/* ==========================================================================
   TrendSift — design system
   1. tokens  2. base  3. shell  4. controls  5. hero  6. opportunity cards
   7. tracks  8. daily  9. keyword  10. states  11. footer  12. doc pages
   ========================================================================== */

/* ---------- 1. tokens ---------- */
:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #fbfbfe;
  --surface-3: #f2f4f9;

  --ink: #10131f;
  --ink-2: #4b5265;
  --ink-3: #7b8298;
  --ink-4: #9aa1b4;

  --line: #e9ebf2;
  --line-2: #dbdfe9;

  --brand: #5145e5;
  --brand-2: #7c5cf6;
  --brand-ink: #3f34c9;
  --brand-soft: #eef0ff;
  --brand-line: #d9dbff;

  --up: #dc3f3b;
  --up-soft: #fdeeee;
  --down: #0f9d58;
  --down-soft: #e9f8f0;
  --warn: #b9700c;
  --warn-soft: #fdf4e4;
  --teal: #0e7c86;
  --teal-soft: #e6f6f6;

  --radius-sm: 9px;
  --radius: 13px;
  --radius-lg: 18px;

  --shadow-xs: 0 1px 2px rgba(16, 19, 31, 0.04);
  --shadow-sm: 0 1px 2px rgba(16, 19, 31, 0.05), 0 4px 12px -6px rgba(16, 19, 31, 0.1);
  --shadow: 0 1px 2px rgba(16, 19, 31, 0.04), 0 10px 28px -16px rgba(16, 19, 31, 0.2);
  --shadow-lg: 0 2px 4px rgba(16, 19, 31, 0.04), 0 18px 44px -20px rgba(16, 19, 31, 0.28);

  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* 兼容早期写在 JS 里的内联样式（var(--text-3) / var(--rise) 等） */
  --bg-soft: #ffffff;
  --text: #10131f;
  --text-2: #4b5265;
  --text-3: #7b8298;
  --line-strong: #dbdfe9;
  --rise: #dc3f3b;
  --rise-soft: #fdeeee;
  --ok: #0f9d58;
  --ok-soft: #e9f8f0;
}

/* ---------- 2. base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 520px at 12% -8%, #eef0ff 0%, rgba(238, 240, 255, 0) 62%),
    radial-gradient(1000px 480px at 92% -4%, #f3ecff 0%, rgba(243, 236, 255, 0) 58%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.012em;
  color: var(--ink);
}

p {
  margin: 0;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  color: var(--brand-ink);
}

b,
strong {
  font-weight: 650;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--surface-3);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--ink-2);
}

::selection {
  background: #ddd9ff;
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 6px;
}

[hidden] {
  display: none !important;
}

/* ---------- 3. shell ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 10px 26px;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(16, 19, 31, 0.07);
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand:hover {
  color: inherit;
}

.logo {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  box-shadow: 0 2px 10px -2px rgba(81, 69, 229, 0.45);
  flex: none;
}

.brand-text {
  display: block;
  min-width: 0;
}

.wordmark {
  display: block;
  margin: 0;
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.018em;
  line-height: 1.25;
  color: var(--ink);
}

.wordmark .wm-b {
  color: var(--brand);
}

.tagline {
  display: block;
  margin-top: 1px;
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sub {
  margin: 2px 0 0;
  font-size: 11.5px;
  color: var(--ink-3);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 9px;
}

.topbar-right a.btn {
  text-decoration: none;
}

/* nav */
.tabs {
  position: sticky;
  top: 64px;
  z-index: 50;
  display: flex;
  gap: 2px;
  padding: 10px 26px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(246, 247, 251, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16, 19, 31, 0.06);
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 7px 13px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.tab:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
}

.tab.active {
  background: var(--surface);
  border-color: var(--line);
  color: var(--brand-ink);
  font-weight: 650;
  box-shadow: var(--shadow-sm);
}

.tab-badge {
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  line-height: 17px;
  text-align: center;
}

main {
  max-width: 1360px;
  margin: 0 auto;
  padding: 22px 26px 46px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
  animation: panelIn 0.24s cubic-bezier(0.2, 0.7, 0.3, 1);
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 4. controls ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 550;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
}

.pill-idle {
  background: var(--surface-3);
  color: var(--ink-3);
  border-color: var(--line);
}

.pill-ok {
  background: var(--down-soft);
  color: #0b7a45;
  border-color: #cbebd9;
}

