/* roulang page: index */
:root {
  --blue: #0e4c92;
  --blue-deep: #0a366c;
  --blue-soft: #e7f0fb;
  --ink: #16263c;
  --muted: #5c6d84;
  --line: #d7e3f2;
  --bg: #f4f7fb;
  --card: #ffffff;
  --gold: #c8962e;
  --hot: #ff6a1a;
  --radius: 18px;
  --shadow: 0 14px 36px rgba(18, 52, 102, .08);
  --shadow-sm: 0 6px 18px rgba(18, 52, 102, .06);
  --wrap: 1160px;
  --header: 78px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.35; font-weight: 800; color: var(--ink); }
ul { margin: 0; padding: 0; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(16, 42, 84, .05);
  padding: 0;
}
.head-bar {
  width: min(var(--wrap), calc(100% - 40px));
  min-height: var(--header);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 auto;
  padding: 10px 0;
}
.nav-logo { display: flex; align-items: center; gap: 10px; margin-right: 8px; min-width: 0; }
.nav-mark {
  width: 46px; height: 46px; border-radius: 14px;
  background: #0e4c92; color: #fff; display: grid; place-items: center;
  font-weight: 800; flex: 0 0 auto; box-shadow: 0 8px 16px rgba(14, 76, 146, .28);
}
.nav-name { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.nav-name strong { font-size: 16px; }
.nav-name small { color: var(--muted); font-size: 12px; }
.site-header .navbar-nav { gap: 4px; align-items: center; }
.site-header .nav-link { color: var(--ink); font-weight: 700; border-radius: 999px; padding: 8px 14px; }
.site-header .nav-link:hover, .site-header .nav-link:focus-visible { background: var(--blue-soft); color: var(--blue); }
.site-header .nav-link.active { background: var(--blue); color: #fff; }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: 12px; }
.nav-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff6ea; color: #9a4d0b; border: 1px solid #ffd7b0;
  border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 800;
}
.nav-badge i { color: #e25b12; }
.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue); color: #fff; border-radius: 999px;
  padding: 10px 16px; font-weight: 800; font-size: 14px;
  box-shadow: 0 8px 16px rgba(14, 76, 146, .22);
}
.nav-cta:hover, .nav-cta:focus-visible { background: var(--blue-deep); color: #fff; }
.navbar-toggler { border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; margin-left: auto; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(14, 76, 146, .25); }
.navbar-toggler-icon {
  background-image: none !important; width: 20px; height: 2px; background: var(--ink);
  position: relative; display: block;
}
.navbar-toggler-icon::before, .navbar-toggler-icon::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink);
}
.navbar-toggler-icon::before { top: -6px; }
.navbar-toggler-icon::after { top: 6px; }
.hero { position: relative; padding: 42px 0 28px; overflow: hidden; }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-mask { position: absolute; inset: 0; background: rgba(244,247,251,.9); }
.hero-card {
  position: relative; z-index: 1; background: rgba(255,255,255,.96);
  border: 1px solid #fff; border-radius: 28px; box-shadow: var(--shadow); padding: 34px 36px 28px;
}
.hero-tools { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 14px; }
.limit-bar {
  display: inline-flex; align-items: center; gap: 8px; background: #fff4ea; color: #8a3d08;
  border-radius: 999px; padding: 7px 12px; font-weight: 800; font-size: 13px;
}
.sticker {
  width: 108px; height: 108px; flex: 0 0 auto; border-radius: 50%;
  background: #ff5a12; color: #fff; display: grid; place-items: center; text-align: center;
  font-weight: 900; line-height: 1.15; transform: rotate(8deg);
  border: 4px dashed rgba(255,255,255,.75); box-shadow: 0 12px 24px rgba(255, 90, 18, .32);
}
.sticker b { font-size: 20px; display: block; }
.sticker small { font-size: 13px; font-weight: 700; }
.brand-line { color: var(--blue); font-weight: 800; margin-bottom: 8px; }
.hero h1 { font-size: clamp(1.55rem, 3vw, 2.2rem); max-width: 940px; margin-bottom: 16px; }
.hero-lead p { color: #31445f; margin-bottom: 10px; max-width: 940px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn {
  border-radius: 999px; padding: 12px 22px; font-weight: 800; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(14, 76, 146, .35); outline-offset: 2px;
}
.btn-hot { background: var(--hot); color: #1b1008; box-shadow: 0 10px 20px rgba(255, 106, 26, .28); }
.btn-hot:hover, .btn-hot:active { background: #e85a0c; color: #1b1008; transform: translateY(-2px); }
.btn-line { background: #fff; color: var(--blue); border-color: #b7d0ee; }
.btn-line:hover { background: var(--blue-soft); color: var(--blue); }
.btn-main { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(14, 76, 146, .22); }
.btn-main:hover, .btn-main:active { background: var(--blue-deep); color: #fff; transform: translateY(-2px); }
.section { padding: 72px 0; scroll-margin-top: 92px; }
.s-white { background: #fff; }
.s-soft { background: var(--bg); }
.s-blue { background: #eaf2fb; }
.section-head { margin-bottom: 26px; max-width: 820px; }
.kicker { display: inline-block; color: var(--blue); font-weight: 800; font-size: 13px; letter-spacing: .6px; margin-bottom: 6px; }
.section-head h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); margin-bottom: 10px; }
.section-head p, .lead-copy { color: var(--muted); margin: 0; }
.collect { display: grid; grid-template-columns: 1.35fr .9fr; gap: 18px; }
.feature-card {
  position: relative; min-height: 380px; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); color: #fff; display: flex; align-items: flex-end;
}
.feature-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feature-card .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,30,60,.05), rgba(8,24,48,.82)); }
.feature-card .txt { position: relative; z-index: 1; padding: 24px; }
.feature-card h3 { color: #fff; font-size: 1.55rem; margin-bottom: 8px; }
.feature-card p { color: rgba(255,255,255,.92); margin-bottom: 14px; }
.stack-list { display: flex; flex-direction: column; gap: 12px; }
.stack-item, .rank-row, .dim, .rest-card, .metric, .index-item, .podium, .spot, .step, .quote, .src, .trust-note, .news-item, .check-list li {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm);
}
.stack-item { padding: 16px; display: block; transition: transform .2s ease, box-shadow .2s ease; }
.stack-item:hover, .podium:hover, .reco-card:hover, .case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stack-item b { display: block; margin-bottom: 4px; }
.stack-item span, .dim p, .rest-card p, .metric span, .step p, .news-item p, .reco-card p, .case-card p { color: var(--muted); font-size: 14px; }
.dim-grid, .rest-grid, .metric-row, .index-grid { display: grid; gap: 14px; }
.dim-grid { grid-template-columns: repeat(4, 1fr); }
.dim { padding: 16px; min-height: 154px; }
.dim em { display: block; font-style: normal; color: var(--blue); font-weight: 800; font-size: 13px; }
.dim strong { display: block; margin: 4px 0 6px; }
.dim p { margin: 0; }
.board-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.rank-row { padding: 16px 18px; }
.rank-row:hover { border-color: #b9d2ee; }
.rank-line { font-weight: 800; font-size: 1.05rem; margin-bottom: 6px; }
.stars { color: var(--gold); letter-spacing: 1px; }
.rank-row p { margin: 0; color: var(--muted); }
.podium-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.podium { padding: 18px; display: flex; flex-direction: column; gap: 10px; border-radius: var(--radius); transition: transform .2s ease, box-shadow .2s ease; }
.podium-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.ring {
  width: 86px; height: 86px; border-radius: 50%;
  background: conic-gradient(var(--blue) calc(var(--p) * 1%), #e6eef8 0);
  display: grid; place-items: center; flex: 0 0 auto;
}
.ring span {
  width: 66px; height: 66px; border-radius: 50%; background: #fff;
  display: grid; place-items: center; font-weight: 900; color: var(--blue); font-size: 18px;
}
.medal-tag { display: inline-flex; align-items: center; gap: 6px; background: #fff7e8; color: #8a5a10; border-radius: 999px; padding: 4px 10px; font-weight: 800; font-size: 13px; }
.podium h3 { font-size: 1.15rem; margin: 8px 0 4px; }
.param-list { list-style: none; }
