:root {
  --ink: #17201e;
  --muted: #74807b;
  --line: #dfe5df;
  --surface: #f6f8f4;
  --paper: #fbfcf9;
  --cyan: #00a9a5;
  --cyan-dark: #087775;
  --mint: #d9f4df;
  --coral: #f5dfd8;
  --coral-ink: #a14e3e;
  --graphite: #17201e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Noto Sans SC", "DM Sans", sans-serif; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { border: 0; cursor: pointer; }

.site-shell { max-width: 1320px; margin: 0 auto; padding: 0 40px 64px; }
.topbar { height: 76px; display: flex; align-items: center; gap: 48px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark { position: relative; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; }
.brand-mark span { position: absolute; width: 13px; height: 21px; border-radius: 12px 4px 12px 4px; transform: rotate(35deg); }
.brand-mark span:first-child { background: var(--cyan); left: 3px; }
.brand-mark span:last-child { background: #ee7765; right: 3px; transform: rotate(-35deg); opacity: .92; }
.nav-links { display: flex; gap: 26px; height: 100%; align-items: center; }
.nav-links a { height: 100%; display: inline-flex; align-items: center; color: var(--muted); font-size: 13px; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after { content: ""; height: 2px; background: var(--cyan); position: absolute; bottom: -1px; left: 0; right: 0; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.updated-note { color: var(--muted); font-size: 12px; display: inline-flex; align-items: center; gap: 6px; }
.updated-note svg { width: 14px; height: 14px; }
.about-link { font-size: 13px; font-weight: 600; }
.icon-button { width: 32px; height: 32px; background: transparent; color: var(--muted); display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; }
.icon-button:hover { background: var(--surface); color: var(--ink); }
.icon-button svg { width: 17px; height: 17px; }

.hero { min-height: 360px; display: flex; align-items: flex-end; justify-content: space-between; padding: 82px 0 72px; border-bottom: 1px solid var(--line); }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--cyan-dark); font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.eyebrow-dot, .signal-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(0, 169, 165, .12); }
h1 { margin: 20px 0 18px; font-size: clamp(42px, 5.2vw, 72px); line-height: 1.08; letter-spacing: -.065em; font-weight: 800; }
h1 em { color: var(--cyan); font-style: normal; }
.hero-copy p { margin: 0; max-width: 470px; font-size: 16px; line-height: 1.8; color: var(--muted); }
.hero-aside { width: 260px; padding-bottom: 5px; }
.signal-line { display: flex; align-items: center; gap: 9px; font-size: 13px; padding: 12px 0; border-top: 1px solid var(--line); }
.signal-line strong { font-size: 18px; margin-left: auto; }
.signal-line.muted { color: var(--muted); border-bottom: 1px solid var(--line); }
.signal-line svg { width: 15px; height: 15px; }

