/* 景区云导览 · 单页官网 */
:root {
  --ink: #16324a;
  --ink-soft: #3d5a73;
  --brand: #145EA8;
  --brand-deep: #0E4C8C;
  --mint: #e7f3fc;
  --foam: #f3f8fd;
  --line: rgba(30, 90, 160, 0.14);
  --sand: #f0ebe1;
  --accent: #c45c26;
  --max: 1120px;
  --font-display: "Microsoft YaHei", "微软雅黑", sans-serif;
  --font-body: "Microsoft YaHei", "微软雅黑", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--foam);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

/* —— Nav —— */
.site-nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: grid;
  grid-template-columns: 1fr min(var(--max), calc(100% - 40px)) 1fr;
  align-items: center;
  padding: 14px 0;
  background: #E7F2FB;
  box-shadow: 0 1px 0 rgba(27, 110, 196, 0.08);
}
.nav-brand { grid-column: 2; grid-row: 1; justify-self: start; }
.nav-links {
  grid-column: 2; grid-row: 1; justify-self: center;
  display: flex; align-items: center; gap: 4px 22px;
}
.nav-links a {
  color: var(--brand-deep);
  font-size: 1.15rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0.88;
  transition: opacity .2s ease, color .2s ease;
}
.nav-links a:hover { opacity: 1; color: var(--brand); }
.nav-links a.is-on { opacity: 1; color: var(--brand); }
.nav-actions { grid-column: 2; grid-row: 1; justify-self: end; }
.site-nav.is-solid {
  background: #E7F2FB;
  box-shadow: 0 1px 0 rgba(27, 110, 196, 0.12);
}
.nav-brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.05rem; letter-spacing: 0.08em;
  color: var(--brand-deep);
}
html { scroll-behavior: smooth; }
.section, #E7F2FBtures, #cases, #advantages, #free, #cta {
  scroll-margin-top: 76px;
}
.nav-mark {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: linear-gradient(145deg, #145EA8, #2E78C4);
  position: relative;
}
.nav-mark::before {
  content: ""; position: absolute; inset: 9px;
  border: 2px solid rgba(255,255,255,.95);
  border-radius: 50%;
  border-top-color: transparent; border-left-color: transparent;
  transform: rotate(-22deg);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-actions .btn { font-size: 1.12rem; min-height: 44px; padding: 0 20px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 18px;
  font-size: 0.92rem; font-weight: 600;
  border-radius: 8px; border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--brand-deep);
  border-color: rgba(27, 110, 196, 0.28);
}
.btn-ghost:hover { background: rgba(46, 136, 233, 0.08); }
.btn-solid {
  background: var(--brand-deep); color: #fff;
}
.btn-solid:hover { background: var(--brand); }
.btn-lg { min-height: 50px; padding: 0 26px; font-size: 1rem; }

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 66.67vh;
  min-height: 66.67dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-visual {
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(105deg, rgba(14, 48, 92, 0.82) 0%, rgba(22, 78, 140, 0.55) 42%, rgba(30, 100, 170, 0.28) 100%),
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(46, 136, 233, 0.35), transparent 55%),
    linear-gradient(160deg, #0C3F78 0%, #0E4888 38%, #2068B0 70%, #C8DFF6 100%);
}
.hero-visual::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
  opacity: .55;
  animation: gridDrift 28s linear infinite;
}
@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 56px 28px, 56px 28px; }
}
.hero-inner {
  position: relative; z-index: 1;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 28px;
  animation: riseIn .9s cubic-bezier(.2,.8,.25,1) both;
}
.hero-map { width: 100%; min-width: 0; display: flex; justify-content: center; overflow: hidden; }
.hero-map svg { width: 92%; max-width: 100%; height: auto; max-height: 44vh; display: block; overflow: hidden; }
.cn-land {
  fill: rgba(255,255,255,.16);
  stroke: rgba(255,255,255,.88);
  stroke-width: 1.2;
  stroke-linejoin: round;
}
.cn-pin .dot {
  fill: #ffe08a;
  stroke: #fff;
  stroke-width: 1.6;
}
.cn-pin .ring {
  fill: none;
  stroke: #ffe08a;
  stroke-width: 2;
}
.cn-pin text {
  fill: #fff;
  font-size: 22px;
  font-weight: 700;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  paint-order: stroke fill;
  stroke: rgba(14, 48, 92, 0.72);
  stroke-width: 4px;
  stroke-linejoin: round;
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}
.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  max-width: 16em;
  margin-bottom: 14px;
  color: rgba(255,255,255,.94);
}
.hero-lead {
  max-width: 28em;
  font-size: 1.02rem;
  color: rgba(255,255,255,.78);
  margin-bottom: 28px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-ctas .btn-solid { background: #fff; color: var(--brand-deep); }
.hero-ctas .btn-solid:hover { background: var(--mint); }
.hero-ctas .btn-ghost { color: #fff; border-color: rgba(255,255,255,.4); }
.hero-ctas .btn-ghost:hover { background: rgba(255,255,255,.1); }

/* —— Sections —— */
.section { padding: clamp(64px, 10vw, 104px) 0; }
.section-kicker {
  font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--brand); font-weight: 600; margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  font-weight: 700; letter-spacing: 0.03em;
  line-height: 1.25; margin-bottom: 12px;
}
.section-desc {
  max-width: 36em; color: var(--ink-soft); font-size: 1.02rem; margin-bottom: 40px;
}

