/* roulang page: index */
:root {
  --mop-bg: #F7F3EC;
  --mop-dark: #15150F;
  --mop-dark-2: #1D1D16;
  --mop-yellow: #F7C600;
  --mop-orange: #E4572E;
  --mop-border: #E0D8CC;
  --mop-text: #23231F;
  --mop-muted: #6B6B62;
  --mop-white: #FFFFFF;
  --r-lg: 20px;
  --r-md: 12px;
  --r-sm: 6px;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.08);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--mop-bg);
  color: var(--mop-text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.noscroll {
  overflow: hidden;
}

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

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

a:hover {
  color: inherit;
}

button:focus,
a:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--mop-yellow);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
  color: var(--mop-dark);
}

p {
  margin: 0 0 1em;
}

.container-mop {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

@media (max-width: 575.98px) {
  .container-mop {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* ---------- sidebar ---------- */
.mop-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1040;
  width: 264px;
  height: 100vh;
  padding: 34px 20px 24px;
  border-right: 1px solid var(--mop-border);
  background: var(--mop-bg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mop-sidebar .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--mop-dark);
  line-height: 1.2;
  margin-bottom: 42px;
  position: relative;
}

.mop-sidebar .brand:hover {
  color: var(--mop-dark);
}

.mop-sidebar .brand .brand-cat {
  width: 8px;
  height: 8px;
  background: var(--mop-yellow);
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}

.mop-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mop-nav .link-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mop-muted);
  border-radius: 9px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.mop-nav .link-item .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mop-border);
  transition: background 0.2s ease;
}

.mop-nav .link-item:hover {
  color: var(--mop-text);
  background: rgba(255, 255, 255, 0.5);
}

.mop-nav .link-item:hover .dot {
  background: var(--mop-yellow);
}

.mop-nav .link-item.active {
  background: var(--mop-dark);
  color: var(--mop-yellow);
}

.mop-nav .link-item.active .dot {
  background: var(--mop-yellow);
  box-shadow: 0 0 0 3px rgba(247, 198, 0, 0.2);
}

.side-footer {
  font-size: 12px;
  color: var(--mop-muted);
  line-height: 1.6;
  border-top: 1px solid var(--mop-border);
  padding-top: 18px;
}

.side-footer .side-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

/* ---------- main shell ---------- */
.page-main {
  margin-left: 264px;
  min-height: 100vh;
}

/* ---------- mobile top bar ---------- */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 1050;
  height: 64px;
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
  background: var(--mop-bg);
  border-bottom: 1px solid var(--mop-border);
}

.mobile-header .mb-brand {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--mop-dark);
}

.mobile-header .menu-trigger {
  width: 42px;
  height: 42px;
  border: 1px solid var(--mop-border);
  background: transparent;
  border-radius: 10px;
  color: var(--mop-dark);
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.mobile-header .menu-trigger:hover,
.mobile-header .menu-trigger:focus {
  background: var(--mop-yellow);
}

@media (max-width: 991.98px) {
  .mop-sidebar {
    display: none;
  }
  .page-main {
    margin-left: 0;
  }
  .mobile-header {
    display: flex;
  }
}

/* ---------- mobile offcanvas menu ---------- */
.mop-offcanvas {
  background: var(--mop-dark) !important;
  color: #fff;
  width: 320px;
  border-right: 0;
}

.mop-offcanvas .offcanvas-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 24px;
}

.mop-offcanvas .offcanvas-title {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--mop-yellow);
}

.mop-offcanvas .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
  opacity: 0.8;
}

.mop-offcanvas .offcanvas-body {
  padding: 24px;
}

.mop-offcanvas .m-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mop-offcanvas .m-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  transition: background 0.2s ease, color 0.2s ease;
}

.mop-offcanvas .m-nav a i {
  width: 14px;
  color: var(--mop-yellow);
}

.mop-offcanvas .m-nav a.active,
.mop-offcanvas .m-nav a:hover {
  background: var(--mop-yellow);
  color: var(--mop-dark);
}

.mop-offcanvas .m-nav a.active i {
  color: var(--mop-dark);
}

/* ---------- hero band ---------- */
.hero-band {
  position: relative;
  min-height: 360px;
  padding: 64px 0 58px;
  background: var(--mop-bg);
  border-bottom: 1px solid var(--mop-border);
  overflow: hidden;
}

.hero-band::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(247, 198, 0, 0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.hero-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-copy {
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mop-muted);
  margin-bottom: 24px;
}

.hero-eyebrow .eyebrow-mark {
  width: 8px;
  height: 8px;
  background: var(--mop-orange);
  border-radius: 2px;
  display: inline-block;
}

.hero-band h1 {
  font-size: clamp(34px, 3.2vw, 58px);
  line-height: 1.22;
  letter-spacing: 0;
  color: var(--mop-dark);
  margin-bottom: 18px;
}

.hero-band h1 .hl {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.hero-band h1 .hl::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 12px;
  background: var(--mop-yellow);
  z-index: -1;
  border-radius: 2px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.9;
  color: var(--mop-text);
  max-width: 640px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* buttons */
.btn-mop-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--mop-dark);
  color: var(--mop-yellow);
  border: 1px solid var(--mop-dark);
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
}

.btn-mop-dark:hover {
  background: var(--mop-yellow);
  color: var(--mop-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-mop-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 4px;
  background: transparent;
  color: var(--mop-dark);
  border: none;
  border-bottom: 2px solid var(--mop-yellow);
  font-weight: 600;
  font-size: 15px;
  transition: border-color 0.2s ease, gap 0.2s ease;
}

.btn-mop-line:hover {
  gap: 12px;
  border-color: var(--mop-dark);
}

.btn-mop-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--mop-white);
  color: var(--mop-dark);
  border: 1px solid var(--mop-border);
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
}

.btn-mop-white:hover {
  background: var(--mop-yellow);
  border-color: var(--mop-yellow);
  transform: translateY(-2px);
}

/* ---------- section common ---------- */
.mop-section {
  padding: 100px 0;
}

@media (max-width: 767.98px) {
  .mop-section {
    padding: 64px 0;
  }
}

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

.sec-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mop-muted);
  margin-bottom: 10px;
  position: relative;
  padding-left: 14px;
}

.sec-tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 14px;
  background: var(--mop-yellow);
  border-radius: 2px;
}