.directory { padding: 76px 0 36px; }
.directory-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.section-kicker { margin: 0 0 8px; color: var(--cyan-dark); font: 700 11px/1 "DM Sans", sans-serif; letter-spacing: .12em; }
h2 { margin: 0; font-size: 27px; line-height: 1.25; letter-spacing: -.04em; }
.search-box { width: min(340px, 100%); height: 45px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: #fff; padding: 0 13px; border-radius: 6px; }
.search-box:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,169,165,.1); }
.search-box svg { width: 17px; height: 17px; color: var(--muted); }
.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; font-size: 13px; color: var(--ink); }
.search-box input::placeholder { color: #a3ada8; }
kbd { border: 1px solid var(--line); color: var(--muted); border-radius: 3px; padding: 1px 5px; font: 11px "DM Sans", sans-serif; }
.filter-row { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; padding: 33px 0 20px; }
.filter-tab { display: inline-flex; align-items: center; gap: 7px; background: transparent; color: var(--muted); padding: 9px 13px; border-radius: 5px; font-size: 13px; }
.filter-tab:hover { color: var(--ink); background: var(--surface); }
.filter-tab.active { color: #fff; background: var(--graphite); }
.filter-tab span { color: #a8b1ad; font: 11px "DM Sans", sans-serif; }
.filter-tab.active span { color: #bde7e4; }
.filter-tab svg { width: 15px; height: 15px; }
.directory-head, .provider-row { display: grid; grid-template-columns: 1.6fr .75fr .9fr 1.7fr 1.35fr 164px; gap: 22px; align-items: center; }
.directory-head { padding: 12px 18px; color: #9ba6a0; font: 11px "DM Sans", sans-serif; text-transform: uppercase; letter-spacing: .08em; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.provider-row { min-height: 116px; padding: 22px 18px; border-bottom: 1px solid var(--line); transition: background .18s ease, transform .18s ease; }
.provider-row:hover { background: var(--surface); }
.provider-main { display: flex; align-items: center; gap: 14px; min-width: 0; }
.provider-logo { width: 42px; height: 42px; border-radius: 10px; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 17px; flex: 0 0 auto; }
.provider-logo.cyan { background: var(--cyan); }
.provider-logo.dark { background: var(--graphite); }
.provider-logo.coral { background: #d56e5b; }
.provider-name { min-width: 0; }
.provider-name strong { display: block; font-size: 15px; margin-bottom: 5px; }
.provider-name span { color: var(--muted); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.reward { font-weight: 800; font-size: 17px; letter-spacing: -.03em; }
.reward small { display: block; font-weight: 500; color: var(--muted); font-size: 11px; letter-spacing: 0; margin-top: 4px; }
.status { display: inline-flex; align-items: center; width: max-content; gap: 7px; padding: 6px 9px; border-radius: 4px; font-size: 12px; font-weight: 700; }
.status.yes { background: var(--mint); color: #27734a; }
.status.no { background: var(--coral); color: var(--coral-ink); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.model-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.model-tag { border: 1px solid var(--line); color: #52615b; border-radius: 4px; padding: 5px 7px; font: 11px "DM Sans", sans-serif; background: rgba(255,255,255,.5); }
.limit { color: var(--muted); font-size: 12px; line-height: 1.6; }
.row-actions { display: flex; gap: 7px; justify-content: flex-end; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 36px; padding: 0 12px; border-radius: 4px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.button svg { width: 14px; height: 14px; }
.button.secondary { color: var(--ink); background: transparent; border: 1px solid var(--line); }
.button.secondary:hover { border-color: var(--ink); }
.button.primary { color: #fff; background: var(--cyan-dark); }
.button.primary:hover { background: #075f5d; }
.empty-state { min-height: 220px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 9px; color: var(--muted); text-align: center; }
.empty-state[hidden] { display: none; }
.empty-state svg { width: 28px; height: 28px; color: var(--cyan); margin-bottom: 5px; }
.empty-state strong { color: var(--ink); font-size: 15px; }
.empty-state span { font-size: 12px; }

.about-band { display: grid; grid-template-columns: 1.1fr 1.5fr auto; gap: 48px; align-items: end; padding: 64px 0 20px; border-top: 1px solid var(--line); }
.about-band h2 { font-size: 23px; }
.about-band > p { margin: 0; color: var(--muted); max-width: 500px; font-size: 13px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; border-bottom: 1px solid var(--ink); padding-bottom: 4px; white-space: nowrap; }
.text-link svg { width: 14px; height: 14px; }

.drawer-backdrop { position: fixed; inset: 0; background: rgba(23,32,30,.28); z-index: 10; backdrop-filter: blur(2px); }
.detail-drawer { position: fixed; z-index: 11; top: 0; right: 0; width: min(490px, 100%); height: 100dvh; background: var(--paper); box-shadow: -15px 0 35px rgba(23,32,30,.1); transform: translateX(100%); transition: transform .28s ease; overflow: auto; }
.detail-drawer.open { transform: translateX(0); }
.drawer-topline { height: 76px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.drawer-label { color: var(--muted); font: 700 11px "DM Sans", sans-serif; text-transform: uppercase; letter-spacing: .12em; }
.close-button { background: var(--surface); }
.drawer-content { padding: 32px 28px 44px; }
.drawer-provider { display: flex; align-items: center; gap: 13px; margin-bottom: 28px; }
.drawer-provider .provider-logo { width: 50px; height: 50px; font-size: 20px; }
.drawer-provider h3 { margin: 0 0 4px; font-size: 24px; letter-spacing: -.04em; }
.drawer-provider p { margin: 0; color: var(--muted); font-size: 12px; }
.drawer-reward { display: flex; align-items: baseline; justify-content: space-between; padding: 19px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 27px; }
.drawer-reward strong { font-size: 28px; letter-spacing: -.05em; }
.drawer-reward span { color: var(--muted); font-size: 12px; }
.detail-section { margin: 0 0 26px; }
.detail-section h4 { margin: 0 0 11px; font-size: 12px; color: var(--muted); font-weight: 700; }
.detail-copy { margin: 0; color: #4f5e58; font-size: 13px; line-height: 1.75; }
.detail-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.detail-pill { display: inline-flex; align-items: center; gap: 6px; background: var(--surface); padding: 8px 9px; color: #44524d; border-radius: 4px; font-size: 12px; }
.detail-pill svg { width: 14px; height: 14px; }
.rule-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.rule-list li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.6; }
.rule-list li::before { content: ""; width: 5px; height: 5px; margin-top: 7px; border-radius: 50%; background: var(--cyan); flex: 0 0 auto; }
.affiliate-note { padding: 12px 14px; border-left: 2px solid var(--cyan); background: var(--surface); color: var(--muted); font-size: 11px; line-height: 1.7; }
.drawer-cta { width: 100%; min-height: 46px; margin-top: 3px; font-size: 13px; }