.feat-band {
  background:
    linear-gradient(180deg, var(--foam) 0%, var(--mint) 48%, var(--foam) 100%);
  padding-bottom: clamp(28px, 4vw, 40px);
}
.why-band.section { padding-top: clamp(28px, 4vw, 40px); }
.feat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.feat-item {
  padding: 28px 22px 28px 0;
  border-bottom: 1px solid var(--line);
  animation: riseIn .8s cubic-bezier(.2,.8,.25,1) both;
}
.feat-item:nth-child(1) { animation-delay: .05s; }
.feat-item:nth-child(2) { animation-delay: .12s; }
.feat-item:nth-child(3) { animation-delay: .18s; }
.feat-item:nth-child(4) { animation-delay: .24s; }
.feat-item:nth-child(5) { animation-delay: .3s; }
.feat-item:nth-child(6) { animation-delay: .36s; }
.feat-num {
  display: block; font-family: var(--font-display);
  font-size: 0.85rem; color: var(--brand); letter-spacing: 0.12em;
  margin-bottom: 10px;
}
.feat-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 700; margin-bottom: 8px;
}
.feat-item p { color: var(--ink-soft); font-size: 0.95rem; max-width: 22em; }

.why-band { background: #fff; }
.why-list { display: grid; gap: 28px; max-width: 720px; }
.why-item {
  display: grid; grid-template-columns: 64px 1fr; gap: 18px; align-items: start;
}
.why-item i {
  font-family: var(--font-display); font-style: normal;
  font-size: 1.5rem; color: var(--brand); letter-spacing: 0.04em;
  line-height: 1.2;
}
.why-item strong {
  display: block; font-family: var(--font-display);
  font-size: 1.15rem; margin-bottom: 6px;
}
.why-item p { color: var(--ink-soft); }

.free-band {
  background:
    linear-gradient(135deg, #0C3F78 0%, #104E94 55%, #145EA8 100%);
  color: #fff;
}
.free-band .section-kicker { color: rgba(255,255,255,.65); }
.free-band .section-title { color: #fff; }
.free-band .section-desc { color: rgba(255,255,255,.78); }
.free-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: end;
}
.free-points { list-style: none; display: grid; gap: 14px; }
.free-points li {
  padding-left: 22px; position: relative;
  font-size: 1.02rem; color: rgba(255,255,255,.9);
}
.free-points li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 8px; height: 8px; border-radius: 2px; background: #ffe8a3;
}
.free-note {
  padding: 22px 0 0;
  border-top: 1px solid rgba(255,255,255,.2);
  font-size: 0.92rem; color: rgba(255,255,255,.72); line-height: 1.7;
}
.free-cta .btn-solid { background: #fff; color: var(--brand-deep); }
.free-cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,.4); margin-top: 12px; }

.live-band { background: var(--sand); }
.live-stat {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700; color: var(--brand-deep);
  letter-spacing: 0.02em;
}
.live-stat span { font-size: 0.45em; margin-left: 6px; font-weight: 600; color: var(--ink-soft); }
.live-band p { margin-top: 10px; color: var(--ink-soft); max-width: 28em; }

.cta-band {
  text-align: center;
  background: var(--foam);
  padding-bottom: 88px;
}
.cta-band .section-title { margin-left: auto; margin-right: auto; }
.cta-band .section-desc { margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

.site-footer {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  background: #fff;
  text-align: center;
  font-size: 0.82rem; color: var(--ink-soft);
}
.site-footer a { color: var(--brand-deep); }
.site-footer a:hover { text-decoration: underline; }

.nav-logo { height: 40px; width: auto; max-width: 160px; object-fit: contain; display: block; }

.section.cases-band { background: #fff; padding: 72px 0 8px; }
.cases-band .wrap { overflow: hidden; }
.cases-band .section-kicker { margin-bottom: 2px; }
.cases-band .section-title { margin-bottom: 8px; font-size: clamp(1.7rem, 3.2vw, 2.2rem); }
.case-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 14px;
  width: max-content;
  padding-bottom: 4px;
  will-change: transform;
}
.case-grid.is-marquee { transform: translate3d(0, 0, 0); }
.case-card {
  flex: 0 0 auto;
  width: calc((min(1120px, 100vw - 40px) - 56px) / 5);
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(30, 90, 160, 0.28);
  border-radius: 12px;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(10,92,68,.12); }
.case-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(145deg, #0C3F78, #2E78C4);
}
.case-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.case-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  padding: 12px;
  text-align: center;
}
.case-name {
  flex: none;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero { min-height: 0; overflow: visible; align-items: stretch; }
  .hero-inner { grid-template-columns: 1fr; gap: 18px; padding: 84px 0 28px; }
  .hero-copy { order: 1; }
  .hero-map { order: 2; }
  .hero-brand { font-size: 1.7rem; }
  .hero-title { font-size: 1.05rem; }
  .hero-lead { font-size: 0.9rem; margin-bottom: 16px; }
  .hero-map svg { max-height: 36vh; width: 80%; margin: 0 auto; }
  .feat-row { grid-template-columns: 1fr 1fr; }
  .free-grid { grid-template-columns: 1fr; gap: 28px; }
  .case-card { width: calc((100vw - 40px - 28px) / 2.4); }
}
@media (max-width: 560px) {
  .feat-row { grid-template-columns: 1fr; }
  .feat-item { padding-right: 0; }
  .why-item { grid-template-columns: 48px 1fr; gap: 12px; }
  .nav-brand span { font-size: 0.95rem; }
  .btn { padding: 0 14px; min-height: 40px; font-size: 0.88rem; }
  .case-card { width: calc((100vw - 40px - 14px) / 2); }
  .price-grid { grid-template-columns: 1fr; }
  .price-hero h1 { font-size: 1.7rem; }
}