.sec-title {
  font-size: clamp(28px, 2.6vw, 42px);
  line-height: 1.3;
  color: var(--mop-dark);
  margin-bottom: 12px;
}

.sec-desc {
  font-size: 16px;
  color: var(--mop-muted);
  margin-bottom: 0;
}

/* ---------- data strip ---------- */
.data-strip {
  border-bottom: 1px solid var(--mop-border);
  padding: 22px 0;
  background: var(--mop-bg);
}

.data-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.data-item {
  flex: 1 1 160px;
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.data-item .data-num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--mop-dark);
  letter-spacing: -0.02em;
}

.data-item .data-label {
  font-size: 14px;
  color: var(--mop-muted);
}

.data-item .data-num small {
  font-size: 16px;
  color: var(--mop-orange);
}

/* ---------- vertical feed ---------- */
.feed-section {
  background: var(--mop-white);
  border-bottom: 1px solid var(--mop-border);
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

@media (max-width: 991.98px) {
  .feed-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575.98px) {
  .feed-grid {
    grid-template-columns: 1fr;
  }
}

.feed-card {
  position: relative;
  border: 1px solid var(--mop-border);
  border-radius: 18px;
  overflow: hidden;
  background: var(--mop-bg);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  display: flex;
  flex-direction: column;
}

.feed-card:hover {
  transform: translateY(-4px);
  border-color: var(--mop-dark);
  box-shadow: var(--shadow-lg);
}

.feed-card .feed-cover {
  aspect-ratio: 3 / 3.2;
  position: relative;
  overflow: hidden;
}

.feed-card .feed-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.feed-card:hover .feed-cover img {
  transform: scale(1.05);
}

.feed-card .cover-meta {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  background: var(--mop-dark);
  color: var(--mop-yellow);
  font-family: var(--mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 30px;
  letter-spacing: 0.05em;
}

.feed-card .feed-body {
  padding: 20px 20px 22px;
  flex: 1;
}

.feed-card .feed-body h3 {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--mop-dark);
  margin-bottom: 10px;
}

.feed-card .feed-body p {
  font-size: 14px;
  color: var(--mop-muted);
  line-height: 1.75;
  margin-bottom: 0;
}

/* ---------- feature rows ---------- */
.feature-section {
  background: var(--mop-bg);
}

.feature-row-list {
  border-top: 1px solid var(--mop-border);
}

.feature-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--mop-border);
  padding: 30px 6px;
  transition: background 0.2s ease;
}

.feature-row:hover {
  background: rgba(255, 255, 255, 0.45);
}

.feature-row .f-num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--mop-orange);
  letter-spacing: -0.03em;
}

.feature-row .f-main h3 {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--mop-dark);
  margin-bottom: 6px;
}

.feature-row .f-main p {
  font-size: 15px;
  color: var(--mop-muted);
  margin-bottom: 0;
}

.feature-row .f-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--mop-dark);
  border-bottom: 2px solid transparent;
  padding: 6px 2px;
  transition: border-color 0.2s ease, gap 0.2s ease;
}

.feature-row .f-link a:hover {
  border-color: var(--mop-yellow);
  gap: 14px;
}

@media (max-width: 767.98px) {
  .feature-row {
    grid-template-columns: 56px 1fr;
    gap: 14px;
  }
  .feature-row .f-link {
    grid-column: 2;
    grid-row: 3;
    margin-top: 4px;
  }
  .feature-row .f-num {
    font-size: 23px;
  }
}

/* ---------- hot archive / list ---------- */
.hot-section {
  background: var(--mop-white);
  border-top: 1px solid var(--mop-border);
  border-bottom: 1px solid var(--mop-border);
}

.hot-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
}

@media (max-width: 991.98px) {
  .hot-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.hot-list {
  display: flex;
  flex-direction: column;
}

.hot-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--mop-border);
  transition: transform 0.2s ease;
}

.hot-item:hover {
  transform: translateX(6px);
}

.hot-item:last-child {
  border-bottom: none;
}

.hot-item .hot-rank {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--mop-orange);
  min-width: 38px;
  line-height: 1.2;
}

.hot-item .hot-body h4 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--mop-dark);
  margin-bottom: 4px;
  line-height: 1.5;
}

.hot-item .hot-body h4 a {
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.hot-item .hot-body h4 a:hover {
  border-color: var(--mop-yellow);
}

.hot-item .hot-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--mop-muted);
  letter-spacing: 0.02em;
}

.hot-item .hot-count {
  margin-left: 4px;
  color: var(--mop-orange);
}

.side-card {
  background: var(--mop-bg);
  border: 1px solid var(--mop-border);
  border-radius: 18px;
  padding: 28px;
  height: 100%;
}

.side-card .side-title {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--mop-dark);
  margin-bottom: 18px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-card .side-title .side-mark {
  width: 16px;
  height: 16px;
  background: var(--mop-yellow);
  display: inline-block;
  border-radius: 4px;
}

.side-card .side-copy {
  font-size: 15px;
  color: var(--mop-muted);
  line-height: 1.9;
}

.side-card .side-notes {
  margin-top: 18px;
  border-top: 1px dashed var(--mop-border);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--mop-muted);
}

.side-card .side-notes span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-card .side-notes i {
  color: var(--mop-orange);
  width: 14px;
  text-align: center;
}

/* ---------- case scenes ---------- */
.scene-section {
  background: var(--mop-bg);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 767.98px) {
  .scene-grid {
    grid-template-columns: 1fr;
  }
}

.scene-card {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--mop-border);
  background: var(--mop-white);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--mop-dark);
  box-shadow: var(--shadow-lg);
}

.scene-card .scene-cover {
  height: 208px;
  position: relative;
  overflow: hidden;
}

.scene-card .scene-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.scene-card:hover .scene-cover img {
  transform: scale(1.04);
}

.scene-card .cover-sd {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.32) 100%);
}

.scene-card .scene-num {
  position: absolute;
  left: 20px;
  top: 16px;
  background: var(--mop-dark);
  color: var(--mop-yellow);
  font-family: var(--mono);
  font-size: 14px;
  padding: 4px 12px;
  border-radius: 30px;
  z-index: 2;
  letter-spacing: 0.04em;
}

.scene-card .scene-body {
  padding: 22px 24px 26px;
}

.scene-card .scene-body h3 {
  font-family: var(--serif);
  font-size: 23px;
  color: var(--mop-dark);
  margin-bottom: 8px;
}