@media (max-width: 900px) {
  .site-shell { padding: 0 22px 45px; }
  .topbar { gap: 25px; }
  .nav-links { gap: 15px; }
  .updated-note, .about-link { display: none; }
  .hero { align-items: flex-start; flex-direction: column; gap: 42px; padding: 64px 0 48px; }
  .hero-aside { width: 100%; max-width: 330px; }
  .directory-head { display: none; }
  .provider-row { grid-template-columns: 1fr auto; gap: 16px; padding: 20px 0; }
  .provider-row > :nth-child(2), .provider-row > :nth-child(3), .provider-row > :nth-child(4) { grid-column: 1 / -1; }
  .row-actions { grid-column: 1 / -1; justify-content: flex-start; }
  .about-band { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 620px) {
  .site-shell { padding: 0 16px 35px; }
  .topbar { height: 64px; }
  .nav-links { display: none; }
  .hero { min-height: auto; padding: 53px 0 42px; }
  h1 { font-size: 43px; }
  .hero-copy p { font-size: 14px; }
  .directory { padding-top: 48px; }
  .directory-toolbar { align-items: flex-start; flex-direction: column; }
  .search-box { width: 100%; }
  .filter-row { padding-top: 25px; }
  .filter-tab { padding: 8px 10px; }
  .provider-row { min-height: 0; }
  .row-actions .button { flex: 1; }
  .drawer-content { padding-left: 20px; padding-right: 20px; }
  .drawer-topline { padding-left: 20px; padding-right: 20px; }
}