.param-list li { padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.param-list li:last-child { border-bottom: 0; }
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.fit div { border-radius: 12px; padding: 10px; font-size: 13px; }
.fit b { display: block; margin-bottom: 2px; }
.fit-yes { background: #eef8f2; color: #1d5c3b; }
.fit-no { background: #fdf3f1; color: #7c3a30; }
.versus {
  margin-top: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 18px; display: grid; grid-template-columns: 120px 1fr 1fr 1fr; gap: 12px;
}
.versus h3 { font-size: 1rem; margin: 0; }
.versus p { margin: 0; color: #3d516b; font-size: 14px; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-sm); }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 720px; }
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare-table th { background: #f3f7fd; color: var(--blue-deep); font-size: 14px; }
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table td:first-child { font-weight: 800; white-space: nowrap; }
.rest-grid { grid-template-columns: repeat(3, 1fr); }
.rest-card { padding: 16px; }
.rest-card p { margin: 8px 0 0; }
.bento { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.bento-main { grid-row: span 2; }
.spot { padding: 20px; border-radius: var(--radius); }
.spot i { color: var(--blue); font-size: 20px; }
.spot h3 { margin: 8px 0; font-size: 1.2rem; }
.spot p { color: var(--muted); margin: 0; }
.bento-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 160px 1fr; gap: 16px; align-items: center; }
.metric-row { grid-template-columns: repeat(4, 1fr); }
.metric { padding: 18px; border-radius: var(--radius); }
.metric b { display: block; font-size: 2rem; color: var(--blue); line-height: 1; margin-bottom: 8px; }
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.step { padding: 16px; min-height: 190px; }
.step i {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 800; font-style: normal; margin-bottom: 8px;
}
.step h3 { font-size: 1rem; margin-bottom: 6px; }
.step p { margin: 0; }
.reco-rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr);
  gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory;
}
.reco-card, .case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; scroll-snap-align: start; transition: transform .2s ease, box-shadow .2s ease; }
.reco-card img, .case-card img { width: 100%; height: 168px; object-fit: cover; }
.pad { padding: 14px 14px 16px; }
.reco-card h3, .case-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.reco-card p, .case-card p { margin: 0; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 16px 18px; }
.news-item time { color: var(--blue); font-weight: 800; }
.news-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.news-item p { margin: 0; }
.more-row { margin-top: 16px; }
.more-link { color: var(--blue); font-weight: 800; }
.more-link:hover { text-decoration: underline; }
.case-wall { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 14px; }
.case-card.big { grid-row: span 2; }
.case-card.big img { height: 100%; min-height: 280px; }
.save-grid, .close-grid, .voice-grid, .trust-grid { display: grid; gap: 16px; }
.save-grid { grid-template-columns: 1.2fr .8fr; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.check-list li { padding: 12px 14px; }
.check-list b { display: block; }
.share-box { background: var(--blue); color: #fff; border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.share-box h3, .share-box p { color: #fff; }
.copy-state { min-height: 1.5em; font-weight: 700; }
.index-grid { grid-template-columns: 1fr 1fr; }
.index-item { display: flex; gap: 12px; padding: 16px; align-items: flex-start; }
.index-item:hover { border-color: #b7d0ee; }
.index-item i { width: 36px; height: 36px; border-radius: 10px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; flex: 0 0 auto; }
.index-item b { display: block; }
.index-item span { color: var(--muted); font-size: 14px; }
.voice-grid { grid-template-columns: 1.3fr .7fr; }
.quote { padding: 18px; border-radius: var(--radius); }
.quote.leadq { background: #0e4c92; color: #fff; border: 0; }