/* —— Price page —— */
.page-price { background: var(--foam); }
.price-hero {
  padding: 110px 0 36px;
  text-align: center;
  background:
    linear-gradient(180deg, #E7F2FB 0%, var(--foam) 100%);
}
.price-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--brand-deep);
  letter-spacing: 0.03em;
}
.price-hero p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 1.05rem;
}
.price-hero-note {
  margin-top: 10px !important;
  font-size: 0.9rem !important;
  max-width: 40em;
  margin-left: auto;
  margin-right: auto;
}
.price-band { padding-top: 12px; padding-bottom: 48px; }
.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(30, 90, 160, 0.2);
  border-radius: 14px;
  padding: 22px 18px 20px;
}
.price-card.is-hot {
  border-color: var(--brand);
  box-shadow: 0 12px 32px rgba(30, 90, 160, 0.12);
}
.price-badge {
  position: absolute;
  top: -10px;
  right: 14px;
  background: var(--brand-deep);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.price-card h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.price-amount {
  display: flex;
  align-items: baseline;
  gap: 2px;
  color: var(--brand-deep);
  margin-bottom: 6px;
}
.price-amount em {
  font-style: normal;
  font-size: 1.1rem;
  font-weight: 700;
}
.price-amount strong {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}
.price-amount span {
  margin-left: 4px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-weight: 600;
}
.price-renew {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}
.price-tag {
  font-size: 0.86rem;
  color: var(--ink-soft);
  margin-bottom: 14px;
  min-height: 2.6em;
}
.price-feats {
  list-style: none;
  flex: 1;
  margin: 0 0 18px;
  padding: 0;
  max-height: 360px;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}
.price-feats li {
  position: relative;
  padding: 5px 0 5px 18px;
  font-size: 0.84rem;
  color: var(--ink);
  line-height: 1.4;
}
.price-feats li::before {
  position: absolute;
  left: 0;
  top: 5px;
  font-weight: 700;
}
.price-feats li.ok::before { content: "✓"; color: var(--brand); }
.price-feats li.no {
  color: #8A9AAB;
}
.price-feats li.no::before { content: "✗"; color: #B7C4D0; }
.price-card .btn {
  width: 100%;
  margin-top: auto;
}
.faq-band {
  background: #fff;
  padding-top: 40px;
  padding-bottom: 64px;
}
.faq-list { max-width: 760px; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px 14px 0;
  position: relative;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "▼";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--brand);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(180deg); }
.faq-item p {
  padding: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.faq-item a { color: var(--brand-deep); text-decoration: underline; }

@media (max-width: 1100px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Official help docs ---- */
.help-page{background:var(--foam);min-height:100vh}
.help-page .site-nav.is-solid{background:#E7F2FB;box-shadow:0 1px 0 rgba(27,110,196,.12)}
.help-page .nav-links a.is-active{opacity:1;color:var(--brand);font-weight:700}
.help-hero{
  padding:7.2rem 0 2.4rem;
  background:
    radial-gradient(900px 280px at 12% -10%, rgba(10,143,106,.18), transparent 60%),
    radial-gradient(700px 240px at 88% 0%, rgba(196,92,38,.10), transparent 55%),
    linear-gradient(180deg, #E7F2FB 0%, var(--foam) 100%);
}
.help-hero-inner{text-align:center;max-width:720px;margin:0 auto}
.help-kicker{
  display:inline-block;margin:0 0 .7rem;padding:.2rem .7rem;border-radius:999px;
  background:rgba(10,143,106,.12);color:var(--brand-deep);font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase
}
.help-hero h1{margin:0 0 .55rem;font-size:clamp(1.8rem,3.5vw,2.5rem);color:var(--ink);letter-spacing:.02em}
.help-lead{margin:0 auto 1.4rem;color:var(--ink-soft);max-width:34em}
.help-search{margin:0 auto;max-width:560px}
.help-search-box{
  display:flex;align-items:center;gap:.55rem;padding:.35rem .35rem .35rem .95rem;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:0 10px 30px rgba(18,53,44,.06);transition:border-color .2s,box-shadow .2s
}
.help-search-box:focus-within{border-color:rgba(10,143,106,.45);box-shadow:0 12px 34px rgba(10,143,106,.12)}
.help-search-icon{display:flex;color:var(--brand);flex:none}
.help-search-box input[type=search]{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:.98rem;color:var(--ink);padding:.55rem 0
}
.help-search-box input[type=search]::placeholder{color:#8AA4B8}
.help-search-box .btn{flex:none;border-radius:999px;padding:.65rem 1.15rem}
.help-search-tip{margin:.7rem 0 0;font-size:.88rem;color:var(--ink-soft)}
.help-search-tip a{color:var(--brand);font-weight:600;margin-left:.35rem}
.help-main{padding:1.2rem 0 4.5rem}
.help-layout{display:grid;grid-template-columns:240px 1fr;gap:1.6rem;align-items:start}
.help-aside-card{
  position:sticky;top:5.5rem;background:#fff;border:1px solid var(--line);border-radius:18px;padding:1.05rem .9rem 1rem;
  box-shadow:0 8px 24px rgba(18,53,44,.04)
}
.help-aside h2{margin:0 .35rem 0.85rem;font-size:.92rem;color:var(--ink);letter-spacing:.04em}
.help-cate{
  display:block;padding:.62rem .8rem;margin-bottom:.28rem;color:var(--ink-soft);text-decoration:none;border-radius:10px;
  font-weight:600;font-size:.94rem;transition:background .18s,color .18s,transform .18s
}
.help-cate:hover{background:var(--mint);color:var(--brand-deep);transform:translateX(2px)}
.help-cate.is-on{background:var(--brand);color:#fff}
.help-list-title{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin:0 0 1rem;font-size:1.2rem}
.help-list-title span{font-size:.85rem;font-weight:500;color:#7F93A6}
.help-items{list-style:none;margin:0;padding:0;display:grid;gap:.75rem}
.help-items a{
  display:block;padding:1.05rem 1.2rem;background:#fff;border:1px solid var(--line);border-radius:16px;
  text-decoration:none;color:inherit;transition:border-color .2s,transform .2s,box-shadow .2s
}
.help-items a:hover{border-color:rgba(10,143,106,.35);transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,53,44,.07)}
.help-item-top{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.35rem}
.help-item-top time{font-size:.78rem;color:#8AA4B8}
.help-items strong{display:block;font-size:1.05rem;margin:.1rem 0 .25rem;color:var(--ink)}
.help-items em{display:block;font-style:normal;color:var(--ink-soft);font-size:.92rem;line-height:1.55}
.help-tag{display:inline-block;font-size:.72rem;padding:.18rem .5rem;border-radius:999px;background:var(--mint);color:var(--brand-deep);font-weight:700}
.help-empty{padding:2.2rem 1.5rem;background:#fff;border:1px dashed rgba(10,92,68,.22);border-radius:16px;color:var(--ink-soft);text-align:center}
.help-empty strong{display:block;color:var(--ink);margin-bottom:.4rem;font-size:1.05rem}
.help-detail-page .help-main{padding:6.6rem 0 4.5rem}
.help-detail{width:min(1080px,calc(100% - 48px));margin:0 auto}
.help-detail-head{margin:0 0 1.15rem;padding:0 .2rem}
.help-crumb{display:flex;align-items:center;gap:.45rem;color:#7F93A6;margin:0 0 .7rem;font-size:.9rem}
.help-crumb a{color:var(--brand-deep);font-weight:600}
.help-crumb span{opacity:.45}
.help-detail h1{margin:0 0 .45rem;font-size:clamp(1.7rem,3vw,2.25rem);line-height:1.35;color:var(--ink)}
.help-detail time{display:block;color:#8AA4B8;font-size:.88rem}
.help-body{
  background:#fff;border-radius:20px;padding:2rem 2.6rem 2.2rem;line-height:1.9;
  border:1px solid var(--line);box-shadow:0 14px 40px rgba(18,53,44,.05);
  font-size:1.05rem;color:#243044
}
.help-body p{margin:0 0 1rem}
.help-body h2,.help-body h3,.help-body h4{margin:1.55rem 0 .65rem;color:var(--ink);line-height:1.4;font-weight:700}
.help-body h2{font-size:1.35rem}
.help-body h3{font-size:1.16rem;padding-left:.7rem;border-left:3px solid var(--brand)}
.help-body h4{font-size:1.05rem}
.help-body ul,.help-body ol{margin:0 0 1.1rem;padding-left:1.35rem}
.help-body li{margin:.38rem 0}
.help-body li::marker{color:var(--brand)}
.help-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:2px}
.help-body img{max-width:100% !important;height:auto !important;display:block;margin:.9rem auto !important;border:1px solid #D5E3F0 !important;border-radius:16px !important;box-shadow:0 8px 22px rgba(20,50,90,.08) !important}
.help-body blockquote{margin:1rem 0;padding:.8rem 1rem;background:var(--mint);border-radius:12px;color:var(--ink-soft)}
.help-back{margin-top:1.35rem}
.help-back a{display:inline-flex;align-items:center;color:var(--brand-deep);font-weight:700;text-decoration:none}
.help-back a:hover{color:var(--brand)}
@media (max-width:720px){
  .help-detail{width:min(1080px,calc(100% - 28px))}
  .help-body{padding:1.25rem 1.1rem 1.4rem;font-size:1rem;border-radius:16px}
}
@media (max-width:860px){
  .help-hero{padding:6.4rem 0 1.6rem}
  .help-layout{grid-template-columns:1fr}
  .help-aside-card{position:static;padding:.85rem}
  .help-aside h2{margin-bottom:.55rem}
  .help-aside-card{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center}
  .help-aside-card h2{width:100%}
  .help-cate{margin:0}
  .help-search-box{padding-left:.75rem}
  .help-search-box .btn{padding:.6rem .9rem}
}