.pill-bad {
  background: var(--up-soft);
  color: var(--up);
  border-color: #f6d5d3;
}

.pill-warn {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: #f1dfba;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-size: 12.8px;
  font-weight: 600;
  line-height: 1;
  padding: 9px 14px;
  border-radius: 9px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease,
    border-color 0.14s ease, color 0.14s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #5b4ff0, #6f52f0 60%, #7c5cf6);
  box-shadow: 0 1px 2px rgba(63, 52, 201, 0.3), 0 8px 18px -10px rgba(81, 69, 229, 0.8);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #5346e8, #6749ec 60%, #7350f0);
  box-shadow: 0 1px 2px rgba(63, 52, 201, 0.34), 0 12px 22px -12px rgba(81, 69, 229, 0.9);
}

.btn-ghost {
  background: var(--surface);
  color: var(--ink-2);
  border-color: var(--line-2);
  box-shadow: var(--shadow-xs);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: #c9ccd9;
  background: #fdfdff;
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
  transform: none;
}

.btn .ico {
  width: 14px;
  height: 14px;
  flex: none;
}

.input {
  font: inherit;
  font-size: 12.8px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  padding: 8px 11px;
  outline: none;
  min-width: 0;
  transition: border-color 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}

.input::placeholder {
  color: var(--ink-4);
}

.input:hover {
  border-color: #c7cbd8;
}

.input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(81, 69, 229, 0.12);
  background: #fff;
}

select.input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%237b8298' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  cursor: pointer;
}

input[type="search"].input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Ccircle cx='6' cy='6' r='4.2' fill='none' stroke='%237b8298' stroke-width='1.5'/%3E%3Cpath d='M9.2 9.2L12.5 12.5' stroke='%237b8298' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 11px center;
  padding-left: 32px;
}

input[type="search"].input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

.input-sm {
  max-width: 172px;
}

.input-grow {
  flex: 1 1 260px;
}

.row {
  display: flex;
  align-items: center;
  gap: 9px;
}

.row-wrap {
  flex-wrap: wrap;
}

.row-label {
  font-size: 12px;
  color: var(--ink-3);
  width: 60px;
  flex: none;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 9px;
  padding: 7px 11px;
  cursor: pointer;
  user-select: none;
  transition: all 0.14s ease;
}

.toggle:hover {
  border-color: #c7cbd8;
}

.toggle input {
  accent-color: var(--brand);
  cursor: pointer;
  margin: 0;
  width: 13px;
  height: 13px;
}

.toggle.on {
  background: var(--brand-soft);
  border-color: var(--brand-line);
  color: var(--brand-ink);
  font-weight: 600;
}

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

.chip {
  font: inherit;
  font-size: 12px;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 4px 11px;
  cursor: pointer;
  transition: all 0.14s ease;
}

.chip:hover {
  border-color: #c7cbd8;
  color: var(--ink);
}

.chip.on,
.chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.chip-mini {
  font-size: 11px;
  padding: 2px 8px;
}

/* ---------- 5. hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 30px 32px;
  margin-bottom: 22px;
  border: 1px solid #e4e5f7;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(620px 260px at 88% 0%, rgba(124, 92, 246, 0.16), rgba(124, 92, 246, 0) 70%),
    radial-gradient(520px 240px at 4% 100%, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0) 72%),
    linear-gradient(150deg, #fbfbff 0%, #f4f4ff 46%, #f6f9ff 100%);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(81, 69, 229, 0.14) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.18), transparent 46%);
  mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.18), transparent 46%);
}

.hero-main {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand-ink);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  padding: 4px 11px 4px 9px;
  margin-bottom: 12px;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.16);
}

.hero h2 {
  font-size: 27px;
  line-height: 1.32;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.hero p {
  font-size: 13.6px;
  line-height: 1.95;
  color: var(--ink-2);
}

.hero p b {
  color: var(--ink);
  font-weight: 650;
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.hstat {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(81, 69, 229, 0.12);
  border-radius: 12px;
  padding: 11px 13px 12px;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.hstat b {
  display: block;
  font-size: 22px;
  font-weight: 720;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.hstat b.a-good {
  color: var(--brand-ink);
}

.hstat span {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  color: var(--ink-3);
}

/* steps + carrier */
.step-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 2px 10px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}

.step-label b {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  color: var(--brand-ink);
  font-size: 11px;
  font-weight: 700;
}