.quote.leadq p, .quote.leadq b { color: #fff; }
.quote b { display: block; margin-bottom: 6px; }
.quote p { margin: 0; }
.side-quotes { display: flex; flex-direction: column; gap: 12px; }
.trust-grid { grid-template-columns: 1.1fr .9fr; }
.src-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.src, .trust-note { padding: 16px; border-radius: var(--radius); }
.src b { display: block; }
.src span { color: var(--muted); font-size: 14px; }
.trust-note { background: #f7fbff; }
.trust-icons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.trust-icons span { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; font-size: 13px; font-weight: 700; }
.close-grid { grid-template-columns: 1.4fr .7fr; align-items: stretch; }
.close-panel, .close-action { background: #fff; border-radius: 24px; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 22px; }
.site-footer { background: #10243f; color: #d5e2f2; padding: 42px 0 24px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.site-footer strong { color: #fff; font-size: 1.15rem; }
.site-footer a { color: #d5e2f2; }
.site-footer a:hover { color: #fff; }
.foot-links { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 22px; padding-top: 14px; color: #a9bdd4; font-size: 13px; }
@media (max-width: 1024px) {
  .collect, .podium-grid, .rest-grid, .bento, .flow, .case-wall, .save-grid, .voice-grid, .trust-grid, .close-grid, .versus { grid-template-columns: 1fr; }
  .bento-main { grid-row: auto; }
  .bento-wide { grid-template-columns: 1fr; }
  .dim-grid, .metric-row { grid-template-columns: 1fr 1fr; }
  .case-card.big { grid-row: auto; }
  .case-card.big img { height: 200px; min-height: 0; }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .hero { padding-top: 24px; }
  .hero-card { padding: 20px 16px 18px; }
  .hero-tools { flex-direction: column; }
  .sticker { transform: none; width: 84px; height: 84px; }
  .news-item, .index-grid, .src-list, .fit { grid-template-columns: 1fr; }
  .news-item { gap: 4px; }
  .navbar-collapse { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 10px; margin-top: 8px; box-shadow: var(--shadow); }
  .nav-tools { margin: 8px 0 4px; flex-wrap: wrap; }
}
@media (max-width: 520px) {
  .wrap, .head-bar { width: calc(100% - 28px); }
  .nav-name small { display: none; }
  .dim-grid, .metric-row, .foot-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.4rem; }
  .hero-actions .btn, .close-action .btn, .share-box .btn { width: 100%; }
  .rank-line { font-size: .98rem; }
}

/* roulang page: category1 */
:root {
 --blue: #0e4c92;
 --blue-deep: #0a366c;
 --blue-soft: #e7f0fb;
 --ink: #16263c;
 --muted: #5c6d84;
 --line: #d7e3f2;
 --bg: #f4f7fb;
 --card: #ffffff;
 --gold: #c8962e;
 --hot: #ff6a1a;
 --radius: 18px;
 --shadow: 0 14px 36px rgba(18, 52, 102, .08);
 --shadow-sm: 0 6px 18px rgba(18, 52, 102, .06);
 --wrap: 1160px;
 --header: 78px;
}
/* roulang page: saichengjieshuo */
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--bg);
 font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(255,255,255,.94);
 backdrop-filter: blur(14px);
 border-bottom: 1px solid var(--line);
 box-shadow: 0 8px 24px rgba(16, 42, 84, .05);
 padding: 0;
}
.head-bar {
 display: flex;
 align-items: center;
 width: min(var(--wrap), calc(100% - 8px));
 margin: 0 auto;
 padding: 12px 8px;
 gap: 8px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; margin-right: 8px; min-width: 0; }
.nav-mark {
 width: 46px; height: 46px; border-radius: 14px;
 background: #0e4c92; color: #fff; display: grid; place-items: center;
 font-weight: 800; flex: 0 0 auto; box-shadow: 0 8px 16px rgba(14, 76, 146, .28);
}
.nav-name { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.nav-name strong { font-size: 16px; color: var(--ink); }
.nav-name small { color: var(--muted); font-size: 12px; }
.site-header .navbar-nav { gap: 4px; align-items: center; }
.site-header .nav-link { color: var(--ink); font-weight: 700; border-radius: 999px; padding: 8px 14px; }
.site-header .nav-link:hover, .site-header .nav-link:focus-visible { background: var(--blue-soft); color: var(--blue); }
