/* ============================================================
   一稿 · Landing
   ============================================================ */

body.landing {
  background-color: var(--bg);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E"),
    radial-gradient(1000px 560px at 76% -10%, var(--acc-soft), transparent 60%),
    radial-gradient(680px 420px at 2% 14%, rgba(18, 184, 134, 0.055), transparent 58%),
    radial-gradient(900px 700px at 50% 108%, rgba(18, 184, 134, 0.05), transparent 62%);
  background-attachment: fixed;
  background-repeat: repeat, no-repeat, no-repeat, no-repeat;
}

/* ---------------- Nav ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--nav-h);
  backdrop-filter: blur(18px) saturate(1.6);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.stuck { border-bottom-color: var(--line); }

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  font-size: 16.5px;
  letter-spacing: -0.03em;
  flex: none;
}
.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(150deg, var(--acc) 0%, var(--acc-deep) 55%, #0b8a61 100%);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 4px 14px -6px var(--acc), inset 0 1px 0 rgba(255,255,255,.3);
  flex: none;
}
.logo-mark svg { width: 17px; height: 17px; }
.logo small {
  font-size: 11px;
  font-weight: 500;
  color: var(--faint);
  letter-spacing: 0.02em;
  padding-left: 9px;
  margin-left: 2px;
  border-left: 1px solid var(--line);
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 7px 13px;
  border-radius: 99px;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--ink); background: var(--surface-2); }

.nav-acts {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 62px 0 40px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 1.18fr;
  gap: 52px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 4.5vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.038em;
  margin: 18px 0 0;
}
.hero h1 em {
  font-style: normal;
  color: var(--acc-deep);
  background: linear-gradient(to top, var(--acc-soft) 0 23%, transparent 23%);
  padding: 0 2px;
}

.hero-sub {
  margin-top: 20px;
  font-size: 16.5px;
  line-height: 1.68;
  color: var(--ink-2);
  max-width: 46ch;
}
.hero-sub b { color: var(--ink); font-weight: 600; }

.hero-cta {
  display: flex;
  gap: 10px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  font-size: 12.5px;
  color: var(--muted);
  flex-wrap: wrap;
}
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { width: 14px; height: 14px; color: var(--acc); flex: none; }

/* ---------------- Hero visual: product shot ---------------- */
.shot {
  position: relative;
  perspective: 1600px;
}
.shot::before {
  content: "";
  position: absolute;
  inset: -14% -8% -18% -6%;
  background: radial-gradient(closest-side, var(--acc-soft), transparent 72%);
  z-index: 0;
  pointer-events: none;
}

.shot-frame {
  position: relative;
  z-index: 1;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.9) inset,
    0 40px 80px -40px rgba(20,23,26,0.42),
    0 8px 24px -12px rgba(20,23,26,0.18);
  overflow: hidden;
  transform: rotateY(-7deg) rotateX(2.5deg) scale(1.01);
  transform-origin: 55% 50%;
  transition: transform 0.9s var(--ease);
}
.shot:hover .shot-frame { transform: rotateY(-2deg) rotateX(0.5deg) scale(1.02); }

.shot-bar {
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.shot-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.shot-url {
  margin-left: 8px;
  font-size: 10.5px;
  color: var(--faint);
  font-family: var(--mono);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 2px 10px;
  letter-spacing: 0.01em;
}

.shot-body {
  display: grid;
  grid-template-columns: 118px 1fr;
  height: 428px;
}

.shot-side {
  border-right: 1px solid var(--line);
  padding: 12px 9px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: var(--surface-2);
}
.shot-side-label {
  font-size: 9px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 6px 7px 4px;
  font-weight: 600;
}
.shot-chip {
  font-size: 11px;
  color: var(--muted);
  padding: 6px 7px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shot-chip.active { background: var(--acc-soft); color: var(--acc-deep); font-weight: 600; }
.shot-chip i {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; opacity: .45; flex: none;
}

.shot-main {
  padding: 14px 14px 0;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.shot-ask {
  font-size: 12px;
  color: var(--ink-2);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 11px;
  line-height: 1.5;
  margin-bottom: 11px;
}
.shot-ask b { color: var(--ink); font-weight: 600; }
.shot-ask .sh-tag {
  display: inline-block;
  font-size: 9.5px;
  color: var(--acc-deep);
  background: var(--acc-soft);
  border-radius: 4px;
  padding: 1px 5px;
  margin-right: 5px;
  vertical-align: 1px;
  font-weight: 600;
}