/* Final directory pass: a compact, consumer-facing offer wall. */
:root {
  --ink: #17212c;
  --muted: #74808d;
  --line: #dce3ea;
  --paper: #f4f6f8;
  --blue: #245bdb;
}
body { background: var(--paper); }
.site-shell { max-width: 1380px; padding: 0 32px 58px; }
.topbar { height: 68px; }
.brand { color: #17212c; }
.brand-mark span:first-child { background: #245bdb; }
.brand-mark span:last-child { background: #ff755f; }
.nav-links { gap: 24px; }
.nav-links a { font-size: 12px; }
.directory { padding-top: 34px; }
.directory-toolbar { align-items: end; }
.section-kicker { display: block !important; margin: 0 0 8px; color: #8d98a4; font: 700 10px/1 "DM Sans", sans-serif; letter-spacing: .14em; }
.directory-toolbar h2 { font-size: 30px; letter-spacing: -.055em; }
.search-box { height: 42px; border-radius: 9px; background: rgba(255,255,255,.78); }
.filter-row { padding: 24px 0 20px; gap: 28px; border-bottom: 1px solid var(--line); }
.filter-group { gap: 6px; }
.filter-label { font-size: 10px; color: #98a3ae; }
.category-group { padding: 4px; background: #e8edf2; border-radius: 9px; }
.category-group .filter-tab { background: transparent; border: 0; color: #667482; padding: 8px 12px; border-radius: 6px; }
.category-group .filter-tab.active { background: #17212c; color: #fff; box-shadow: 0 3px 8px rgba(23,33,44,.14); }
.category-group .filter-tab svg { width: 14px; height: 14px; }
.model-filter-group { margin-left: auto; }
.model-filter-group .filter-tab { border: 1px solid transparent; padding: 7px 10px; border-radius: 6px; }
.model-filter-group .filter-tab.active { color: #fff; background: #17212c; }
.provider-list { gap: 16px; padding-top: 22px; }
.provider-card { min-height: 294px; padding: 22px; border-radius: 14px; border: 1px solid #dce3ea; background: #fff; box-shadow: 0 8px 22px rgba(31,45,61,.045); }
.provider-card::before { height: 4px; background: #245bdb; }
.provider-card.dark::before { background: #24435d; }
.provider-card.coral::before { background: #e96d59; }
.provider-card.indigo::before { background: #6559d8; }
.provider-card:hover { transform: translateY(-3px); border-color: #b9c5d0; box-shadow: 0 15px 30px rgba(31,45,61,.11); }
.provider-card.paid { background: #fffdf8; border-color: #eadfc9; }
.provider-card.paid::after { content: "按量付费"; position: absolute; top: 17px; left: 22px; color: #9a7a3e; font-size: 10px; font-weight: 700; letter-spacing: .04em; }
.provider-card.paid .card-topline { padding-top: 13px; }
.provider-card .provider-logo { width: 44px; height: 44px; border-radius: 12px; }
.provider-card .provider-name strong { color: var(--blue); font-size: 16px; }
.provider-card.dark .provider-name strong { color: #245bdb; }
.provider-card.coral .provider-name strong { color: #d65c49; }
.provider-card .provider-name span { margin-top: 4px; color: #9aa5b0; font-size: 10px; }
.provider-card .model-tags { max-width: 225px; gap: 5px; }
.provider-card .model-tag { border: 0; border-radius: 5px; padding: 5px 7px; font-size: 10px; font-weight: 700; }
.provider-card .model-gpt { color: #0847aa !important; background: #cfe0ff !important; }
.provider-card .model-anthropic { color: #8b206e !important; background: #f2c9e8 !important; }
.provider-card .model-gemini { color: #2e55a7 !important; background: #d8e4ff !important; }
.provider-card .model-deepseek { color: #006873 !important; background: #c5eeeb !important; }
.provider-card .model-glm { color: #a43f26 !important; background: #ffd7cc !important; }
.provider-card .model-kimi { color: #4656a0 !important; background: #dfe4ff !important; }
.card-main { padding-top: 28px; }
.provider-card .reward small { color: #8a96a2; font-size: 10px; }
.provider-card .reward strong { color: #17212c; font-size: 34px; }
.provider-card.paid .reward strong { color: #9a7a3e; }
.card-status { gap: 7px; }
.provider-card .status { padding: 0; background: transparent; border-radius: 0; font-size: 10px; font-weight: 700; }
.provider-card .status.yes { color: #27845b; }
.provider-card .status.no { color: #aa7a77; }
.updated { font-size: 10px; color: #a0aab4; }
.card-detail { min-height: 49px; margin: 18px 0 14px; color: #667481; font-size: 12px; }
.card-detail span:last-child { color: #9aa5af; font-size: 10px; }
.card-footer { margin-top: auto; padding-top: 13px; border-top: 1px solid #e7ebee; }
.card-meta { color: #84909b; font-size: 10px; }
.card-link { color: var(--blue); font-size: 11px; font-weight: 700; }
.card-link svg { width: 13px; height: 13px; }
.site-footer { margin-top: 25px; padding-top: 17px; font-size: 10px; }

@media (max-width: 900px) {
  .site-shell { padding-left: 22px; padding-right: 22px; }
  .provider-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-filter-group { margin-left: 0; }
}
@media (max-width: 620px) {
  .site-shell { padding-left: 16px; padding-right: 16px; }
  .directory { padding-top: 20px; }
  .directory-toolbar { flex-direction: column; align-items: stretch; gap: 16px; }
  .directory-toolbar h2 { font-size: 26px; }
  .filter-row { align-items: flex-start; flex-direction: column; gap: 12px; padding-top: 18px; }
  .category-group { max-width: 100%; overflow-x: auto; }
  .model-filter-group { flex-wrap: wrap; }
  .provider-list { grid-template-columns: 1fr; gap: 13px; padding-top: 16px; }
  .provider-card { min-height: 276px; padding: 20px; }
  .provider-card .model-tags { max-width: 170px; }
  .provider-card .reward strong { font-size: 32px; }
}

/* Keep cards compact and continuous after all base rules. */
.provider-card { min-height: 292px; }
.card-main { margin-top: 26px; padding-top: 0; }
.card-detail { margin-top: 14px; margin-bottom: 14px; }
.directory-toolbar .section-kicker { display: none; }
@media (max-width: 620px) {
  .provider-card { min-height: 276px; }
  .card-main { margin-top: 22px; }
}