/* ---- Theme pages: features / cases / advantages / free ---- */
.nav-links a.is-active { opacity: 1; color: var(--brand); }
.theme-page { padding-top: 74px; }
.theme-hero { padding: 48px 0 12px; background: linear-gradient(180deg, #E7F3FC 0%, #F3F8FD 78%); }
.theme-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  color: var(--brand-deep);
  letter-spacing: 0.02em;
  margin: 8px 0 12px;
}
.theme-hero p { max-width: 40em; color: var(--ink-soft); font-size: 1.05rem; }
.theme-hero-free { background: linear-gradient(160deg, #0C3F78 0%, #145EA8 70%, #246EBA 100%); color: #fff; }
.theme-hero-free h1, .theme-hero-free .section-kicker { color: #fff; }
.theme-hero-free p { color: rgba(255,255,255,.88); }
.theme-body { padding: 28px 0 56px; }
.theme-cta { text-align: center; padding: 8px 0 72px; }
.theme-cta h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); color: var(--brand-deep); margin-bottom: 8px; }
.theme-cta p { color: var(--ink-soft); margin-bottom: 18px; }

.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cap-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 20px 18px;
  box-shadow: 0 8px 24px rgba(27, 110, 196, 0.04);
  animation: riseIn .7s cubic-bezier(.2,.8,.25,1) both;
  transition: transform .25s ease, box-shadow .25s ease;
}
.cap-card:nth-child(2) { animation-delay: .06s; }
.cap-card:nth-child(3) { animation-delay: .12s; }
.cap-card:nth-child(4) { animation-delay: .18s; }
.cap-card:nth-child(5) { animation-delay: .24s; }
.cap-card:nth-child(6) { animation-delay: .30s; }
.cap-card:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(27, 110, 196, 0.12); }
.cap-ico {
  width: 52px; height: 52px; border-radius: 16px;
  background: var(--mint); color: var(--brand-deep);
  display: grid; place-items: center; margin-bottom: 14px;
  animation: icoFloat 3.4s ease-in-out infinite;
}
.cap-card:nth-child(2n) .cap-ico { animation-delay: .4s; }
.cap-ico svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.cap-card h2 { font-size: 1.15rem; margin-bottom: 8px; color: var(--ink); }
.cap-card p { color: var(--ink-soft); font-size: 0.95rem; }
.cap-points { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.cap-points span { font-size: 12px; color: var(--brand-deep); background: var(--mint); border-radius: 999px; padding: 3px 10px; }