.scene-card .scene-body p {
  font-size: 15px;
  color: var(--mop-muted);
  margin-bottom: 14px;
  line-height: 1.8;
}

.scene-card .scene-more {
  font-size: 14px;
  color: var(--mop-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid var(--mop-yellow);
  transition: gap 0.2s ease;
}

.scene-card .scene-more:hover {
  gap: 12px;
}

/* ---------- dark case area ---------- */
.dark-band {
  background: var(--mop-dark);
  color: #f2efe6;
}

.dark-band .sec-tag {
  color: rgba(255, 255, 255, 0.55);
}

.dark-band .sec-title {
  color: #fff;
}

.dark-band .sec-desc {
  color: rgba(255, 255, 255, 0.7);
}

.case-feature {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.case-feature:hover {
  transform: translateY(-4px);
  border-color: var(--mop-yellow);
}

.case-feature .cf-cover {
  position: relative;
  background: #241f13;
}

.case-feature .cf-cover img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  opacity: 0.82;
}

.case-feature .cf-cover .case-tag {
  position: absolute;
  left: 18px;
  top: 18px;
  background: var(--mop-yellow);
  color: var(--mop-dark);
  font-weight: 700;
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 30px;
}

.case-feature .cf-body {
  padding: 26px 30px 28px;
  background: #1C1B15;
  border-radius: 0 0 22px 22px;
}

.case-feature .cf-body h3 {
  font-family: var(--serif);
  font-size: 27px;
  color: #fff;
  margin-bottom: 12px;
}

.case-feature .cf-body p {
  color: rgba(255, 255, 255, 0.73);
  font-size: 15px;
  margin-bottom: 12px;
}

.case-feature .cf-stat {
  font-family: var(--mono);
  color: var(--mop-yellow);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.case-sub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

@media (max-width: 767.98px) {
  .case-sub-grid {
    grid-template-columns: 1fr;
  }
}

.case-sub-card {
  background: #1C1B15;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.case-sub-card:hover {
  transform: translateY(-3px);
  border-color: var(--mop-yellow);
}

.case-sub-card img {
  width: 100%;
  height: 172px;
  object-fit: cover;
  opacity: 0.85;
}

.case-sub-card .cs-body {
  padding: 20px 22px 24px;
  flex: 1;
}

.case-sub-card .cs-body h4 {
  font-family: var(--serif);
  font-size: 19px;
  color: #fff;
  margin-bottom: 8px;
}

.case-sub-card .cs-body p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
}

.case-sub-card .cs-date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--mop-yellow);
}

/* ---------- reputation ---------- */
.review-section {
  background: var(--mop-bg);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

@media (max-width: 991.98px) {
  .review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .review-grid {
    grid-template-columns: 1fr;
  }
}

.review-card {
  background: var(--mop-white);
  border: 1px solid var(--mop-border);
  border-radius: 18px;
  padding: 24px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--mop-dark);
}

.review-card .quote-mark {
  position: absolute;
  top: 12px;
  right: 18px;
  font-family: var(--serif);
  font-size: 66px;
  line-height: 1;
  color: var(--mop-yellow);
}

.review-card .review-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
  color: var(--mop-yellow);
  font-size: 14px;
}

.review-card .review-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--mop-text);
  margin-bottom: 18px;
  padding-top: 10px;
  border-top: 1px solid var(--mop-border);
}

.review-card .reviewer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--mop-muted);
}

.review-card .reviewer .rv-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--mop-dark);
  color: var(--mop-yellow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

/* ---------- news ---------- */
.news-section {
  background: var(--mop-white);
  border-top: 1px solid var(--mop-border);
  border-bottom: 1px solid var(--mop-border);
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 44px;
}

@media (max-width: 991.98px) {
  .news-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-post {
  padding: 16px 2px;
  border-bottom: 1px solid var(--mop-border);
  transition: transform 0.2s ease;
}

.news-post:hover {
  transform: translateX(5px);
}

.news-post:last-child {
  border-bottom: none;
}

.news-post .news-date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--mop-orange);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.news-post .news-title {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 8px;
}

.news-post .news-title a {
  color: var(--mop-dark);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.news-post .news-title a:hover {
  border-color: var(--mop-yellow);
}

.news-post .news-summary {
  font-size: 14px;
  color: var(--mop-muted);
  margin-bottom: 10px;
  line-height: 1.8;
}

.news-post .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.news-post .news-tags a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--mop-muted);
  border: 1px solid var(--mop-border);
  border-radius: 30px;
  padding: 2px 12px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.news-post .news-tags a:hover {
  color: var(--mop-dark);
  border-color: var(--mop-dark);
}

.news-right .signup-box {
  background: var(--mop-dark);
  color: #fff;
  border-radius: 20px;
  padding: 28px;
  margin-bottom: 22px;
}

.news-right .signup-box h3 {
  color: var(--mop-yellow);
  font-size: 22px;
  margin-bottom: 10px;
}

.news-right .signup-box p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 18px;
}

.news-right .tag-cloud {
  background: var(--mop-bg);
  border: 1px solid var(--mop-border);
  border-radius: 20px;
  padding: 24px;
}

.news-right .tag-cloud h4 {
  font-size: 18px;
  color: var(--mop-dark);
  margin-bottom: 14px;
}

.cloud-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cloud-tags a {
  display: inline-block;
  font-size: 13px;
  color: var(--mop-text);
  background: var(--mop-white);
  border: 1px solid var(--mop-border);
  border-radius: 30px;
  padding: 4px 12px;
  transition: all 0.2s ease;
}

.cloud-tags a:hover {
  background: var(--mop-yellow);
  border-color: var(--mop-yellow);
  color: var(--mop-dark);
}

/* section CTA card */
.mini-cta {
  background: var(--mop-yellow);
  border-radius: 18px;
  padding: 24px;
  color: var(--mop-dark);
  margin-top: 22px;
}

.mini-cta h4 {
  font-size: 20px;
  margin-bottom: 6px;
  color: var(--mop-dark);
}

.mini-cta p {
  color: rgba(21, 21, 15, 0.75);
  font-size: 14px;
  margin-bottom: 14px;
}

.mini-cta a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  border-bottom: 2px solid var(--mop-dark);
}

.mini-cta a:hover {
  color: var(--mop-orange);
}

/* ---------- price / member ---------- */
.price-section {
  background: var(--mop-bg);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