/* Final consumer-first hierarchy */
.hero { display: none; }
.directory { padding-top: 26px; }
.directory-toolbar { padding-top: 8px; }
.directory-toolbar h2 { font-size: 28px; letter-spacing: -.05em; }
.directory-toolbar .section-kicker { margin-bottom: 6px; }
.filter-row { padding-top: 16px; padding-bottom: 18px; gap: 5px; }
.filter-tab { padding: 6px 9px; border-radius: 4px; font-size: 12px; }
.filter-tab svg { width: 13px; height: 13px; }
.filter-tab span { font-size: 10px; }
.provider-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.provider-card { min-height: 292px; padding: 22px; border-radius: 16px; }
.provider-card::before { height: 3px; }
.card-topline { gap: 12px; }
.provider-card .model-tags { max-width: 215px; }
.provider-card .model-tag { border: 0; font-size: 10px; font-weight: 700; }
.model-gpt { color: #1559bd; background: #e7f0ff !important; }
.model-anthropic { color: #a04488; background: #f8e8f5 !important; }
.model-grok { color: #273444; background: #eef1f4 !important; }
.model-gemini { color: #4567b2; background: #eaf0ff !important; }
.model-deepseek { color: #0d7d87; background: #dff6f5 !important; }
.model-glm { color: #b34e35; background: #ffebe5 !important; }
.model-kimi { color: #4d63a2; background: #ebefff !important; }
.card-main { margin-top: 26px; padding-top: 0; }
.provider-card .reward { font-size: 38px; letter-spacing: -.065em; }
.provider-card .reward small { margin-top: 7px; font-size: 10px; }
.provider-card .status { padding: 0; border-radius: 0; background: transparent; font-size: 10px; font-weight: 600; opacity: .72; }
.provider-card .status-dot { width: 5px; height: 5px; }
.card-detail { min-height: 52px; margin: 18px 0 18px; display: flex; flex-direction: column; justify-content: space-between; gap: 6px; color: #667381; font-size: 12px; line-height: 1.5; }
.card-detail span:last-child { color: #9aa4ae; font-size: 10px; }
.card-footer { padding-top: 13px; font-size: 10px; }
.card-login { color: #7f8a95; }
.card-open { display: inline-flex; align-items: center; gap: 5px; color: #596671; font-size: 10px; font-weight: 600; }
.card-open svg { width: 13px; height: 13px; }
.provider-name strong { font-family: "DM Sans", "Noto Sans SC", sans-serif; font-size: 15px; letter-spacing: -.02em; }
.provider-card .provider-name strong { color: #175de8; }
.provider-card.dark .provider-name strong { color: #1b5fe9; }
.provider-card.coral .provider-name strong { color: #e35b47; }
.provider-card.indigo::before { background: #5d54d9; }
.provider-card.indigo .provider-logo { background: #5d54d9; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.card-tags span { padding: 4px 7px; border-radius: 4px; background: #f0f3f6; color: #687581; font-size: 10px; }
.card-tags span:first-child { color: #315da6; background: #eaf1ff; }
.provider-card.indigo .card-tags span:first-child { color: #5149af; background: #ecebff; }
.provider-card.indigo .card-tags span:last-child { color: #5149af; background: #ecebff; }
.provider-card .model-gpt { color: #0847aa !important; background: #cfe0ff !important; }
.provider-card .model-anthropic { color: #8b206e !important; background: #f2c9e8 !important; }
.provider-card .model-gemini { color: #2e55a7 !important; background: #d8e4ff !important; }
.provider-card .model-deepseek { color: #006873 !important; background: #c5eeeb !important; }
.provider-card .model-glm { color: #a43f26 !important; background: #ffd7cc !important; }
.provider-card .model-kimi { color: #4656a0 !important; background: #dfe4ff !important; }
.model-filter-group .family-gpt { color: #0847aa; background: #cfe0ff; }
.model-filter-group .family-anthropic { color: #8b206e; background: #f2c9e8; }
.model-filter-group .family-cn { color: #a43f26; background: #ffd7cc; }
.provider-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .provider-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .provider-list { grid-template-columns: 1fr; }
}
.about-band { margin-top: 12px; padding-top: 30px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid #dbe1e7; margin-top: 20px; padding-top: 20px; color: #8b96a0; font-size: 10px; }
.site-footer .text-link { color: #596671; font-size: 11px; border-color: #596671; }