.site-header .nav-link.active { background: var(--blue); color: #fff; }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: 12px; }
.nav-badge {
 display: inline-flex; align-items: center; gap: 6px;
 background: #fff6ea; color: #9a4d0b; border: 1px solid #ffd7b0;
 border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 800;
}
.nav-badge i { color: #e25b12; }
.nav-cta {
 display: inline-flex; align-items: center; justify-content: center;
 background: var(--blue); color: #fff; border-radius: 999px;
 padding: 10px 16px; font-weight: 800; font-size: 14px;
 box-shadow: 0 8px 16px rgba(14, 76, 146, .22);
}
.nav-cta:hover, .nav-cta:focus-visible { background: var(--blue-deep); color: #fff; }
.navbar-toggler { border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; margin-left: auto; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(14, 76, 146, .25); }
.site-header .navbar-toggler-icon {
 background-image: none !important; width: 20px; height: 2px; background: var(--ink);
 position: relative; display: block;
}
.site-header .navbar-toggler-icon::before, .site-header .navbar-toggler-icon::after {
 content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink);
}
.site-header .navbar-toggler-icon::before { top: -6px; }
.site-header .navbar-toggler-icon::after { top: 6px; }
.hero { position: relative; padding: 42px 0 28px; overflow: hidden; }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-mask { position: absolute; inset: 0; background: rgba(244,247,251,.9); }
.hero-card {
 position: relative; z-index: 1; background: rgba(255,255,255,.96);
 border: 1px solid #fff; border-radius: 28px; box-shadow: var(--shadow); padding: 34px 36px 28px;
}
.hero-tools { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 14px; }
.brand-line { color: var(--blue); font-weight: 800; margin-bottom: 8px; }
.hero h1 { font-size: clamp(1.55rem, 3vw, 2.2rem); max-width: 940px; margin-bottom: 16px; line-height: 1.35; }
.hero-lead p { color: #31445f; margin-bottom: 10px; max-width: 940px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn {
 border-radius: 999px; padding: 12px 22px; font-weight: 800; border: 1px solid transparent;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 cursor: pointer; line-height: 1.2;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
 outline: 3px solid rgba(14, 76, 146, .35); outline-offset: 2px;
}
.btn-hot { background: var(--hot); color: #1b1008; box-shadow: 0 10px 20px rgba(255, 106, 26, .28); }
.btn-hot:hover, .btn-hot:active { background: #e85a0c; color: #1b1008; transform: translateY(-2px); }
.btn-line { background: #fff; color: var(--blue); border-color: #b7d0ee; }
.btn-line:hover { background: var(--blue-soft); color: var(--blue); }
.btn-main { background: var(--blue); color: #fff; box-shadow: 0 10px 20px rgba(14, 76, 146, .22); }
.btn-main:hover, .btn-main:active { background: var(--blue-deep); color: #fff; transform: translateY(-2px); }
.section { padding: 72px 0; scroll-margin-top: 92px; }
.section-head { margin-bottom: 26px; max-width: 820px; }
.section-head h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); margin-bottom: 10px; }
.section-head p, .lead-copy { color: var(--muted); margin: 0; }
.collect { display: grid; grid-template-columns: 1.35fr .9fr; gap: 18px; }
.feature-card {
 position: relative; min-height: 380px; border-radius: var(--radius); overflow: hidden;
 box-shadow: var(--shadow); color: #fff; display: flex; align-items: flex-end;
}
.feature-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feature-card .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,30,60,.05), rgba(8,24,48,.82)); }
.feature-card .txt { position: relative; z-index: 1; padding: 24px; }
.feature-card h3 { color: #fff; font-size: 1.55rem; margin-bottom: 8px; }
.feature-card p { color: rgba(255,255,255,.92); margin-bottom: 14px; }
.stack-list { display: flex; flex-direction: column; gap: 12px; }
.stack-item, .rank-row, .dim, .rest-card, .metric, .index-item, .podium, .spot, .step, .quote, .src, .trust-note, .news-item, .check-list li {