.carrier-pick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}

.carrier {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  grid-template-areas:
    "ico name num"
    "desc desc desc";
  align-items: center;
  gap: 6px 11px;
  text-align: left;
  font: inherit;
  padding: 15px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease,
    background 0.16s ease;
}

.carrier:hover {
  border-color: #cfd2e6;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.carrier.active {
  border-color: var(--brand);
  background: linear-gradient(160deg, #ffffff 0%, #f7f6ff 100%);
  box-shadow: 0 0 0 3px rgba(81, 69, 229, 0.1), var(--shadow-sm);
}

.carrier.active::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.c-ico {
  grid-area: ico;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--surface-3);
  color: var(--ink-2);
  border: 1px solid var(--line);
  transition: all 0.16s ease;
}

.c-ico svg {
  width: 20px;
  height: 20px;
}

.carrier.active .c-ico {
  background: linear-gradient(140deg, #eef0ff, #e8e6ff);
  color: var(--brand-ink);
  border-color: var(--brand-line);
}

.c-name {
  grid-area: name;
  font-size: 13.6px;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.c-num {
  grid-area: num;
  font-size: 19px;
  font-weight: 720;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.carrier.active .c-num {
  color: var(--brand-ink);
}

.c-desc {
  grid-area: desc;
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.6;
  padding-right: 14px;
}

.carrier-hint {
  margin-top: 11px;
}

.chint {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  padding: 11px 14px;
}

.chint b {
  color: var(--ink);
}

.chint code {
  background: var(--surface-3);
}

/* card shell */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  padding: 16px 18px;
  margin-bottom: 14px;
}

.card-tight {
  padding: 13px 14px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 13.8px;
  font-weight: 650;
  margin: 0 0 7px;
  letter-spacing: -0.01em;
}

.toolbar {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.quickfilters {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.qf-label {
  font-size: 11.5px;
  color: var(--ink-4);
  margin-right: 1px;
}

.qchip {
  font: inherit;
  font-size: 11.8px;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  cursor: pointer;
  transition: all 0.14s ease;
}

.qchip:hover {
  border-color: #c9ccdb;
  color: var(--ink);
  background: #fcfcff;
}

.qchip.on {
  background: var(--brand-soft);
  border-color: var(--brand-line);
  color: var(--brand-ink);
  font-weight: 600;
}

/* meta bar */
.lib-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 16px 2px 12px;
  flex-wrap: wrap;
}

.meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  font-size: 11.8px;
  color: var(--ink-3);
}

.meta-line b {
  color: var(--ink-2);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.meta-line .sep {
  font-style: normal;
  color: #ccd1de;
  margin: 0 2px;
}

.meta-line .live {
  color: #0b7a45;
}

.meta-line .dim {
  color: var(--ink-4);
}

.view-switch {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  background: #eceef5;
  border-radius: 10px;
}

.vs {
  font: inherit;
  font-size: 12px;
  font-weight: 550;
  color: var(--ink-2);
  background: transparent;
  border: 0;
  border-radius: 7px;
  padding: 5px 13px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.vs:hover {
  color: var(--ink);
}

.vs.active {
  background: #fff;
  color: var(--ink);
  font-weight: 650;
  box-shadow: 0 1px 3px rgba(16, 19, 31, 0.12);
}

.track-bar {
  margin: 0 0 12px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hint {
  font-size: 12.6px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 6px 0;
}

.hint-inline {
  font-size: 11.5px;
  color: var(--ink-4);
}

.hint-list {
  margin: 8px 0 0;
  padding-left: 20px;
  font-size: 12.8px;
  line-height: 1.95;
  color: var(--ink-2);
}

.hint-list li {
  margin: 4px 0;
}

.hint-list b {
  color: var(--ink);
}

.notice {
  font-size: 12.6px;
  line-height: 1.9;
  color: var(--ink-2);
  background: #fbfbff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  padding: 12px 15px;
  margin-bottom: 14px;
}

.dig-hint {
  font-size: 12px;
  color: var(--ink-3);
}

/* ---------- 6. opportunity cards ---------- */
.opp-list {
  display: grid;
  gap: 9px;
}

.opp {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 154px 124px;
  gap: 14px;
  align-items: start;
  padding: 14px 16px 13px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition: border-color 0.16s ease, box-shadow 0.18s ease, transform 0.16s ease;
}