@media (max-width: 767.98px) {
  .price-grid {
    grid-template-columns: 1fr;
  }
}

.price-card {
  position: relative;
  padding: 36px 32px 34px;
  border-radius: 20px;
  background: var(--mop-white);
  border: 1px solid var(--mop-border);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.price-card:hover {
  transform: translateY(-4px);
  border-color: var(--mop-dark);
}

.price-card.pc-dark {
  background: var(--mop-dark);
  border-color: var(--mop-dark);
  color: #fff;
}

.price-card.pc-dark .card-name,
.price-card.pc-dark .card-price,
.price-card.pc-dark .card-amount {
  color: #fff;
}

.price-card.pc-dark .price-feature {
  display: inline-block;
  position: absolute;
  top: 20px;
  right: 22px;
  background: var(--mop-yellow);
  color: var(--mop-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 30px;
}

.card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--mop-dark);
  margin-bottom: 4px;
}

.card-sub {
  font-size: 14px;
  color: var(--mop-muted);
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--mop-border);
}

.pc-dark .card-sub {
  color: rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.15);
}

.card-amount {
  font-family: var(--mono);
  font-size: 44px;
  font-weight: 700;
  color: var(--mop-dark);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.card-amount small {
  font-size: 16px;
  font-family: var(--sans);
  color: var(--mop-muted);
}

.pc-dark .card-amount small {
  color: rgba(255, 255, 255, 0.5);
}

.price-list {
  margin: 24px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.price-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
}

.price-list li i {
  color: var(--mop-orange);
  margin-top: 6px;
  font-size: 13px;
}

.pc-dark .price-list li {
  color: rgba(255, 255, 255, 0.87);
}

.pc-dark .price-list li i {
  color: var(--mop-yellow);
}

.price-hint {
  font-size: 13px;
  color: var(--mop-muted);
  margin-top: 16px;
  text-align: center;
}

/* ---------- faq ---------- */
.faq-section {
  background: var(--mop-white);
  border-top: 1px solid var(--mop-border);
}

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.mop-accordion .accordion-item {
  background: var(--mop-white);
  border: 1px solid var(--mop-border);
  border-bottom: 0;
}

.mop-accordion .accordion-item:first-child {
  border-radius: 18px 18px 0 0;
}

.mop-accordion .accordion-item:last-child {
  border-bottom: 1px solid var(--mop-border);
  border-radius: 0 0 18px 18px;
}

.mop-accordion .accordion-button {
  background: var(--mop-white);
  color: var(--mop-dark);
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  padding: 20px 26px;
  box-shadow: none;
  border-radius: 0;
  position: relative;
}

.mop-accordion .accordion-button::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  color: var(--mop-muted);
  font-size: 15px;
  transition: transform 0.2s ease;
}

.mop-accordion .accordion-button:not(.collapsed) {
  background: var(--mop-bg);
  color: var(--mop-dark);
}

.mop-accordion .accordion-button:not(.collapsed)::after {
  content: "\f068";
  transform: none;
  color: var(--mop-orange);
}

.mop-accordion .accordion-button:focus {
  outline: none;
  box-shadow: none;
}

.mop-accordion .accordion-body {
  padding: 8px 26px 24px;
  background: var(--mop-bg);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mop-muted);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--mop-yellow);
  color: var(--mop-dark);
  padding: 68px 0;
}

.cta-band h2 {
  font-size: 36px;
  color: var(--mop-dark);
  margin-bottom: 14px;
}

.cta-band p {
  font-size: 16px;
  color: rgba(21, 21, 15, 0.76);
  margin-bottom: 28px;
}

.cta-band .btn-mop-dark {
  background: var(--mop-dark);
  color: var(--mop-yellow);
}

.cta-band .btn-mop-dark:hover {
  background: #fff;
  color: var(--mop-dark);
  border-color: #fff;
}

/* ---------- footer ---------- */
.mop-footer {
  background: var(--mop-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 72px 0 0;
  margin-left: 264px;
}

@media (max-width: 991.98px) {
  .mop-footer {
    margin-left: 0;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 767.98px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.footer-brand {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand span {
  color: var(--mop-yellow);
}

.footer-about {
  font-size: 15px;
  line-height: 1.9;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-col h5 {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--mop-yellow);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  transition: color 0.2s ease, gap 0.2s ease;
  border-bottom: 2px solid transparent;
}

.footer-col ul a:hover {
  color: var(--mop-yellow);
  gap: 12px;
  border-color: var(--mop-yellow);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom .dot-list {
  display: flex;
  gap: 14px;
}

.footer-bottom .dot-list span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-bottom .dot-list i {
  color: var(--mop-yellow);
  font-size: 8px;
}

/* ---------- desktop sidebar active arrow ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- boot resets ---------- */
.form-control,
.form-select,
.input-group-text {
  border-color: var(--mop-border);
}

.btn {
  border-radius: 8px;
}

.btn-primary {
  background-color: var(--mop-dark);
  border-color: var(--mop-dark);
}

.btn-primary:hover {
  background-color: var(--mop-yellow);
  border-color: var(--mop-yellow);
  color: var(--mop-dark);
}

a {
  color: inherit;
}

/* roulang page: category1 */
:root {
    --mop-bg: #F7F3EC;
    --mop-dark: #15150F;
    --mop-dark-2: #1D1D16;
    --mop-yellow: #F7C600;
    --mop-orange: #E4572E;
    --mop-border: #E0D8CC;
    --mop-text: #23231F;
    --mop-muted: #6B6B62;
    --mop-white: #FFFFFF;
    --r-lg: 20px;
    --r-md: 12px;
    --r-sm: 6px;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.08);
    --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: var(--mop-bg);
    color: var(--mop-text);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

a:hover,
a:focus {
    color: inherit;
}

button:focus,
a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--mop-yellow);
    outline-offset: 3px;
}

.container-mop {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.section {
    padding: 96px 0;
}

.section-tight {
    padding-top: 64px;
    padding-bottom: 56px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 0.12em;
    color: var(--mop-muted);
    margin-bottom: 18px;
    text-transform: uppercase;
}

.eyebrow .eyebrow-mark {
    width: 10px;
    height: 10px;
    background: var(--mop-yellow);
    border-radius: 3px;
    display: inline-block;
}