@media (max-width: 900px) {
  .site-shell { padding-left: 22px; padding-right: 22px; }
  .provider-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .provider-card { padding: 18px; }
  .provider-card .model-tags { max-width: 150px; }
}
@media (max-width: 620px) {
  .directory { padding-top: 16px; }
  .directory-toolbar { padding-top: 0; }
  .directory-toolbar h2 { font-size: 25px; }
  .provider-list { grid-template-columns: 1fr; gap: 14px; }
  .provider-card { min-height: 276px; padding: 20px; }
  .provider-card .model-tags { max-width: 175px; }
  .provider-card .reward { font-size: 36px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 10px; }
}

/* Consumer offer-wall presentation */
body { background: #eef1f4; }
.site-shell { max-width: 1420px; padding-left: 34px; padding-right: 34px; }
.topbar { border-bottom: 0; height: 72px; }
.brand-mark span:first-child { background: #2557ff; }
.brand-mark span:last-child { background: #ff745d; }
.hero { min-height: 292px; padding: 52px 0 48px; border: 0; align-items: flex-end; }
.hero-copy p { max-width: 430px; }
h1 { font-size: clamp(44px, 5vw, 68px); letter-spacing: -.075em; }
.hero-aside { width: 280px; }
.directory { padding: 34px 0 28px; }
.directory-toolbar { align-items: center; }
.directory-toolbar h2 { font-size: 32px; }
.filter-row { padding: 26px 0 24px; }
.filter-tab { background: rgba(255,255,255,.55); border: 1px solid transparent; }
.filter-tab:hover { border-color: #cfd6de; background: #fff; }
.filter-tab.active { background: #18212b; border-color: #18212b; }
.provider-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 18px; }
.provider-card { min-height: 332px; display: flex; flex-direction: column; padding: 24px; border: 1px solid #dbe1e7; border-radius: 18px; background: #fff; color: var(--ink); box-shadow: 0 12px 24px rgba(28, 39, 51, .05); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; position: relative; overflow: hidden; }
.provider-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: #2557ff; }
.provider-card.dark::before { background: #18212b; }
.provider-card.coral::before { background: #ff745d; }
.provider-card:hover { transform: translateY(-4px); border-color: #b6c0cb; box-shadow: 0 18px 34px rgba(28,39,51,.12); }
.card-topline { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.provider-card .provider-main { gap: 12px; }
.provider-card .provider-logo { width: 46px; height: 46px; border-radius: 13px; background: #2557ff; color: #fff; font-size: 18px; }
.provider-card.dark .provider-logo { background: #18212b; }
.provider-card.coral .provider-logo { background: #ff745d; }
.provider-card .provider-name strong { font-size: 16px; margin-top: 2px; }
.provider-card .provider-name span { font-size: 11px; }
.provider-card .model-tags { max-width: 190px; justify-content: flex-end; }
.provider-card .model-tag { background: #f3f6f8; border-color: #e2e7eb; color: #45515e; padding: 6px 8px; font-size: 10px; }
.card-main { display: flex; align-items: flex-end; justify-content: space-between; margin-top: auto; padding-top: 36px; }
.provider-card .reward { font-size: 53px; line-height: .92; color: #17212c; letter-spacing: -.08em; }
.provider-card .reward small { margin-top: 10px; font-size: 11px; letter-spacing: 0; color: #7b8794; }
.provider-card .status { padding: 8px 10px; font-size: 12px; }
.card-limit { min-height: 42px; margin: 20px 0 24px; color: #697684; font-size: 13px; line-height: 1.65; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 15px; border-top: 1px solid #e7ebee; color: #7b8794; font-size: 11px; }
.card-login, .card-link { display: inline-flex; align-items: center; gap: 6px; }
.card-login svg, .card-link svg { width: 14px; height: 14px; }
.card-link { color: #2557ff; font-family: "DM Sans", sans-serif; }
.provider-card.dark .card-link { color: #18212b; }
.provider-card.coral .card-link { color: #d95d49; }
.empty-state { min-height: 280px; }
.about-band { padding-top: 44px; }

@media (max-width: 900px) {
  .site-shell { padding-left: 22px; padding-right: 22px; }
  .hero { min-height: 280px; padding-top: 44px; }
}
@media (max-width: 620px) {
  .site-shell { padding-left: 16px; padding-right: 16px; }
  .hero { padding: 42px 0 36px; }
  h1 { font-size: 43px; }
  .directory-toolbar h2 { font-size: 28px; }
  .provider-list { grid-template-columns: 1fr; gap: 14px; }
  .provider-card { min-height: 306px; padding: 21px; }
  .provider-card .model-tags { max-width: 150px; }
  .provider-card .reward { font-size: 47px; }
}