.opp:hover {
  border-color: #d3d6e6;
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.opp-rank {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border-radius: 7px;
  background: var(--surface-3);
  color: var(--ink-4);
  font-size: 11px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.opp:nth-child(-n + 3) .opp-rank {
  background: linear-gradient(140deg, #eef0ff, #e6e5ff);
  color: var(--brand-ink);
}

.opp-body {
  min-width: 0;
}

.opp-head {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  min-height: 24px;
}

.opp-kw {
  font-size: 15px;
  font-weight: 680;
  color: var(--ink);
  letter-spacing: -0.012em;
  overflow-wrap: anywhere;
}

.opp-type {
  font-size: 10.5px;
  font-weight: 600;
  padding: 1.5px 7px;
  border-radius: 5px;
  border: 1px solid transparent;
  white-space: nowrap;
  color: var(--ink-3);
  background: var(--surface-3);
}

.opp-type.t-rising,
.opp-type.t-scale {
  color: #b3312d;
  background: var(--up-soft);
  border-color: #f6d7d5;
}

.opp-type.t-brand {
  color: #6b3fc4;
  background: #f4eeff;
  border-color: #e7dbff;
}

.opp-type.t-steady {
  color: #4b5568;
  background: #eef1f7;
  border-color: #e0e5ee;
}

.opp-type.t-red,
.opp-type.t-fading {
  color: #0d7a52;
  background: var(--down-soft);
  border-color: #cdeedd;
}

.opp-type.t-seed,
.opp-type.t-tiny {
  color: #8b6a12;
  background: var(--warn-soft);
  border-color: #f2e2c2;
}

.carrier-tag {
  font-size: 10.5px;
  font-weight: 600;
  padding: 1.5px 7px;
  border-radius: 5px;
  white-space: nowrap;
  border: 1px solid transparent;
}

.ct-web {
  background: #edf1ff;
  color: #3a4fc0;
  border-color: #dbe2ff;
}

.ct-goods {
  background: #fdf1e8;
  color: #a85a13;
  border-color: #f7e0cd;
}

.opp-zh {
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--brand-ink);
  font-weight: 500;
}

.zh-line {
  margin-top: 1px;
  font-size: 12.5px;
  color: var(--brand-ink);
}

.opp-desc {
  margin: 5px 0 0;
  font-size: 12.6px;
  line-height: 1.78;
  color: var(--ink-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.opp-desc-zh {
  margin-top: 2px;
  font-size: 12.2px;
  line-height: 1.75;
  color: var(--ink-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.opp-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.cat-tag {
  font-size: 10.5px;
  color: var(--ink-3);
  background: var(--surface-3);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 7px;
  white-space: nowrap;
}

.mchip {
  display: inline-flex;
  align-items: center;
  font-size: 10.5px;
  font-weight: 550;
  padding: 1.5px 7px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--surface-3);
  color: var(--ink-2);
  white-space: nowrap;
}

.mchip.stag.s-growing {
  color: #b3312d;
  background: var(--up-soft);
  border-color: #f6d7d5;
}
.mchip.stag.s-emerging {
  color: #a8630a;
  background: var(--warn-soft);
  border-color: #f3e1bf;
}
.mchip.stag.s-steady {
  color: #4b5568;
  background: #eef1f7;
  border-color: #e0e5ee;
}
.mchip.stag.s-plateau {
  color: #4a43c8;
  background: var(--brand-soft);
  border-color: var(--brand-line);
}
.mchip.stag.s-cooling,
.mchip.stag.s-declining {
  color: #0d7a52;
  background: var(--down-soft);
  border-color: #cdeedd;
}

.mchip.bst.b-structural {
  color: #3c4bb5;
  background: #eef1ff;
  border-color: #dde3ff;
}
.mchip.bst.b-solid {
  color: #0e7c86;
  background: var(--teal-soft);
  border-color: #cbe8e8;
}
.mchip.bst.b-young {
  color: #a8630a;
  background: var(--warn-soft);
  border-color: #f3e1bf;
}
.mchip.bst.b-flash {
  color: #b3312d;
  background: var(--up-soft);
  border-color: #f6d7d5;
}