.case-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.case-tile {
  display: flex; flex-direction: column;
  background: #fff; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line);
  animation: riseIn .7s cubic-bezier(.2,.8,.25,1) both;
  transition: transform .25s ease, box-shadow .25s ease;
}
.case-tile:nth-child(2) { animation-delay: .05s; }
.case-tile:nth-child(3) { animation-delay: .1s; }
.case-tile:nth-child(4) { animation-delay: .15s; }
.case-tile:nth-child(5) { animation-delay: .2s; }
.case-tile:nth-child(6) { animation-delay: .25s; }
.case-tile:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(27, 110, 196, 0.12); }
.case-cover { aspect-ratio: 1/1; background: var(--mint); overflow: hidden; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.case-tile:hover .case-cover img { transform: scale(1.06); }
.case-ph { display: grid; place-items: center; height: 100%; color: var(--brand); font-weight: 700; letter-spacing: .2em; }
.case-meta { padding: 14px 16px 16px; }
.case-meta h2 {
  font-size: 1.05rem; margin-bottom: 4px;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; overflow: hidden;
}
.case-meta p {
  color: var(--ink-soft); font-size: 0.9rem; line-height: 1.5;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;
}
.case-go { display: inline-block; margin-top: 8px; color: var(--brand); font-size: 0.88rem; font-weight: 700; }
.theme-empty { text-align: center; background: #fff; border-radius: 18px; padding: 48px 20px; border: 1px solid var(--line); }
.theme-empty .cap-ico { margin: 0 auto 14px; }
.theme-empty h2 { margin-bottom: 8px; }
.theme-empty p { color: var(--ink-soft); }

.adv-list { display: flex; flex-direction: column; gap: 16px; }
.adv-row {
  display: grid; grid-template-columns: 108px 1fr; gap: 18px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 26px 26px 22px;
  animation: riseIn .75s cubic-bezier(.2,.8,.25,1) both;
}
.adv-row:nth-child(2) { animation-delay: .1s; }
.adv-row:nth-child(3) { animation-delay: .2s; }
.adv-mark { text-align: center; color: var(--brand-deep); }
.adv-mark svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; animation: icoFloat 3.6s ease-in-out infinite; }
.adv-mark b { display: block; margin-top: 8px; font-size: 1.35rem; letter-spacing: .08em; animation: numPulse 2.6s ease-in-out infinite; }
.adv-row h2 { font-size: 1.35rem; margin-bottom: 8px; color: var(--brand-deep); }
.adv-row p { color: var(--ink-soft); margin-bottom: 10px; }
.adv-row ul { padding-left: 1.1em; color: var(--ink); }
.adv-row li { margin: 4px 0; }

.free-layout { display: grid; grid-template-columns: 1.4fr .8fr; gap: 22px; align-items: start; }
.perk-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.perk-list li {
  display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 16px 14px;
  animation: riseIn .65s cubic-bezier(.2,.8,.25,1) both;
}
.perk-list li:nth-child(2) { animation-delay: .06s; }
.perk-list li:nth-child(3) { animation-delay: .12s; }
.perk-list li:nth-child(4) { animation-delay: .18s; }
.perk-list li:nth-child(5) { animation-delay: .24s; }
.perk-list li:nth-child(6) { animation-delay: .30s; }
.perk-ico {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--mint); color: var(--brand);
  display: grid; place-items: center;
  animation: checkPop .7s cubic-bezier(.2,.8,.25,1) both;
}
.perk-ico svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.perk-list h2 { font-size: 1.05rem; margin-bottom: 4px; }
.perk-list p { color: var(--ink-soft); font-size: 0.95rem; }
.free-aside {
  background: #fff; border-radius: 20px; padding: 24px 22px;
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(27, 110, 196, 0.08);
  display: flex; flex-direction: column; gap: 12px;
  position: sticky; top: 92px;
}
.free-aside-kicker { color: var(--brand); letter-spacing: .16em; font-size: 0.78rem; font-weight: 700; }
.free-aside h2 { font-size: 1.25rem; color: var(--brand-deep); }
.free-aside p { color: var(--ink-soft); }

@keyframes icoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
@keyframes numPulse {
  0%, 100% { opacity: .72; }
  50% { opacity: 1; }
}
@keyframes checkPop {
  0% { transform: scale(.6); opacity: 0; }
  70% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); }
}
@media (max-width: 900px) {
  .cap-grid, .free-layout { grid-template-columns: 1fr; }
  .case-board { grid-template-columns: repeat(2, 1fr); }
  .adv-row { grid-template-columns: 72px 1fr; padding: 18px; }
  .free-aside { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  .cap-card, .case-tile, .adv-row, .perk-list li, .cap-ico, .adv-mark svg, .adv-mark b, .perk-ico {
    animation: none;
  }
}

.case-pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 28px; flex-wrap: wrap; }
.case-pager a, .case-pager span {
  min-width: 40px; height: 40px; padding: 0 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--line); background: #fff;
  color: var(--brand-deep); font-weight: 700;
}
.case-pager a.is-on { background: var(--brand); color: #fff; border-color: var(--brand); }
.case-pager span.is-off { color: #9AADC0; background: #F5F9FC; }