/* Refined card information hierarchy */
.filter-row { padding-top: 16px; padding-bottom: 18px; gap: 22px; }
.filter-group { display: flex; align-items: center; gap: 5px; }
.filter-label { color: #98a3ae; font-size: 10px; margin-right: 4px; }
.filter-tab { padding: 6px 9px; border-radius: 4px; font-size: 12px; }
.filter-tab svg { width: 13px; height: 13px; }
.filter-tab span { font-size: 10px; }
.filter-tab.family-gpt { color: #0c4eb4; background: #dce9ff; }
.filter-tab.family-anthropic { color: #963375; background: #f4d9ee; }
.filter-tab.family-cn { color: #9e432f; background: #ffe1d7; }
.filter-tab.family-gpt.active, .filter-tab.family-anthropic.active, .filter-tab.family-cn.active { color: #fff; background: #18212b; }
.provider-card .reward { display: flex; flex-direction: column; gap: 4px; letter-spacing: -.04em; }
.provider-card .reward small { order: 0; margin-top: 0; font-size: 10px; color: #87929d; }
.provider-card .reward strong { order: 1; font-size: 32px; line-height: 1; font-weight: 800; }
.card-status { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.updated { color: #9aa4ae; font-size: 10px; }
.card-detail span:last-child { color: #88939e; font-size: 11px; }
.card-login { display: none; }

@media (max-width: 620px) {
  .filter-row { gap: 10px; flex-direction: column; align-items: flex-start; }
  .filter-group { flex-wrap: wrap; }
  .provider-card .reward strong { font-size: 30px; }
}

/* Latest information-first card system */
.filter-row { align-items: center; gap: 18px; padding: 24px 0 20px; }
.category-group { padding: 0; gap: 4px; border: 0; background: transparent; border-radius: 0; }
.category-group .filter-tab,
.model-filter-group .filter-tab { min-height: 34px; padding: 7px 12px; border: 1px solid transparent; border-radius: 999px; font-size: 12px; transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease; }
.category-group .filter-tab { color: #667585; background: rgba(255,255,255,.52); }
.category-group .filter-tab:hover { color: #24425f; background: #fff; border-color: #cfd9e4; transform: translateY(-1px); }
.category-group .filter-tab.active { color: #fff; background: #245bdb; border-color: #245bdb; box-shadow: 0 5px 12px rgba(36,91,219,.22); }
.category-group .filter-tab svg { width: 14px; height: 14px; }
.recommendation-group { padding: 0; border: 0; background: transparent; border-radius: 0; }
.recommendation-group .filter-tab { min-height: 34px; padding: 7px 12px; border: 1px solid transparent; border-radius: 999px; color: #98752f; background: rgba(255,255,255,.48); font-size: 12px; }
.recommendation-group .filter-tab:hover { color: #7b5a1f; background: #fffaf0; border-color: #e2c879; transform: translateY(-1px); }
.recommendation-group .filter-tab.active { color: #fff; background: #b88b2e; border-color: #b88b2e; box-shadow: 0 5px 12px rgba(184,139,46,.2); }
.recommendation-group .filter-tab svg { width: 14px; height: 14px; }
.model-filter-group { gap: 6px; }
.model-filter-group .filter-tab { color: #536475; background: #fff; border-color: #dbe3ec; }
.model-filter-group .filter-tab:hover { border-color: #9fb0c2; transform: translateY(-1px); }
.model-filter-group .filter-tab.active { color: #fff; background: #17212c; border-color: #17212c; }
.model-filter-group .family-gpt { color: #164fae; background: #dce9ff; border-color: #c7dbff; }
.model-filter-group .family-anthropic { color: #8e286f; background: #f3d9ec; border-color: #e9c4df; }
.model-filter-group .family-grok { color: #344052; background: #e7ebf0; border-color: #d2d9e1; }
.model-filter-group .family-cn { color: #a84b32; background: #ffe0d5; border-color: #f6cabc; }
.provider-list { gap: 16px; padding-top: 22px; }
.provider-card { min-height: 326px; padding: 23px; border-radius: 18px; }
.provider-card.paid::after { display: none; }
.provider-card.paid .card-topline { padding-top: 0; }
.card-topline { gap: 14px; align-items: flex-start; }
.provider-card .provider-name strong { font-size: 16px; }
.provider-card .provider-name span { margin-top: 5px; font-size: 10px; }
.category-badge { flex: 0 0 auto; padding: 6px 9px; border-radius: 999px; font-size: 10px; font-weight: 700; white-space: nowrap; }
.category-badge.free { color: #177353; background: #dcf4e8; }
.category-badge.paid { color: #956b27; background: #f8ecd0; }
.model-tags { display: flex; flex-wrap: wrap; justify-content: flex-start !important; gap: 7px !important; max-width: none !important; margin-top: 19px; }
.provider-card .model-tag { padding: 6px 9px; border-radius: 999px; font-size: 10px; }
.provider-card .model-grok { color: #344052 !important; background: #e7ebf0 !important; }
.card-main { margin-top: 21px; padding-top: 0; align-items: center; }
.provider-card .reward { gap: 6px; }
.provider-card .reward small { font-size: 10px; }
.provider-card .reward strong { font-size: 42px; line-height: .95; }
.provider-card.paid .reward strong { font-size: 32px; }
.provider-card .status { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border-radius: 999px; font-size: 11px; opacity: 1; }
.provider-card .status.yes { color: #177353; background: #e0f5e9; }
.provider-card .status.no { color: #9a6870; background: #f8e8e8; }
.provider-card .status-dot { width: 6px; height: 6px; }
.card-detail { min-height: 78px; margin: 22px 0 16px; justify-content: flex-start; gap: 9px; color: #667481; font-size: 12px; line-height: 1.65; }
.card-detail p { margin: 0 0 2px; color: #435261; font-size: 13px; line-height: 1.7; }
.card-detail span { display: block; }
.card-detail span:last-child { color: #8e9aa6; font-size: 10px; }
.card-footer { margin-top: auto; padding-top: 14px; border-top: 1px solid #e7ebee; }
.card-pills { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.card-pills > span { padding: 5px 8px; border-radius: 999px; color: #657687; background: #f0f3f6; font-size: 10px; }
.card-pills > .status.yes { color: #177353; background: #e0f5e9; }
.card-pills > .status.no { color: #9a6870; background: #f8e8e8; }
.card-pills .status-dot { width: 6px; height: 6px; padding: 0; border-radius: 50%; background: currentColor; }
.provider-card.paid .card-pills > span { color: #967132; background: #f7efde; }
.card-footer .updated { margin-left: auto; color: #9ba6b0; font-size: 10px; white-space: nowrap; }