.mchip.win.w-open {
  color: #0b7a45;
  background: var(--down-soft);
  border-color: #cdeedd;
}
.mchip.win.w-fresh {
  color: #0e7c86;
  background: var(--teal-soft);
  border-color: #cbe8e8;
}
.mchip.win.w-warming {
  color: #a8630a;
  background: var(--warn-soft);
  border-color: #f3e1bf;
}
.mchip.win.w-crowded {
  color: var(--ink-3);
  background: var(--surface-3);
  border-color: var(--line);
}

.mchip.plat {
  color: #a3216b;
  background: #fff0f7;
  border-color: #fbd9e8;
}

.mchip.evg {
  color: #4a6b12;
  background: #f2f8e9;
  border-color: #dfecc9;
}

.mchip.span-g.sg-up {
  color: #b3312d;
  background: var(--up-soft);
  border-color: #f6d7d5;
  font-weight: 650;
}

.mchip.span-g.sg-down {
  color: #0d7a52;
  background: var(--down-soft);
  border-color: #cdeedd;
}

.form-badge,
.kind-badge {
  font-size: 10.5px;
  font-weight: 600;
  padding: 1.5px 7px;
  border-radius: 5px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.form-badge.f-saas {
  color: #3f34c9;
  background: var(--brand-soft);
  border-color: var(--brand-line);
}
.form-badge.f-app {
  color: #1f5fa8;
  background: #eaf2fd;
  border-color: #d3e4f9;
}
.form-badge.f-tool {
  color: #0e7c86;
  background: var(--teal-soft);
  border-color: #cbe8e8;
}
.form-badge.f-content {
  color: #8a5b12;
  background: var(--warn-soft);
  border-color: #f3e1bf;
}

.kind-badge.k-need {
  color: #0b7a45;
  background: var(--down-soft);
  border-color: #cdeedd;
}
.kind-badge.k-comp {
  color: var(--ink-3);
  background: var(--surface-3);
  border-color: var(--line);
}

.fav {
  margin-left: auto;
  width: 24px;
  height: 24px;
  flex: none;
  display: grid;
  place-items: center;
  font-size: 13px;
  line-height: 1;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink-4);
  cursor: pointer;
  transition: all 0.14s ease;
}

.fav:hover {
  border-color: #f0c33c;
  color: #d99b00;
  background: #fffdf5;
}

.fav.on {
  background: #fff8e1;
  border-color: #f0c33c;
  color: #d99b00;
}

.opp-advice {
  margin-top: 9px;
  padding: 7px 10px;
  font-size: 12.1px;
  line-height: 1.75;
  color: var(--ink-2);
  background: #fafbff;
  border: 1px solid #eef0f8;
  border-radius: 8px;
}

.opp-plat-advice {
  margin-top: 5px;
  font-size: 11.8px;
  line-height: 1.7;
  color: var(--ink-3);
}

.season {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 9px;
}

.season-lbl {
  font-size: 10.5px;
  color: var(--ink-4);
  flex: none;
}

.season-bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 22px;
  flex: 1;
  max-width: 190px;
}

.season-bars .sb {
  flex: 1;
  min-height: 3px;
  border-radius: 2px;
  background: #dfe3ee;
}

.season.strong .season-bars .sb {
  background: #c7cdf7;
}

.season-bars .sb.pk {
  background: linear-gradient(180deg, #6f63f2, #5145e5);
}

.season-note {
  font-size: 10.5px;
  color: var(--ink-3);
  flex: none;
}

.opp-nums {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
  padding-top: 1px;
}

.num b {
  display: block;
  font-size: 13.5px;
  font-weight: 680;
  line-height: 1.3;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.num span {
  display: block;
  font-size: 10px;
  color: var(--ink-4);
  margin-top: 1px;
}

.num b.up,
.num b.rise {
  color: var(--up);
}

.num b.down {
  color: var(--down);
}

.num b .dim,
.dim {
  color: var(--ink-4);
  font-weight: 500;
}

.opp-right {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}

.opp-score {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 9px;
  background: linear-gradient(150deg, #f5f6ff, #eef0ff);
  border: 1px solid #e3e5fb;
  border-radius: 9px;
}

.opp-score b {
  font-size: 17px;
  font-weight: 720;
  line-height: 1;
  color: var(--brand-ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.opp-score span {
  font-size: 9.5px;
  color: var(--ink-3);
  white-space: nowrap;
}

.opp.is-web .opp-score {
  background: linear-gradient(150deg, #f2f5ff, #eaf0ff);
  border-color: #dbe4ff;
}