.brand-serif {
    font-family: var(--serif);
}

/* ---------- desktop sidebar ---------- */
.mop-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 264px;
    padding: 36px 24px;
    display: flex;
    flex-direction: column;
    background: var(--mop-bg);
    border-right: 1px solid var(--mop-border);
    z-index: 1040;
}

.mop-sidebar .brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--mop-dark);
    line-height: 1.2;
    margin-bottom: 42px;
}

.mop-sidebar .brand .brand-cat {
    width: 8px;
    height: 8px;
    background: var(--mop-yellow);
    border-radius: 50%;
    display: inline-block;
    flex: 0 0 auto;
}

.mop-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mop-nav .link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--mop-muted);
    border-radius: 9px;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}

.mop-nav .link-item .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--mop-border);
    transition: background .2s ease;
}

.mop-nav .link-item:hover {
    color: var(--mop-text);
    background: rgba(255, 255, 255, .55);
}

.mop-nav .link-item:hover .dot {
    background: var(--mop-yellow);
}

.mop-nav .link-item.active {
    background: var(--mop-dark);
    color: var(--mop-yellow);
}

.mop-nav .link-item.active .dot {
    background: var(--mop-yellow);
    box-shadow: 0 0 0 3px rgba(247, 198, 0, .2);
}

.side-footer {
    margin-top: auto;
    font-size: 12px;
    color: var(--mop-muted);
    line-height: 1.7;
    border-top: 1px solid var(--mop-border);
    padding-top: 18px;
}

.side-footer .side-tag {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .08em;
    display: block;
    margin-bottom: 4px;
}

/* ---------- content shell ---------- */
.page-main {
    margin-left: 264px;
    min-height: 100vh;
    overflow: hidden;
}

/* ---------- mobile top bar ---------- */
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 1050;
    height: 64px;
    padding: 0 20px;
    align-items: center;
    justify-content: space-between;
    background: rgba(247, 243, 236, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--mop-border);
}

.mobile-header .mb-brand {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--mop-dark);
}

.mobile-header .mb-brand .mb-dot {
    color: var(--mop-yellow);
    margin-right: 2px;
}

.mobile-header .menu-trigger {
    width: 42px;
    height: 42px;
    border: 1px solid var(--mop-border);
    background: transparent;
    border-radius: 10px;
    color: var(--mop-dark);
    font-size: 17px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .2s ease;
}

.mobile-header .menu-trigger:hover,
.mobile-header .menu-trigger:focus {
    background: var(--mop-yellow);
}

/* ---------- mobile offcanvas ---------- */
.mop-offcanvas {
    background: var(--mop-dark) !important;
    color: #fff;
    width: 320px;
    border-right: 0;
}

.mop-offcanvas .offcanvas-header {
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    padding: 20px 24px;
}

.mop-offcanvas .offcanvas-title {
    font-family: var(--serif);
    font-size: 22px;
    color: var(--mop-yellow);
}

.mop-offcanvas .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: .8;
}

.mop-offcanvas .offcanvas-body {
    padding: 24px;
}

.mop-offcanvas .m-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mop-offcanvas .m-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    color: rgba(255, 255, 255, .8);
    transition: background .2s ease, color .2s ease;
}

.mop-offcanvas .m-nav a i {
    width: 14px;
    color: var(--mop-yellow);
}

.mop-offcanvas .m-nav a.active,
.mop-offcanvas .m-nav a:hover {
    background: var(--mop-yellow);
    color: var(--mop-dark);
}

.mop-offcanvas .m-nav a.active i {
    color: var(--mop-dark);
}

/* ---------- buttons ---------- */
.btn-mop {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid var(--mop-dark);
    background: var(--mop-yellow);
    color: var(--mop-dark);
    font-weight: 700;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: 8px;
    transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
    cursor: pointer;
}

.btn-mop:hover {
    background: var(--mop-dark);
    color: var(--mop-yellow);
    transform: translateY(-2px);
}

.btn-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid var(--mop-dark);
    background: transparent;
    color: var(--mop-dark);
    font-weight: 600;
    font-size: 15px;
    padding: 13px 26px;
    border-radius: 8px;
    transition: background .2s ease, color .2s ease, transform .2s ease;
    cursor: pointer;
}

.btn-line:hover {
    background: var(--mop-dark);
    color: var(--mop-yellow);
    transform: translateY(-2px);
}

.btn-ghost-light {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, .6);
    color: #fff;
    background: transparent;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 8px;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.btn-ghost-light:hover {
    background: var(--mop-yellow);
    border-color: var(--mop-yellow);
    color: var(--mop-dark);
    transform: translateY(-2px);
}

.text-link {
    display: inline-flex;
    align-items: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--mop-dark);
    border-bottom: 2px solid transparent;
    position: relative;
}

.text-link i {
    margin-left: 8px;
    transition: transform .2s ease;
}

.text-link:hover {
    border-bottom-color: var(--mop-yellow);
}

.text-link:hover i {
    transform: translateX(4px);
}

/* ---------- category page masthead ---------- */
.cat-mast {
    padding: 72px 0 40px;
    border-bottom: 1px solid var(--mop-border);
    background:
        radial-gradient(ellipse at 10% 10%, rgba(247, 198, 0, .1), transparent 45%),
        var(--mop-bg);
}

.breadcrumb-mop {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: .04em;
    color: var(--mop-muted);
    margin-bottom: 36px;
    padding: 0;
    list-style: none;
}

.breadcrumb-mop li {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.breadcrumb-mop li + li::before {
    content: "·";
    color: #B9B1A3;
}

.breadcrumb-mop a {
    color: var(--mop-muted);
}

.breadcrumb-mop a:hover {
    color: var(--mop-text);
    border-bottom: 2px solid var(--mop-yellow);
}

.breadcrumb-mop .active {
    color: var(--mop-text);
}

.cat-mast-grid {
    display: grid;
    grid-template-columns: 1.7fr .9fr;
    gap: 48px;
    align-items: stretch;
}

.cat-copy h1 {
    font-family: var(--serif);
    font-size: clamp(30px, 3vw, 50px);
    line-height: 1.25;
    color: var(--mop-dark);
    margin: 0 0 24px;
    letter-spacing: .01em;
    max-width: 830px;
}

.cat-copy h1 .cat-em {
    position: relative;
    z-index: 1;
    white-space: nowrap;
}