 background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm);
}
.stack-item { padding: 16px; display: block; transition: transform .2s ease, box-shadow .2s ease; }
.stack-item:hover, .podium:hover, .reco-card:hover, .case-card:hover, .rest-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stack-item b { display: block; margin-bottom: 4px; }
.stack-item span, .dim p, .rest-card p, .metric span, .step p, .news-item p, .reco-card p, .case-card p { color: var(--muted); font-size: 14px; }
.dim-grid, .rest-grid, .metric-row, .index-grid { display: grid; gap: 14px; }
.dim-grid { grid-template-columns: repeat(4, 1fr); }
.rest-grid { grid-template-columns: 1fr; gap: 12px; }
.metric-row { grid-template-columns: repeat(4, 1fr); margin-top: 16px; }
.index-grid { grid-template-columns: repeat(3, 1fr); }
.dim, .metric, .index-item, .rest-card, .news-item, .quote, .src, .trust-note { padding: 16px 18px; }
.metric strong { display: block; font-size: 1.7rem; color: var(--blue); line-height: 1.1; }
.metric span { display: block; margin-top: 4px; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.check-list li { padding: 10px 12px; list-style: none; }
.hero-split { display: grid; grid-template-columns: 1.35fr .82fr; gap: 22px; align-items: start; }
.slot-board {
 background: linear-gradient(180deg, #f8fbff, #eef4fc);
 border: 1px solid var(--line);
 border-radius: 22px;
 padding: 16px;
}
.slot-board h2 { font-size: 1.05rem; margin: 0 0 6px; }
.slot-board .slot-note { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.slot-list { display: flex; flex-direction: column; gap: 8px; }
.slot-btn {
 width: 100%; text-align: left; background: #fff; border: 1px solid var(--line);
 border-radius: 14px; padding: 12px 12px; display: flex; gap: 10px; align-items: flex-start;
 transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.slot-btn i { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); flex: 0 0 auto; }
.slot-btn b { display: block; font-size: 14px; }
.slot-btn small { color: var(--muted); display: block; line-height: 1.45; }
.slot-btn:hover { border-color: #b7d0ee; transform: translateY(-1px); }
.slot-btn.active { border-color: var(--blue); box-shadow: 0 8px 18px rgba(14, 76, 146, .12); background: #f3f8ff; }
.slot-result { margin-top: 12px; background: #fff; border-radius: 14px; border: 1px dashed #b7d0ee; padding: 12px; color: #31445f; font-size: 14px; min-height: 72px; }
.band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-row { padding: 16px 18px; transition: border-color .2s ease, box-shadow .2s ease; }
.rank-row:hover { border-color: #b7d0ee; box-shadow: var(--shadow); }
.rank-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; font-weight: 800; font-size: 1.05rem; }
.rank-line .sep { color: #9aafc8; font-weight: 600; }
.rank-line .pts { color: var(--blue); font-size: 1.35rem; }
.stars { color: var(--gold); letter-spacing: 1px; font-size: 1.05rem; }
.rank-row p { margin: 8px 0 0; color: var(--muted); }
.podium-wrap { display: grid; grid-template-columns: 1.25fr .85fr; gap: 16px; }
.podium-side { display: flex; flex-direction: column; gap: 16px; }
.podium { overflow: hidden; padding: 0; }
.podium .cover { position: relative; height: 168px; }
.podium .cover img { width: 100%; height: 100%; object-fit: cover; }
.podium .cover .cap {
 position: absolute; left: 12px; bottom: 12px; background: rgba(10, 36, 74, .82); color: #fff;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 800;
}
.podium .body { padding: 16px 16px 18px; }
.score-row { display: flex; align-items: center; gap: 14px; margin: 8px 0 12px; }
.score-ring {
 width: 84px; height: 84px; border-radius: 50%; border: 7px solid #d7e7f8;
 display: grid; place-items: center; flex: 0 0 auto;
 background: conic-gradient(var(--blue) 0 92%, #e6eef8 0);
}
.score-ring span {
 width: 62px; height: 62px; border-radius: 50%; background: #fff;
 display: grid; place-items: center; font-weight: 800; color: var(--blue); font-size: 20px;
}
.score-ring.mid { background: conic-gradient(var(--blue) 0 80%, #e6eef8 0); }
.score-ring.low { background: conic-gradient(#3d7cc4 0 70%, #e6eef8 0); }