.opp.is-web .opp-score b {
  color: #3a4fc0;
}

.spark {
  width: 100%;
  height: 32px;
  display: block;
}

.spark-line {
  fill: none;
  stroke: #9aa3b8;
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.spark-line.up {
  stroke: #dc3f3b;
}

.spark-area {
  fill: rgba(154, 163, 184, 0.12);
}

.spark-area.up {
  fill: rgba(220, 63, 59, 0.1);
}

.spark-none {
  font-size: 11px;
  color: var(--ink-4);
  text-align: center;
}

.opp-spark-cap {
  font-size: 9.5px;
  color: var(--ink-4);
  text-align: right;
  line-height: 1;
}

.more-wrap {
  display: flex;
  justify-content: center;
  padding: 18px 0 4px;
}

.more-end {
  font-size: 12px;
  color: var(--ink-4);
}

/* ---------- 7. tracks ---------- */
.track-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 10px;
}

.track {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
}

.track:hover {
  box-shadow: var(--shadow);
  border-color: #d3d6e6;
  transform: translateY(-1px);
}

.track-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.track-head b {
  font-size: 13.8px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.track-count {
  font-size: 11px;
  color: var(--ink-4);
  white-space: nowrap;
}

.track-bar {
  height: 7px;
  margin: 10px 0 8px;
  border-radius: 999px;
  background: #f0f2f8;
  overflow: hidden;
}

.track-bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #6d63f2, #8b7bf8);
}

.track-nums {
  display: flex;
  gap: 16px;
  font-size: 11.5px;
  color: var(--ink-3);
}

.track-nums b {
  color: var(--ink);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

/* ---------- 8. daily ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(312px, 1fr));
  gap: 11px;
}

.tcard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 15px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
}

.tcard:hover {
  box-shadow: var(--shadow);
  border-color: #d3d6e6;
  transform: translateY(-1px);
}

.tcard-top {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.rank {
  flex: none;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--surface-3);
  color: var(--ink-4);
  font-size: 10.5px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.tcard-title {
  font-size: 14.2px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.tcard-title a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
}

.tcard-title a:hover {
  color: var(--brand-ink);
  border-bottom-color: var(--brand-line);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.badge {
  font-size: 10.5px;
  font-weight: 550;
  padding: 1.5px 7px;
  border-radius: 5px;
  background: var(--surface-3);
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.badge-traffic {
  background: var(--up-soft);
  color: #b3312d;
  border-color: #f6d7d5;
}

.badge-geo {
  background: var(--brand-soft);
  color: var(--brand-ink);
  border-color: var(--brand-line);
}

.badge-cat {
  background: #eef7f4;
  color: #0d6f5f;
  border-color: #d3ebe5;
}

.badge-demo {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: #f3e1bf;
}

.rel {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.rel-tag {
  font-size: 11px;
  color: var(--ink-2);
  background: #f8f9fd;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 7px;
}

.rel-tag .en-small {
  color: var(--ink-4);
  margin-left: 4px;
  font-size: 10px;
}

.news {
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--ink-3);
  border-left: 2px solid var(--line);
  padding-left: 9px;
}

.news a {
  color: var(--ink-2);
}

.news a:hover {
  color: var(--brand-ink);
}

.news .src {
  display: block;
  margin-top: 2px;
  color: var(--ink-4);
  font-size: 10.5px;
}

.en-line {
  font-size: 11px;
  color: var(--ink-4);
}

/* ---------- 9. keyword ---------- */
.kw-result {
  display: block;
}

.kw-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.kw-head h2 {
  font-size: 17px;
  font-weight: 700;
  margin-right: 4px;
  letter-spacing: -0.015em;
}

.chart-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  padding: 14px 16px 10px;
  margin-bottom: 14px;
}

.chart {
  width: 100%;
  height: auto;
  display: block;
}

.chart-cap {
  font-size: 11px;
  color: var(--ink-4);
  margin-top: 6px;
}

.kw-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.4px;
}

.tbl th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-4);
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.tbl td {
  padding: 7px 8px;
  border-bottom: 1px solid #f2f4f9;
  color: var(--ink-2);
  vertical-align: top;
}

.tbl tr:last-child td {
  border-bottom: 0;
}

.tbl .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.q-link {
  color: var(--ink);
  border-bottom: 1px solid transparent;
}

.q-link:hover {
  color: var(--brand-ink);
  border-bottom-color: var(--brand-line);
}