.cat-copy h1 .cat-em::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 8px;
    width: 100%;
    height: 12px;
    background: var(--mop-yellow);
    z-index: -1;
    border-radius: 2px;
}

.cat-lead {
    font-family: var(--serif);
    font-size: 18px;
    line-height: 1.9;
    color: var(--mop-muted);
    max-width: 720px;
    margin: 0 0 24px;
}

.cat-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 30px;
    margin-top: 24px;
}

.cat-points span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: .02em;
    color: var(--mop-text);
}

.cat-points i {
    width: 6px;
    height: 6px;
    background: var(--mop-orange);
    border-radius: 2px;
    display: inline-block;
}

.mast-cover {
    position: relative;
    min-height: 300px;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    display: flex;
    align-items: flex-end;
    isolation: isolate;
}

.mast-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(21, 21, 15, .12) 0%, rgba(21, 21, 15, .82) 100%);
    z-index: -1;
}

.mast-cover-inner {
    padding: 30px 28px;
    color: #fff;
}

.mast-cover-label {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .16em;
    color: var(--mop-yellow);
    display: block;
    margin-bottom: 6px;
}

.mast-cover-inner p {
    font-family: var(--serif);
    font-size: 18px;
    line-height: 1.7;
    margin: 0;
    color: rgba(255, 255, 255, .96);
}

.cover-index {
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: var(--mono);
    font-size: 13px;
    color: rgba(255, 255, 255, .72);
    background: rgba(0, 0, 0, .3);
    padding: 5px 12px;
    border-radius: 30px;
    backdrop-filter: blur(4px);
}

/* ---------- function group ---------- */
.ops-list {
    background: var(--mop-bg);
}

.ops-title-wrap {
    max-width: 800px;
    margin-bottom: 28px;
}

.ops-title-wrap h2,
.section-title h2 {
    font-family: var(--serif);
    font-size: clamp(26px, 2.5vw, 40px);
    line-height: 1.3;
    color: var(--mop-dark);
    margin: 0 0 12px;
}

.ops-title-wrap p,
.section-lead {
    font-size: 16px;
    color: var(--mop-muted);
    max-width: 680px;
    margin: 0;
}

.ops-row {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 26px 6px;
    border-top: 1px solid var(--mop-border);
    transition: padding-left .2s ease, background .2s ease;
}

.ops-row:last-child {
    border-bottom: 1px solid var(--mop-border);
}

.ops-row:hover {
    padding-left: 20px;
    background: #fff;
}

.ops-num {
    font-family: var(--mono);
    font-size: 14px;
    color: var(--mop-orange);
    letter-spacing: .06em;
    min-width: 54px;
}

.ops-main {
    flex: 1;
}

.ops-main h3 {
    font-size: 21px;
    font-weight: 700;
    font-family: var(--sans);
    color: var(--mop-dark);
    margin: 0 0 6px;
    letter-spacing: .01em;
}

.ops-main p {
    margin: 0;
    color: var(--mop-muted);
    font-size: 15px;
    max-width: 760px;
}

.ops-link i {
    color: var(--mop-dark);
    font-size: 18px;
    transition: transform .2s ease;
}

.ops-row:hover .ops-link i {
    transform: translateX(6px);
    color: var(--mop-orange);
}

/* ---------- filter shelf ---------- */
.shelf-section {
    background: var(--mop-white);
    border-top: 1px solid var(--mop-border);
    border-bottom: 1px solid var(--mop-border);
}

.filter-caption {
    font-size: 16px;
    color: var(--mop-muted);
    margin-bottom: 24px;
}

.filter-block {
    margin-bottom: 18px;
}

.filter-block:last-child {
    margin-bottom: 0;
}

.filter-block-title {
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: .06em;
    color: var(--mop-orange);
    display: block;
    margin-bottom: 10px;
}

.chip-line {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid #D9D1C3;
    background: var(--mop-bg);
    font-size: 14px;
    font-weight: 500;
    color: var(--mop-text);
    line-height: 1.5;
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    cursor: pointer;
}

.chip:hover {
    border-color: var(--mop-dark);
    background: #fff;
    transform: translateY(-1px);
}

.chip.active {
    background: var(--mop-dark);
    border-color: var(--mop-dark);
    color: var(--mop-yellow);
}

.chip .chip-count {
    font-family: var(--mono);
    font-size: 11px;
    opacity: .65;
}

.shelf-note {
    margin-top: 20px;
    font-size: 13px;
    color: var(--mop-muted);
    border-top: 1px dashed var(--mop-border);
    padding-top: 16px;
}

/* ---------- archive list ---------- */
.shelves-list {
    background: var(--mop-bg);
}

.arc-list-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 44px;
}

.list-count {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--mop-muted);
    letter-spacing: .05em;
    white-space: nowrap;
}

.list-count b {
    color: var(--mop-orange);
    font-weight: 600;
}

.archive-card {
    position: relative;
    display: grid;
    grid-template-columns: 280px 1fr;
    background: var(--mop-white);
    border: 1px solid var(--mop-border);
    border-radius: 18px;
    overflow: hidden;
    margin-bottom: 28px;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.archive-card:hover {
    border-color: #B9B1A3;
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.arc-thumb {
    position: relative;
    overflow: hidden;
    min-height: 100%;
}

.arc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.archive-card:hover .arc-thumb img {
    transform: scale(1.06);
}

.arc-thumb .thumb-tag {
    position: absolute;
    left: 14px;
    top: 14px;
    background: rgba(21, 21, 15, .82);
    color: #fff;
    font-size: 12px;
    letter-spacing: .05em;
    padding: 5px 12px;
    border-radius: 4px;
    backdrop-filter: blur(5px);
    font-weight: 500;
}

.arc-thumb .thumb-tag.hot {
    background: var(--mop-orange);
}

.arc-body {
    padding: 30px 30px 26px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.arc-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--mop-muted);
    letter-spacing: .03em;
    margin-bottom: 14px;
}

.arc-meta .meta-dot {
    width: 4px;
    height: 4px;
    background: var(--mop-border);
    border-radius: 50%;
}

.arc-meta .archive-id {
    color: var(--mop-orange);
    font-weight: 600;
}

.arc-body h3 {
    font-family: var(--serif);
    font-size: 21px;
    font-weight: 700;
    color: var(--mop-dark);
    line-height: 1.55;
    margin: 0 0 12px;
    letter-spacing: .01em;
}