/* ---- Homepage below the hero ---- */
.home-next .nx-feat { background: var(--foam); padding: 64px 0 36px; }
.home-next .nx-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.home-next .nx-head .section-desc { margin-bottom: 0; }
.home-next .nx-head .section-title { margin-bottom: 8px; }
.nx-more { flex: none; color: var(--brand-deep); font-weight: 700; border-bottom: 1px solid transparent; }
.nx-more:hover { color: var(--brand); border-bottom-color: var(--brand); }
.nx-more-light { color: #fff; display: inline-block; margin-top: 8px; }
.nx-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.nx-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px 20px 18px;
  transition: transform .28s ease, box-shadow .28s ease;
}
.nx-card:hover { transform: translateY(-8px); box-shadow: 0 18px 40px rgba(27,110,196,.12); }
.nx-ico {
  width: 48px; height: 48px; border-radius: 14px; background: var(--mint); color: var(--brand-deep);
  display: grid; place-items: center; margin-bottom: 14px;
  animation: nxFloat 3.2s ease-in-out infinite;
}
.nx-card:nth-child(2n) .nx-ico { animation-delay: .5s; }
.nx-ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nx-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.nx-card p { color: var(--ink-soft); font-size: .95rem; }
.home-next .nx-cases { background: #fff; padding: 48px 0 28px; overflow: hidden; }
.home-next .nx-case-rail {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 10px;
}
.home-next .nx-marquee { overflow: hidden; width: 100%; min-width: 0; }
.home-next .case-grid { display: flex; gap: 16px; width: max-content; will-change: transform; }
.home-next .nx-case-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; color: var(--brand-deep);
  font-size: 1.6rem; line-height: 1; cursor: pointer;
  box-shadow: 0 8px 20px rgba(27,110,196,.08);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.home-next .nx-case-btn:hover { background: var(--brand); color: #fff; transform: scale(1.05); }
.home-next .nx-case-btn:active { background: var(--brand-deep); color: #fff; }
@media (max-width: 640px) {
  .home-next .nx-case-rail { grid-template-columns: 36px minmax(0, 1fr) 36px; gap: 6px; }
  .home-next .nx-case-btn { width: 36px; height: 36px; font-size: 1.35rem; }
}
.home-next .case-card {
  width: 240px; flex: none; background: #fff; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--line); transition: transform .28s ease;
}
.home-next .case-card:hover { transform: translateY(-6px); }
.home-next .case-cover { aspect-ratio: 1/1; height: auto; background: var(--mint); overflow: hidden; }
.home-next .case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.home-next .case-card:hover .case-cover img { transform: scale(1.08); }
.home-next .case-name {
  display: block; padding: 12px 14px 14px; font-weight: 700; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.home-next .case-fallback { display: grid; place-items: center; height: 100%; color: var(--brand); font-weight: 700; }
.nx-why { background: var(--foam); padding: 48px 0; }
.nx-why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.nx-why-card {
  background: #fff; border-radius: 20px; padding: 26px 22px 22px; border: 1px solid var(--line);
  transition: transform .28s ease, box-shadow .28s ease;
}
.nx-why-card:hover { transform: translateY(-8px); box-shadow: 0 18px 40px rgba(27,110,196,.12); }
.nx-why-card b {
  display: block; font-size: 2rem; color: var(--brand); letter-spacing: .04em; margin-bottom: 8px;
  animation: nxPulse 2.6s ease-in-out infinite;
}
.nx-why-card h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--brand-deep); }
.nx-why-card p { color: var(--ink-soft); }
.nx-free {
  background: linear-gradient(145deg, #0C3F78 0%, #1256A0 55%, #145EA8 100%);
  color: #fff; padding: 64px 0;
}
.nx-free .section-kicker, .nx-free .section-title { color: #fff; }
.nx-free .section-desc { color: rgba(255,255,255,.82); }
.nx-free-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; }
.nx-perks { list-style: none; display: grid; gap: 10px; margin: 8px 0 16px; }
.nx-perks li {
  padding-left: 28px; position: relative;
  animation: nxRise .7s cubic-bezier(.2,.8,.25,1) both;
}
.nx-perks li:nth-child(2) { animation-delay: .08s; }
.nx-perks li:nth-child(3) { animation-delay: .16s; }
.nx-perks li:nth-child(4) { animation-delay: .24s; }
.nx-perks li:nth-child(5) { animation-delay: .32s; }
.nx-perks li:nth-child(6) { animation-delay: .4s; }
.nx-perks li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px;
  border-left: 2px solid #ffe08a; border-bottom: 2px solid #ffe08a; transform: rotate(-45deg);
}
.nx-note { color: rgba(255,255,255,.75); font-size: .92rem; margin-bottom: 8px; }
.nx-free-panel {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  border-radius: 22px; padding: 28px 24px; display: flex; flex-direction: column; gap: 12px;
}
.nx-free-panel .btn-solid { background: #fff; color: var(--brand-deep); }
.nx-free-panel .btn-ghost { color: #fff; border-color: rgba(255,255,255,.45); }
.nx-live b { font-size: 2.6rem; line-height: 1; }
.nx-live span { margin-left: 6px; color: rgba(255,255,255,.8); }
.nx-close { text-align: center; background: #fff; padding: 56px 0 64px; }
.nx-close h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--brand-deep); margin-bottom: 8px; }
.nx-close p { color: var(--ink-soft); margin-bottom: 18px; }
.nx-close-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.reveal { opacity: 0; transform: translateY(28px); animation: nxRise .8s cubic-bezier(.2,.8,.25,1) forwards; }
.nx-grid .reveal:nth-child(2) { animation-delay: .08s; }
.nx-grid .reveal:nth-child(3) { animation-delay: .16s; }
.nx-grid .reveal:nth-child(4) { animation-delay: .24s; }
.nx-grid .reveal:nth-child(5) { animation-delay: .32s; }
.nx-grid .reveal:nth-child(6) { animation-delay: .4s; }
.nx-why-grid .reveal:nth-child(2) { animation-delay: .12s; }
.nx-why-grid .reveal:nth-child(3) { animation-delay: .24s; }
@keyframes nxRise { to { opacity: 1; transform: none; } }
@keyframes nxFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes nxPulse { 0%,100% { opacity: .65; } 50% { opacity: 1; } }
@media (max-width: 900px) {
  .nx-grid, .nx-why-grid, .nx-free-grid { grid-template-columns: 1fr; }
  .home-next .nx-head { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .nx-ico, .nx-why-card b, .nx-perks li { animation: none; opacity: 1; transform: none; }
}