.shot-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: minmax(0, 1fr);
  gap: 9px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.shot-col {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 9px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}
.shot-col-head {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-2);
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 7px;
}
.shot-col-head .m {
  width: 13px; height: 13px; border-radius: 4px;
  background: var(--acc-soft); color: var(--acc-deep);
  display: grid; place-items: center; font-size: 8px; font-weight: 700;
  flex: none;
}
.shot-col-head .t { margin-left: auto; font-weight: 500; color: var(--faint); font-family: var(--mono); font-size: 9px; }

.shot-line {
  height: 6px;
  border-radius: 3px;
  background: var(--line);
  margin-bottom: 6px;
}
.shot-line.w90 { width: 90%; }
.shot-line.w75 { width: 75%; }
.shot-line.w60 { width: 60%; }
.shot-line.w45 { width: 45%; }
.shot-line.acc { background: var(--acc-line); }
.shot-line.hd { height: 8px; width: 52%; background: var(--line-strong); margin-bottom: 9px; }

.shot-cursor {
  display: inline-block;
  width: 2px; height: 11px;
  background: var(--acc);
  vertical-align: -1px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

.shot-foot {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 8px 0 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--faint);
}
.shot-foot .pill {
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 2px 8px;
  font-size: 9.5px;
}
.shot-foot .send {
  margin-left: auto;
  background: var(--acc);
  color: #fff;
  border-radius: 99px;
  padding: 3px 11px;
  font-size: 9.5px;
  font-weight: 600;
}

/* floating badges */
.shot-badge {
  position: absolute;
  z-index: 2;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  padding: 8px 13px;
  font-size: 11.5px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 7px;
  animation: floaty 5.5s ease-in-out infinite;
}
.shot-badge svg { width: 14px; height: 14px; color: var(--acc); }
.shot-badge.b1 { right: -18px; top: 12%; animation-delay: -1s; }
.shot-badge.b2 { left: -22px; bottom: 14%; animation-delay: -3s; }
.shot-badge small { color: var(--muted); font-weight: 500; font-size: 10.5px; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------------- Trust strip ---------------- */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 46px;
  padding: 17px 0;
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}
.strip-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  overflow-x: auto;
  scrollbar-width: none;
}
.strip-inner::-webkit-scrollbar { display: none; }
.strip-label {
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 600;
  white-space: nowrap;
  flex: none;
}
.strip-item {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  letter-spacing: -0.01em;
  transition: color 0.25s;
  flex: none;
}
.strip-item:hover { color: var(--ink); }

/* ---------------- Section shell ---------------- */
.sec { padding: 92px 0; }
.sec-tight { padding: 64px 0; }

.sec-head {
  max-width: 660px;
  margin-bottom: 46px;
}
.sec-head h2 {
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.034em;
  margin-top: 14px;
}
.sec-head p {
  margin-top: 15px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.7;
  max-width: 56ch;
}

/* ---------------- Pain list ---------------- */
.pain {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
}

.pain-list { display: grid; gap: 0; }

.pain-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  transition: padding-left 0.3s var(--ease);
}
.pain-item:last-child { border-bottom: 1px solid var(--line); }
.pain-item:hover { padding-left: 6px; }

.pain-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  padding-top: 3px;
  letter-spacing: 0.02em;
}
.pain-item h3 {
  font-size: 16.5px;
  letter-spacing: -0.02em;
  margin-bottom: 5px;
}
.pain-item p {
  font-size: 13.8px;
  color: var(--muted);
  line-height: 1.62;
  max-width: 48ch;
}
.pain-item p b { color: var(--ink-2); font-weight: 600; }

.pain-quote {
  position: sticky;
  top: calc(var(--nav-h) + 30px);
}
.pain-quote blockquote {
  margin: 0;
  font-size: 21px;
  line-height: 1.5;
  letter-spacing: -0.028em;
  color: var(--ink);
  font-weight: 500;
  padding-left: 22px;
  border-left: 2px solid var(--acc);
}
.pain-quote blockquote span { color: var(--acc-deep); }
.pain-quote .sig {
  margin-top: 18px;
  padding-left: 24px;
  font-size: 13px;
  color: var(--faint);
}