.arc-body h3 a {
    position: relative;
}

.arc-body h3 a:hover {
    background: linear-gradient(transparent 65%, rgba(247, 198, 0, .75) 65%);
}

.arc-excerpt {
    font-size: 15px;
    color: var(--mop-muted);
    line-height: 1.9;
    margin: 0 0 16px;
    max-width: 680px;
}

.arc-footline {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 13px;
    color: var(--mop-muted);
}

.arc-footline i {
    color: #B9B1A3;
    margin-right: 4px;
}

.arc-go {
    position: absolute;
    right: 18px;
    top: 18px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--mop-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mop-dark);
    background: var(--mop-bg);
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    font-size: 14px;
}

.archive-card:hover .arc-go {
    background: var(--mop-dark);
    border-color: var(--mop-dark);
    color: var(--mop-yellow);
    transform: translateX(3px);
}

/* ---------- mid CTA strip ---------- */
.deco-cta {
    position: relative;
    border-radius: 18px;
    background: var(--mop-dark);
    padding: 30px 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border: 0;
    margin: 44px 0;
    color: #fff;
    overflow: hidden;
}

.deco-cta::after {
    content: "";
    position: absolute;
    right: -30px;
    top: -60px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(247, 198, 0, .22) 0%, transparent 65%);
    pointer-events: none;
}

.deco-cta .cta-copy {
    position: relative;
    z-index: 1;
}

.deco-cta .cta-copy .cta-tag {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .14em;
    color: var(--mop-yellow);
    display: block;
    margin-bottom: 8px;
}

.deco-cta .cta-copy p {
    margin: 0;
    font-size: 15px;
    color: rgba(255, 255, 255, .8);
    max-width: 500px;
}

.deco-cta .cta-copy strong {
    display: block;
    font-family: var(--serif);
    font-size: 20px;
    color: #fff;
}

/* ---------- pagination ---------- */
.pagination-mop {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 48px 0 0;
    align-items: center;
}

.pagination-mop li a,
.pagination-mop li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 14px;
    border: 1px solid #D9D1C3;
    border-radius: 9px;
    background: #fff;
    color: var(--mop-text);
    font-weight: 600;
    font-size: 14px;
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    cursor: pointer;
}

.pagination-mop li a:hover {
    border-color: var(--mop-dark);
    background: var(--mop-yellow);
    color: var(--mop-dark);
    transform: translateY(-2px);
}

.pagination-mop li.active span,
.pagination-mop li.active a {
    background: var(--mop-dark);
    border-color: var(--mop-dark);
    color: var(--mop-yellow);
}

.pagination-mop li.disabled span,
.pagination-mop li.disabled a {
    opacity: .4;
    pointer-events: none;
}

.pagination-mop .page-pipe {
    color: var(--mop-border);
    font-family: var(--mono);
}

/* ---------- workflow ---------- */
.workflow-section {
    background: var(--mop-white);
    border-bottom: 1px solid var(--mop-border);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 48px;
}

.flow-step {
    border: 1px solid var(--mop-border);
    border-radius: var(--r-lg);
    padding: 28px 22px;
    background: var(--mop-bg);
    transition: background .25s ease, transform .25s ease, border-color .25s ease;
    position: relative;
}

.flow-step:hover {
    background: #fff;
    transform: translateY(-5px);
    border-color: var(--mop-dark);
}

.flow-step .step-num {
    font-family: var(--mono);
    font-size: 14px;
    color: var(--mop-orange);
    letter-spacing: .08em;
    display: block;
    margin-bottom: 14px;
}

.flow-step .step-num::before {
    content: "#";
    opacity: .6;
}

.flow-step h3 {
    font-size: 18px;
    color: var(--mop-dark);
    margin: 0 0 10px;
    letter-spacing: .02em;
}

.flow-step p {
    font-size: 14px;
    color: var(--mop-muted);
    margin: 0;
    line-height: 1.8;
}

/* ---------- special section ---------- */
.spotlight-section {
    background: var(--mop-bg);
}

.spotlight-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 24px;
    margin-top: 44px;
}

.spot-card {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    min-height: 330px;
    display: flex;
    align-items: flex-end;
    background-size: cover;
    background-position: center;
    border: 1px solid var(--mop-border);
    transition: transform .25s ease, box-shadow .25s ease;
}

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

.spot-card .spot-content {
    width: 100%;
    padding: 34px 30px 28px;
    color: #fff;
    background: linear-gradient(180deg, transparent, rgba(21, 21, 15, .88));
}

.spot-card.bg-cover-1 {
    background-image: url('/assets/images/coverpic/cover-5.webp');
}

.spot-card.bg-cover-2 {
    background-image: url('/assets/images/coverpic/cover-4.webp');
}

.spot-card.bg-cover-3 {
    background-image: url('/assets/images/coverpic/cover-6.webp');
}

.spot-tag {
    font-family: var(--mono);
    letter-spacing: .12em;
    font-size: 11px;
    text-transform: uppercase;
    background: var(--mop-yellow);
    color: var(--mop-dark);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 3px;
    margin-bottom: 14px;
    font-weight: 700;
}

.spot-card h3 {
    font-family: var(--serif);
    font-size: 23px;
    margin: 0 0 8px;
    line-height: 1.5;
}

.spot-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, .82);
    margin: 0;
    max-width: 520px;
}

.spot-card .spot-link {
    display: block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mop-yellow);
}

.spot-card .spot-link i {
    margin-left: 6px;
    transition: transform .2s ease;
}

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

/* ---------- member plan ---------- */
.join-up {
    background: var(--mop-white);
    border-bottom: 1px solid var(--mop-border);
}

.join-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 20px;
    margin-top: 46px;
}

.join-box {
    border: 1px solid var(--mop-border);
    border-radius: var(--r-lg);
    padding: 36px;
    position: relative;
    background: var(--mop-bg);
    transition: transform .25s ease, box-shadow .25s ease;
}

.join-box.featured {
    background: var(--mop-dark);
    border-color: var(--mop-dark);
    color: #fff;
}

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

.join-box .join-flag {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--mop-orange);
    margin-bottom: 20px;
    display: block;
}

.join-box.featured .join-flag {
    color: var(--mop-yellow);
}

.join-box h3 {
    font-size: 22px;
    margin: 0 0 14px;
    letter-spacing: .02em;
}