/* nav current + press */
.nav-links a {
  border-radius: 8px;
  padding: 6px 12px;
  transition: color .2s ease, background .2s ease, opacity .2s ease;
}
.nav-links a:active {
  color: #fff;
  background: var(--brand-deep);
  opacity: 1;
}
.nav-links a.is-active,
.nav-links a.is-on,
.help-page .nav-links a.is-active {
  opacity: 1;
  color: #fff;
  background: var(--brand);
  font-weight: 700;
}

/* ---- Features page richer layout ---- */
.page-features .feat-flow-band { padding: 8px 0 0; background: transparent; }
.page-features .feat-flow {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.page-features .feat-flow > div {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 14px;
  animation: riseIn .7s cubic-bezier(.2,.8,.25,1) both;
}
.page-features .feat-flow > div:nth-child(2) { animation-delay: .08s; }
.page-features .feat-flow > div:nth-child(3) { animation-delay: .16s; }
.page-features .feat-flow > div:nth-child(4) { animation-delay: .24s; }
.page-features .feat-flow em {
  display: block; font-style: normal; color: var(--brand); font-size: .78rem;
  letter-spacing: .14em; font-weight: 700; margin-bottom: 6px;
}
.page-features .feat-flow b { display: block; font-size: 1.05rem; color: var(--brand-deep); margin-bottom: 4px; }
.page-features .feat-flow span { color: var(--ink-soft); font-size: .9rem; }
.page-features .feat-block { margin-bottom: 42px; }
.page-features .feat-block-head { margin-bottom: 18px; max-width: 40em; }
.page-features .feat-block-head h2 {
  font-family: var(--font-display); font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  color: var(--brand-deep); margin-bottom: 6px;
}
.page-features .feat-block-head p:last-child { color: var(--ink-soft); }
.page-features .theme-body { padding-top: 28px; }
@media (max-width: 900px) {
  .page-features .feat-flow { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .page-features .feat-flow { grid-template-columns: 1fr; }
}

/* mobile nav */
.nav-toggle-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.nav-toggle { display: none; }
@media (max-width: 860px) {
  .site-nav {
    grid-template-columns: minmax(0, 1fr) auto auto;
    padding: 10px 14px;
    column-gap: 8px;
  }
  .nav-brand { grid-column: 1; min-width: 0; }
  .nav-logo { height: 32px; max-width: 120px; }
  .nav-actions { grid-column: 2; justify-self: end; gap: 6px; }
  .nav-actions .btn { font-size: 13px; min-height: 34px; padding: 0 10px; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    grid-column: 3; justify-self: end;
    width: 40px; height: 40px; border-radius: 10px;
    background: #fff; border: 1px solid rgba(27,110,196,.18); cursor: pointer;
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after {
    display: block; width: 18px; height: 2px; background: var(--brand-deep);
    border-radius: 2px; position: relative; content: "";
  }
  .nav-toggle span::before { position: absolute; left: 0; top: -6px; }
  .nav-toggle span::after { position: absolute; left: 0; top: 6px; }
  .nav-links {
    display: none;
    grid-column: 1 / -1;
    position: absolute; left: 0; right: 0; top: 100%;
    z-index: 60;
    flex-direction: column; align-items: stretch; justify-self: stretch;
    gap: 4px; padding: 8px 14px 14px;
    background: #E7F2FB;
    box-shadow: 0 12px 24px rgba(27,110,196,.12);
  }
  .nav-toggle-input:checked ~ .nav-links { display: flex; }
  .nav-links a { font-size: 1.05rem; padding: 10px 12px; }
}