@media (max-width: 900px) {
  .provider-card { min-height: 326px; padding: 20px; }
  .provider-card .reward strong { font-size: 38px; }
}
@media (max-width: 620px) {
  .filter-row { align-items: flex-start; gap: 12px; }
  .category-group { max-width: 100%; overflow-x: auto; }
  .category-group .filter-tab { flex: 0 0 auto; }
  .recommendation-group { max-width: 100%; }
  .model-filter-group { margin-left: 0; }
  .provider-list { gap: 14px; padding-top: 16px; }
  .provider-card { min-height: 318px; padding: 20px; }
  .provider-card .model-tags { margin-top: 16px; }
  .provider-card .reward strong { font-size: 36px; }
  .provider-card.paid .reward strong { font-size: 30px; }
  .card-detail { min-height: 76px; }
}

/* Simplified top navigation and clearer offer split. */
.topbar { gap: 18px; }
.top-search { width: min(420px, 42vw); margin-left: auto; }
.top-actions { margin-left: 0; }
.maintainer-link { display: inline-flex; align-items: center; gap: 7px; color: #7f8b98; font-size: 11px; white-space: nowrap; }
.maintainer-link:hover { color: #245bdb; }
.maintainer-link svg { width: 16px; height: 16px; }
.directory { padding-top: 24px; }
.provider-card.free .reward strong { color: #17212c; }
.provider-card.paid .reward strong { color: #967132; }
.provider-card.paid .reward small { color: #a2885c; }
.card-footer { align-items: center; }
.card-pills { align-items: center; min-height: 26px; }
.card-pills > span { display: inline-flex; align-items: center; gap: 5px; min-height: 26px; line-height: 1; white-space: nowrap; }
.card-footer .updated { display: inline-flex; align-items: center; min-height: 26px; line-height: 1; }

@media (max-width: 620px) {
  .topbar { gap: 10px; }
  .top-search { flex: 1; width: auto; min-width: 0; }
  .top-search kbd { display: none; }
  .maintainer-link span { display: none; }
}