.join-box p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--mop-muted);
    margin: 0 0 22px;
}

.join-box.featured p {
    color: rgba(255, 255, 255, .8);
}

.join-list {
    list-style: none;
    padding: 0;
    margin: 0 0 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 15px;
}

.join-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.join-list li i {
    color: var(--mop-yellow);
    margin-top: 6px;
    font-size: 12px;
}

.join-box.featured .join-list li i {
    color: var(--mop-yellow);
}

/* ---------- FAQ ---------- */
.faq-section {
    background: var(--mop-bg);
}

.mop-accordion .accordion-item {
    border: 1px solid var(--mop-border);
    border-radius: 16px !important;
    margin-bottom: 14px;
    overflow: hidden;
    background: #fff;
}

.mop-accordion .accordion-button {
    padding: 22px 26px;
    font-size: 17px;
    font-weight: 700;
    color: var(--mop-dark);
    background: #fff;
    box-shadow: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mop-accordion .accordion-button::after {
    display: none;
}

.mop-accordion .accordion-button .fiq-num {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--mop-orange);
    letter-spacing: .05em;
    min-width: 30px;
}

.mop-accordion .accordion-button .faq-icon {
    margin-left: auto;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--mop-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex: 0 0 auto;
    transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}

.mop-accordion .accordion-button:not(.collapsed) .faq-icon {
    background: var(--mop-dark);
    border-color: var(--mop-dark);
    color: var(--mop-yellow);
    transform: rotate(45deg);
}

.mop-accordion .accordion-button:not(.collapsed) {
    border-bottom: 1px solid var(--mop-border);
}

.mop-accordion .accordion-button:hover {
    background: #fff8E8;
}

.mop-accordion .accordion-body {
    padding: 24px 26px 26px 68px;
    background: #FFFDF7;
    font-size: 15px;
    line-height: 1.9;
    color: var(--mop-muted);
}

/* ---------- CTA band ---------- */
.last-cta {
    padding: 100px 0;
    position: relative;
    background:
        linear-gradient(rgba(21, 21, 15, .88), rgba(21, 21, 15, .92)),
        url('/assets/images/backpic/back-5.jpg') center/cover;
    color: #fff;
    text-align: center;
}

.last-cta h2 {
    font-family: var(--serif);
    font-size: clamp(26px, 3vw, 44px);
    max-width: 760px;
    margin: 0 auto 20px;
}

.last-cta p {
    color: rgba(255, 255, 255, .8);
    max-width: 560px;
    margin: 0 auto 34px;
    font-size: 16px;
}

.last-cta .btn-mop {
    background: var(--mop-yellow);
    color: var(--mop-dark);
    font-size: 16px;
    padding: 16px 38px;
}

.last-cta .btn-mop:hover {
    background: #fff;
    color: var(--mop-dark);
}

/* ---------- footer ---------- */
.mop-footer {
    background: var(--mop-dark);
    color: rgba(255, 255, 255, .76);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 52px;
}

.footer-brand {
    display: inline-flex;
    align-items: baseline;
    font-family: var(--serif);
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
}

.footer-brand span {
    color: var(--mop-yellow);
}

.footer-about {
    max-width: 420px;
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    margin: 0;
    line-height: 1.9;
}

.footer-col h5 {
    color: #fff;
    font-size: 14px;
    letter-spacing: .05em;
    margin-bottom: 22px;
    padding-bottom: 10px;
    position: relative;
}

.footer-col h5::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 22px;
    height: 3px;
    background: var(--mop-yellow);
    border-radius: 2px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    color: rgba(255, 255, 255, .65);
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color .2s ease, transform .2s ease;
}

.footer-col ul a i {
    font-size: 11px;
    color: var(--mop-yellow);
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity .2s ease, transform .2s ease;
}

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

.footer-col ul a:hover i {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 24px 0 34px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}

.footer-bottom .dot-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 22px;
}

.footer-bottom .dot-list i {
    color: var(--mop-yellow);
    font-size: 6px;
    vertical-align: middle;
    margin-right: 6px;
}

/* ---------- responsive ---------- */
@media (max-width: 1199.98px) {
    .container-mop {
        padding-left: 30px;
        padding-right: 30px;
    }

    .workflow-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cat-mast-grid {
        grid-template-columns: 1.4fr 1fr;
        gap: 28px;
    }
}

@media (max-width: 991.98px) {
    .mop-sidebar {
        display: none;
    }

    .page-main {
        margin-left: 0;
    }

    .mobile-header {
        display: flex;
    }

    body {
        padding-top: 0;
    }

    .section {
        padding: 70px 0;
    }

    .cat-mast-grid {
        grid-template-columns: 1fr;
    }

    .mast-cover {
        min-height: 220px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .join-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767.98px) {
    .container-mop {
        padding-left: 20px;
        padding-right: 20px;
    }

    .cat-mast {
        padding-top: 48px;
        padding-bottom: 32px;
    }

    .cat-lead {
        font-size: 16px;
    }

    .ops-row {
        align-items: flex-start;
        gap: 14px;
        padding: 20px 4px;
        flex-wrap: wrap;
    }

    .ops-num {
        min-width: 40px;
    }

    .ops-main {
        flex: none;
        flex-basis: calc(100% - 60px);
    }

    .ops-row:hover {
        padding-left: 4px;
    }

    .archive-card {
        grid-template-columns: 1fr;
    }

    .arc-thumb {
        height: 190px;
        min-height: 0;
    }

    .arc-thumb img {
        height: 190px;
    }

    .arc-body {
        padding: 24px 22px 22px;
    }

    .arc-go {
        width: 34px;
        height: 34px;
        font-size: 13px;
    }

    .arc-body h3 {
        font-size: 19px;
        padding-right: 22px;
    }

    .deco-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }

    .workflow-grid {
        grid-template-columns: 1fr;
        margin-top: 28px;
    }

    .spotlight-grid {
        grid-template-columns: 1fr;
        margin-top: 28px;
    }

    .join-box {
        padding: 26px 22px;
    }

    .last-cta {
        padding: 70px 0;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .cat-copy h1 .cat-em {
        white-space: normal;
    }

    .cat-points {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .chip {
        padding: 7px 14px;
        font-size: 13px;
    }

    .arc-footline {
        gap: 14px;
        font-size: 12px;
        flex-wrap: wrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}