/* free edition sheet */
.page-free .theme-hero.theme-hero-free{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:linear-gradient(145deg,#0C3F78 0%,#145EA8 46%,#2E78C4 100%);
  background-size:180% 180%;
  animation:freeWash 16s ease-in-out infinite;
}
.page-free .free-orb{
  position:absolute;border-radius:50%;pointer-events:none;filter:blur(2px);
}
.page-free .free-orb-a{
  width:280px;height:280px;left:-80px;top:-90px;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
  animation:freeDrift 12s ease-in-out infinite;
}
.page-free .free-orb-b{
  width:340px;height:340px;right:-90px;bottom:-140px;
  background:radial-gradient(circle,rgba(183,215,246,.45),transparent 70%);
  animation:freeDrift 15s ease-in-out infinite reverse;
}
.page-free .free-orb-c{
  width:140px;height:140px;right:28%;top:18px;
  background:radial-gradient(circle,rgba(255,255,255,.2),transparent 70%);
  animation:freeDrift 9s ease-in-out infinite 1s;
}
.page-free .free-hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
}
.page-free .section-kicker{
  display:inline-block;margin-bottom:10px;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.16);letter-spacing:.16em;
}
.page-free .theme-hero h1{font-size:clamp(40px,5vw,64px);letter-spacing:.02em}
.page-free .theme-hero-free p{font-size:1.12rem;line-height:1.75;max-width:36em}
.page-free .free-price-card{
  position:relative;overflow:hidden;
  background:#fff;color:#16324a;
  border-radius:24px;padding:26px 26px 22px;
  display:flex;flex-direction:column;gap:8px;
  box-shadow:0 22px 50px rgba(8,40,80,.28);
  animation:freeFloat 5.6s ease-in-out infinite;
}
.page-free .free-price-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(110deg,transparent 30%,rgba(20,94,168,.08) 48%,transparent 62%);
  transform:translateX(-120%);
  animation:freeSheen 4.8s ease-in-out infinite;
}
.page-free .free-price-card p{color:#3d5a73;margin:0}
.page-free .free-price{display:flex;align-items:flex-end;gap:6px;color:#145EA8}
.page-free .free-price b{font-size:4.2rem;line-height:.85;letter-spacing:-.04em}
.page-free .free-price span{margin-bottom:8px;font-size:1.15rem;font-weight:700}
.page-free .free-price-card strong{color:#0E4C8C}
.page-free .free-price-card em{
  font-style:normal;display:inline-block;align-self:flex-start;
  background:#E7F2FB;color:#0E4C8C;border-radius:999px;
  padding:5px 12px;font-weight:700;font-size:.95rem;
  animation:freePulse 2.8s ease-in-out infinite;
}
.page-free .free-price-card .btn{
  position:relative;z-index:1;margin-top:10px;align-self:flex-start;
}
.page-free .theme-body{background:linear-gradient(180deg,#f3f8fd 0%,#fff 28%)}
.page-free .free-sheet{display:grid;gap:34px}
.page-free .free-group h2{font-size:1.45rem;color:#0E4C8C;margin:0 0 16px}
.page-free .free-group ul{list-style:none;display:grid;gap:14px}
.page-free .free-metrics ul{grid-template-columns:repeat(4,1fr)}
.page-free .free-features ul{grid-template-columns:repeat(4,1fr)}
.page-free .free-group li{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid rgba(20,94,168,.12);border-radius:16px;
  padding:14px 16px;color:#16324a;font-weight:600;
  box-shadow:0 10px 24px rgba(20,94,168,.06);
  animation:freeRise .7s ease both;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.page-free .free-metrics li{
  flex-direction:column;align-items:flex-start;justify-content:space-between;
  min-height:156px;padding:20px 18px;font-size:1.05rem;
}
.page-free .free-group li:hover{
  transform:translateY(-5px);
  border-color:rgba(20,94,168,.32);
  box-shadow:0 16px 32px rgba(20,94,168,.14);
}
.page-free .free-group i{
  width:44px;height:44px;flex:none;border-radius:14px;
  display:grid;place-items:center;background:#e8f3ff;color:#145EA8;
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.page-free .free-metrics i{width:48px;height:48px}
.page-free .free-group li:hover i{background:#145EA8;color:#fff;transform:scale(1.06)}
.page-free .free-group svg{
  width:22px;height:22px;fill:none;stroke:currentColor;
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
}
.page-free .free-group li:nth-child(1){animation-delay:0.04s}
.page-free .free-group li:nth-child(2){animation-delay:0.08s}
.page-free .free-group li:nth-child(3){animation-delay:0.12s}
.page-free .free-group li:nth-child(4){animation-delay:0.16s}
.page-free .free-group li:nth-child(5){animation-delay:0.20s}
.page-free .free-group li:nth-child(6){animation-delay:0.24s}
.page-free .free-group li:nth-child(7){animation-delay:0.28s}
.page-free .free-group li:nth-child(8){animation-delay:0.32s}
.page-free .free-group li:nth-child(9){animation-delay:0.36s}
.page-free .free-group li:nth-child(10){animation-delay:0.40s}
.page-free .free-group li:nth-child(11){animation-delay:0.44s}
.page-free .free-group li:nth-child(12){animation-delay:0.48s}
.page-free .free-group li:nth-child(13){animation-delay:0.52s}
.page-free .free-group li:nth-child(14){animation-delay:0.56s}
.page-free .free-group li:nth-child(15){animation-delay:0.60s}
.page-free .free-group li:nth-child(16){animation-delay:0.64s}
.page-free .free-group li:nth-child(17){animation-delay:0.68s}
.page-free .free-group li:nth-child(18){animation-delay:0.72s}
.page-free .free-group li:nth-child(19){animation-delay:0.76s}
.page-free .free-group li:nth-child(20){animation-delay:0.80s}
@keyframes freeWash{0%,100%{background-position:0% 40%}50%{background-position:100% 60%}}
@keyframes freeDrift{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(18px,14px,0)}}
@keyframes freeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes freeSheen{0%,55%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
@keyframes freePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
@keyframes freeRise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media (max-width:1100px){
  .page-free .free-metrics ul,.page-free .free-features ul{grid-template-columns:1fr 1fr}
}
@media (max-width:800px){
  .page-free .free-hero-grid,
  .page-free .free-metrics ul,
  .page-free .free-features ul{grid-template-columns:1fr}
  .page-free .theme-hero.theme-hero-free{padding:36px 0 42px}
  .page-free .free-price-card{animation:none}
}
@media (prefers-reduced-motion:reduce){
  .page-free .theme-hero.theme-hero-free,
  .page-free .free-orb,
  .page-free .free-price-card,
  .page-free .free-price-card::after,
  .page-free .free-price-card em,
  .page-free .free-group li{animation:none}
}

/* column promo bar */
.page-ad {
  background: linear-gradient(90deg, #0E4C8C 0%, #145EA8 55%, #2E78C4 100%);
  color: #fff;
}
.help-page .page-ad { margin-top: 74px; }
.page-ad-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 12px 0;
}
.page-ad p { margin: 0; font-size: 1.02rem; line-height: 1.5; }
.page-ad em {
  font-style: normal;
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #fff;
  color: var(--brand-deep);
  font-weight: 700;
  font-size: .85rem;
}
.page-ad .btn { background: #fff; color: var(--brand-deep); flex: none; min-height: 36px; }
.theme-page .theme-hero { padding-top: 28px; }
.help-page .help-hero { padding-top: 28px; }
.help-detail-page .page-ad + .help-main { padding-top: 18px; }
@media (max-width: 720px) {
  .page-ad-inner { flex-direction: column; align-items: flex-start; padding: 14px 0; }
}