.gain {
  color: var(--up);
  font-weight: 650;
}

.gain.down {
  color: var(--down);
}

/* ---------- 10. states ---------- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 34px 12px;
  font-size: 12.8px;
  color: var(--ink-3);
}

.spinner {
  width: 15px;
  height: 15px;
  border: 2px solid #e2e5f0;
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.skeleton {
  color: var(--ink-4);
  font-size: 12px;
}

.empty {
  padding: 44px 16px;
  text-align: center;
  font-size: 12.8px;
  color: var(--ink-3);
  background: var(--surface);
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
}

.err-box {
  white-space: pre-wrap;
  font-size: 12.6px;
  line-height: 1.85;
  color: #8f2b27;
  background: #fdf3f2;
  border: 1px solid #f6d9d6;
  border-left: 3px solid var(--up);
  border-radius: 10px;
  padding: 12px 15px;
  margin: 12px 0;
}

.src-banner {
  font-size: 12.4px;
  line-height: 1.8;
  border-radius: 10px;
  padding: 11px 14px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}

.src-banner.warn {
  background: var(--warn-soft);
  border-color: #f3e1bf;
  color: #7d4f08;
}

.src-banner.info {
  background: var(--brand-soft);
  border-color: var(--brand-line);
  color: var(--brand-ink);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 200;
  transform: translate(-50%, 16px);
  max-width: min(90vw, 520px);
  padding: 10px 16px;
  border-radius: 10px;
  background: rgba(20, 23, 36, 0.94);
  color: #fff;
  font-size: 12.6px;
  line-height: 1.6;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* method details */
.method {
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.method > summary {
  cursor: pointer;
  padding: 13px 16px;
  font-size: 12.8px;
  font-weight: 600;
  color: var(--ink-2);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.14s ease;
}

.method > summary::-webkit-details-marker {
  display: none;
}

.method > summary::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 4.5px solid var(--ink-4);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform 0.16s ease;
}

.method[open] > summary::before {
  transform: rotate(90deg);
}

.method > summary:hover {
  background: #fbfbfe;
}

.method-body {
  padding: 4px 18px 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

.method-body p {
  margin: 10px 0;
}

.method-body code {
  display: inline-block;
  font-size: 11.5px;
  line-height: 1.7;
  background: #f6f7fc;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 9px;
  color: var(--ink-2);
}

.method-body ul {
  margin: 6px 0 12px;
  padding-left: 20px;
}

.method-body li {
  margin: 4px 0;
}

.method-warn {
  padding: 10px 13px;
  background: var(--warn-soft);
  border: 1px solid #f3e1bf;
  border-radius: 8px;
  color: #7d4f08;
}

/* ---------- 11. footer ---------- */
.footer {
  max-width: 1360px;
  margin: 0 auto;
  padding: 26px 26px 34px;
  border-top: 1px solid rgba(16, 19, 31, 0.07);
}

.foot-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.foot-logo {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  flex: none;
}

.foot-name {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.foot-tag {
  font-size: 11.5px;
  color: var(--ink-4);
  margin-top: 1px;
}

.foot-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 12px;
}

.foot-links a {
  color: var(--ink-2);
}

.foot-links a:hover {
  color: var(--brand-ink);
}

.foot-sep {
  color: #ccd1de;
}

.foot-note {
  font-size: 11.5px;
  color: var(--ink-4);
  line-height: 1.8;
}

/* ---------- 12. doc pages ---------- */
.brand-name {
  display: block;
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.018em;
  line-height: 1.25;
}

.doc-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 34px 26px 64px;
}

.doc-hero {
  margin: 0 0 22px;
}

.doc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-ink);
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  border-radius: 6px;
  padding: 3px 8px;
  margin-bottom: 12px;
}

.doc-hero h1 {
  font-size: 30px;
  line-height: 1.28;
  margin: 0 0 10px;
  letter-spacing: -0.022em;
}

.doc-lead {
  font-size: 14.2px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 700px;
}

.doc-meta {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 11.5px;
  color: var(--ink-3);
}

.doc-meta span {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
}

.doc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  padding: 26px 30px 28px;
  margin-bottom: 14px;
}

.doc-card > h2:first-child {
  margin-top: 0;
}

.doc-card h2 {
  font-size: 16px;
  margin: 28px 0 8px;
  padding-left: 12px;
  border-left: 3px solid var(--brand);
  line-height: 1.4;
  letter-spacing: -0.012em;
}