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.fit div { background: var(--blue-soft); border-radius: 12px; padding: 10px; font-size: 13px; }
.fit .no { background: #fff6f2; }
.fit b { display: block; margin-bottom: 2px; }
.versus {
 margin-top: 16px; background: #0e4c92; color: #fff; border-radius: 18px; padding: 18px 20px;
 box-shadow: var(--shadow);
}
.versus h3 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
.versus p { margin: 0; color: rgba(255,255,255,.92); }
.cmp-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-sm); }
.cmp { min-width: 720px; display: grid; grid-template-columns: 148px 1fr 1fr 1fr; }
.cmp div { padding: 14px 12px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.cmp .hd { background: #f3f7fd; font-weight: 800; }
.cmp .lab { background: #f8fbff; font-weight: 800; color: var(--blue-deep); }
.gold-cell { color: #8a5a10; font-weight: 800; }
.schedule-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; align-items: stretch; }
.tl { margin: 0; padding: 0; list-style: none; }
.step { padding: 16px 16px 16px 18px; position: relative; border-left: 4px solid var(--blue); }
.step b { display: block; }
.step em { font-style: normal; color: var(--hot); font-weight: 800; font-size: 13px; }
.photo-panel { position: relative; border-radius: 22px; overflow: hidden; min-height: 100%; box-shadow: var(--shadow); }
.photo-panel img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.photo-panel .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,24,48,.05), rgba(8,24,48,.78)); }
.photo-panel .txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; color: #fff; }
.photo-panel h3 { color: #fff; margin-bottom: 6px; }
.close-sec { position: relative; overflow: hidden; }
.close-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.close-mask { position: absolute; inset: 0; background: rgba(10, 40, 82, .88); }
.close-inner { position: relative; z-index: 1; color: #fff; display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.close-inner h2 { color: #fff; font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.close-inner p { color: rgba(255,255,255,.92); }
.quote { background: rgba(255,255,255,.96); }
.trust-note { background: rgba(255,255,255,.96); }
.site-footer { background: var(--blue-deep); color: #d7e6f8; padding: 48px 0 22px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer strong { font-size: 1.15rem; color: #fff; }
.site-footer p { color: #c5d7ec; margin: 8px 0 0; }
.site-footer b { color: #fff; display: block; margin-bottom: 8px; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 6px 0; }
.foot-links a { color: #d7e6f8; border-bottom: 1px solid transparent; }
.foot-links a:hover, .foot-links a:focus-visible { color: #fff; border-bottom-color: #fff; }
.copyright { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.16); color: #b9cce4; font-size: 13px; }
.pill { display: inline-flex; align-items: center; gap: 6px; background: #fff6ea; color: #9a4d0b; border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 800; }
@media (max-width: 1024px) {
 .hero-split, .podium-wrap, .schedule-grid, .close-inner, .collect { grid-template-columns: 1fr; }
 .dim-grid, .metric-row { grid-template-columns: 1fr 1fr; }
 .photo-panel img { min-height: 280px; }
}
@media (max-width: 768px) {
 .section { padding: 52px 0; }
 .hero { padding: 22px 0 16px; }
 .hero-card { padding: 22px 16px; border-radius: 20px; }
 .head-bar { width: min(100% - 12px, var(--wrap)); }
 .nav-tools { margin: 10px 0 6px; flex-wrap: wrap; }
 .site-header .navbar-nav { align-items: flex-start; width: 100%; }
 .foot-grid { grid-template-columns: 1fr; gap: 18px; }
 .fit { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
 .wrap { width: min(100% - 24px, var(--wrap)); }
 .dim-grid, .metric-row, .index-grid { grid-template-columns: 1fr; }
 .hero-actions .btn, .close-inner .btn { width: 100%; }
 .rank-line { font-size: .98rem; }
 .score-ring { width: 72px; height: 72px; }
 .nav-name strong { font-size: 14px; }
}

/* 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}