-link {
            padding: 12px 16px;
            font-weight: 600;
            color: var(--text);
            border-radius: 12px;
            transition: background .25s ease;
        }

        .header-mobile-link:hover {
            background: rgba(var(--primary-rgb), .08);
            color: var(--primary);
        }

        .header-mobile-link.active {
            background: var(--primary);
            color: #fff;
        }

        /* ======= Hero ======= */
        .page-hero {
            position: relative;
            padding: 120px 0 110px;
            background: linear-gradient(135deg, rgba(23, 26, 43, .88), rgba(37, 33, 84, .78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: 40px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(var(--secondary-rgb), .30), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }

        .hero-badge i {
            color: #ffd96a;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            border: none;
            transition: all .25s ease;
            line-height: 1.2;
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 30px rgba(var(--primary-rgb), .35);
        }

        .btn-primary-custom:hover {
            background: #5b4de0;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(var(--primary-rgb), .45);
        }

        .btn-outline-custom {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            backdrop-filter: blur(6px);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, .22);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            max-width: 560px;
            margin-top: 50px;
        }

        .hero-stat {
            padding: 20px 20px 18px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .10);
            border: 1px solid rgba(255, 255, 255, .16);
            backdrop-filter: blur(8px);
            text-align: center;
            transition: transform .25s ease, background .25s ease;
        }

        .hero-stat:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, .16);
        }

        .hero-stat strong {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 13px;
            color: rgba(255, 255, 255, .78);
            font-weight: 500;
        }

        /* ======= Section 通用 ======= */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 44px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: rgba(var(--primary-rgb), .10);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            border-radius: 999px;
            letter-spacing: .5px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* ======= 信息卡 ======= */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .info-card {
            padding: 30px 26px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            height: 100%;
        }

        .info-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(var(--primary-rgb), .35);
        }

        .info-icon {
            width: 54px;
            height: 54px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(var(--primary-rgb), .14), rgba(var(--secondary-rgb), .12));
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 18px;
        }

        .info-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .info-card p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ======= 内容卡片 ======= */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .content-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .content-thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e9ecf4;
        }

        .content-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .content-card:hover .content-thumb img {
            transform: scale(1.04);
        }

        .content-tag {
            position: absolute;
            left: 16px;
            top: 16px;
            padding: 5px 14px;
            background: rgba(23, 26, 43, .78);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .content-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .content-body p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 20px;
            flex: 1;
        }

        .content-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .content-meta i {
            color: var(--primary);
        }

        .content-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease;
        }

        .content-link:hover {
            gap: 10px;
            color: #5b4de0;
        }

        /* ======= 时间轴 ======= */
        .timeline-wrap {
            max-width: 840px;
            margin: 0 auto;
            position: relative;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 28px;
            top: 10px;
            bottom: 10px;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            border-radius: 3px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 36px 88px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 12px;
            top: 4px;
            width: 34px;
            height: 34px;
            background: var(--white);
            border: 3px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(var(--primary-rgb), .30);
        }

        .timeline-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .timeline-card:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
        }

        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .timeline-card .time-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--secondary);
            background: rgba(var(--secondary-rgb), .12);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .timeline-card p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* ======= 提示卡 ======= */
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .tip-card {
            display: flex;
            gap: 16px;
            padding: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .tip-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .tip-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(var(--secondary-rgb), .14);
            color: var(--secondary);
            font-size: 18px;
        }

        .tip-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .tip-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ======= FAQ ======= */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--white);
            box-shadow: var(--shadow);
        }

        .accordion-button {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            background: var(--white);
            border: none;
            box-shadow: none;
            transition: color .25s ease;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(var(--primary-rgb), .05);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(var(--primary-rgb), .5);
        }

        .accordion-button::after {
            background-size: contain;
            opacity: .65;
        }

        .accordion-body {
            padding: 4px 24px 20px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ======= CTA ======= */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, #171a2b 0%, #2a2350 60%, #401e3a 100%);
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(var(--primary-rgb), .45), transparent 70%);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(var(--secondary-rgb), .35), transparent 70%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 30px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-actions .btn-primary-custom {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 10px 30px rgba(var(--secondary-rgb), .35);
        }

        .cta-actions .btn-primary-custom:hover {
            background: #f07a4d;
            color: #fff;
        }

        .cta-actions .btn-outline-custom {
            border-color: rgba(255, 255, 255, .5);
        }

        /* ======= Footer ======= */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 24px;
        }

        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            margin-bottom: 24px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            max-width: 420px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 0;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: flex-start;
        }

        .footer-nav a {
            color: rgba(255, 255, 255, .7);
            font-size: 15px;
            font-weight: 600;
            transition: color .25s ease;
        }

        .footer-nav a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            justify-content: space-between;
            font-size: 14px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
            transition: color .25s ease;
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ======= 响应式 ======= */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }
            .page-hero {
                padding: 90px 0 80px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .info-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .content-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .tip-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat strong {
                font-size: 22px;
            }
            .hero-stat span {
                font-size: 12px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .header-cta {
                display: none;
            }
            .header-wrap {
                min-height: 64px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .section {
                padding: 50px 0;
            }
            .page-hero {
                padding: 68px 0 60px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .hero-actions .btn {
                padding: 12px 22px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .timeline-wrap::before {
                left: 18px;
            }
            .timeline-item {
                padding-left: 62px;
            }
            .timeline-dot {
                width: 28px;
                height: 28px;
                left: 6px;
                font-size: 12px;
            }
            .timeline-card {
                padding: 20px;
            }
            .footer-top {
                flex-direction: column;
                gap: 20px;
            }
        }