.doc-card h3 {
  font-size: 13.8px;
  margin: 18px 0 5px;
  color: var(--ink);
}

.doc-card p {
  font-size: 13.5px;
  line-height: 1.92;
  color: var(--ink-2);
  margin: 9px 0;
}

.doc-card ul,
.doc-card ol {
  margin: 9px 0;
  padding-left: 22px;
}

.doc-card li {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 5px 0;
}

.doc-card b,
.doc-card strong {
  color: var(--ink);
}

.doc-card a {
  color: var(--brand-ink);
  border-bottom: 1px solid var(--brand-line);
}

.doc-card a:hover {
  border-bottom-color: var(--brand);
}

.callout {
  background: #f8f9ff;
  border: 1px solid #e8eaf9;
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 15px 0;
}

.callout p {
  margin: 0;
  font-size: 12.9px;
}

.callout.warn {
  background: var(--warn-soft);
  border-color: #f3e1bf;
  border-left-color: var(--warn);
}

.email-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: #f8f9ff;
  border: 1px solid #e8eaf9;
  border-radius: 12px;
  padding: 16px 18px;
  margin: 15px 0;
}

.email-text {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 0.2px;
  user-select: all;
  word-break: break-all;
}

.email-hint {
  font-size: 11.5px;
  color: var(--ink-4);
}

.copy-btn {
  font: inherit;
  font-size: 12.3px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.14s ease;
}

.copy-btn:hover {
  border-color: var(--brand);
  color: var(--brand-ink);
  box-shadow: 0 0 0 3px rgba(81, 69, 229, 0.08);
}

.doc-foot-links {
  margin: 24px 0 0;
  display: flex;
  gap: 8px 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.doc-foot-links a {
  color: var(--brand-ink);
}

.doc-foot-links a:hover {
  color: var(--brand);
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .opp {
    grid-template-columns: 26px minmax(0, 1fr) 140px 108px;
    gap: 12px;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 24px 22px;
    gap: 18px;
  }
  .hero h2 {
    font-size: 23px;
  }
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .hstat {
    padding: 9px 11px 10px;
  }
  .hstat b {
    font-size: 18px;
  }
  .kw-cols {
    grid-template-columns: 1fr;
  }
  .opp {
    grid-template-columns: 26px minmax(0, 1fr) 120px;
  }
  .opp-nums {
    display: none;
  }
}

@media (max-width: 760px) {
  .topbar {
    padding: 9px 14px;
    min-height: 58px;
  }
  .tagline {
    display: none;
  }
  .logo {
    width: 34px;
    height: 34px;
  }
  .tabs {
    top: 58px;
    padding: 8px 12px;
  }
  main {
    padding: 16px 14px 36px;
  }
  .hero {
    padding: 20px 16px;
    border-radius: 15px;
  }
  .hero h2 {
    font-size: 20px;
  }
  .hero p {
    font-size: 13px;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .carrier-pick {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .carrier {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    grid-template-areas: "ico name num" "desc desc desc";
    padding: 12px 14px;
  }
  .c-ico {
    width: 38px;
    height: 38px;
  }
  .c-num {
    font-size: 17px;
  }
  .input-sm {
    max-width: none;
    flex: 1 1 132px;
  }
  .lib-bar {
    gap: 8px;
  }
  .view-switch {
    width: 100%;
  }
  .vs {
    flex: 1;
  }
  .opp {
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 10px;
    padding: 12px 13px;
  }
  .opp-right {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-top: 2px;
  }
  .opp-score {
    flex: none;
    min-width: 96px;
  }
  .spark {
    flex: 1;
    height: 30px;
  }
  .opp-spark-cap {
    display: none;
  }
  .opp-desc {
    -webkit-line-clamp: 3;
  }
  .season-bars {
    max-width: none;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .track-list {
    grid-template-columns: 1fr;
  }
  .footer {
    padding: 22px 14px 30px;
  }
  .foot-inner {
    flex-direction: column;
    gap: 12px;
  }
  .doc-main {
    padding: 22px 14px 46px;
  }
  .doc-hero h1 {
    font-size: 23px;
  }
  .doc-card {
    padding: 18px 17px 20px;
    border-radius: 14px;
  }
  .doc-card h2 {
    font-size: 15px;
  }
  .email-text {
    font-size: 14px;
  }
  .topbar-right .pill {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}