/* ---------------- Bento features ---------------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}
.card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 17.5px;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}
.card p {
  font-size: 13.8px;
  color: var(--muted);
  line-height: 1.64;
  max-width: 42ch;
}
.card .ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--acc-soft);
  color: var(--acc-deep);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.card .ico svg { width: 18px; height: 18px; }

.c-6 { grid-column: span 6; }
.c-4 { grid-column: span 4; }
.c-5 { grid-column: span 5; }
.c-7 { grid-column: span 7; }
.c-8 { grid-column: span 8; }
.c-3 { grid-column: span 3; }

.section, section[id], .sec { scroll-margin-top: 82px; }

.card-hero {
  grid-column: span 7;
  min-height: 268px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    radial-gradient(600px 260px at 90% -20%, var(--acc-soft), transparent 70%),
    var(--surface);
}

/* mini compare mock inside big card */
.mini-compare {
  position: absolute;
  top: 22px; right: 22px; left: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  pointer-events: none;
}
.mini-card {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
  padding: 8px 9px;
}
.mini-card .mh {
  display: flex; align-items: center; gap: 4px;
  font-size: 9.5px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 6px;
}
.mini-card .mh i {
  width: 11px; height: 11px; border-radius: 3px;
  background: var(--acc-line); display: block; flex: none;
}
.mini-card .ml { height: 5px; border-radius: 3px; background: var(--line); margin-bottom: 5px; }
.mini-card .ml.s { width: 62%; }
.mini-card .ml.m { width: 82%; }
.mini-card .ml.f { width: 44%; background: var(--acc-line); }

/* prompt chips inside card */
.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}
.chip-cloud span {
  font-size: 11.5px;
  color: var(--ink-2);
  border: 1px solid var(--line);
  background: var(--surface-2);
  border-radius: 99px;
  padding: 4px 10px;
  transition: all 0.2s;
}
.chip-cloud span:hover { border-color: var(--acc-line); color: var(--acc-deep); background: var(--acc-soft); }

/* file stack decoration */
.file-stack {
  position: absolute;
  right: 20px;
  bottom: 18px;
  display: flex;
  gap: 9px;
  pointer-events: none;
}
.file-stack .fs {
  width: 78px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
  padding: 8px 9px;
  box-shadow: var(--shadow-sm);
}
.file-stack .fs b {
  display: block;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.06em;
  color: var(--acc-deep);
  margin-bottom: 7px;
}
.file-stack .fs span {
  display: block;
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  margin-bottom: 4px;
}
.file-stack .fs span.s { width: 58%; }
.file-stack .f1 { transform: rotate(-3deg); }
.file-stack .f2 { transform: translateY(-12px) rotate(3deg); }

/* ---------------- Model wall ---------------- */
.model-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}
.model-cell {
  padding: 22px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.25s;
}
.model-cell:nth-child(4n) { border-right: none; }
.model-cell:nth-last-child(-n+4) { border-bottom: none; }
.model-cell:hover { background: var(--surface-2); }
.model-cell .nm {
  font-size: 14.5px;
  font-weight: 620;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 7px;
}
.model-cell .nm i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--acc); flex: none;
  box-shadow: 0 0 0 3px var(--acc-soft);
}
.model-cell .ds {
  margin-top: 5px;
  font-size: 12.2px;
  color: var(--faint);
  line-height: 1.5;
}

/* ---------------- Workflow / steps ---------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.step {
  padding: 30px 26px 30px 0;
  border-right: 1px solid var(--line);
  position: relative;
}
.step:last-child { border-right: none; padding-right: 0; }
.step:not(:first-child) { padding-left: 26px; }
.step-n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--acc-deep);
  background: var(--acc-soft);
  border-radius: 5px;
  padding: 2px 7px;
  display: inline-block;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.step h3 { font-size: 16.5px; margin-bottom: 7px; }
.step p { font-size: 13.6px; color: var(--muted); line-height: 1.65; }

/* ---------------- Pricing ---------------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}

.plan {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s, border-color 0.3s;
}
.plan:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.plan.pro {
  border-color: var(--acc);
  padding-top: 40px;
  box-shadow: 0 0 0 1px var(--acc), 0 24px 60px -34px var(--acc);
  overflow: hidden;
}
.plan.pro::after {
  content: "最受欢迎 · 买的人最多";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--acc);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 5px 0;
}

.plan-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan-for {
  font-size: 12.5px;
  color: var(--faint);
  margin-top: 5px;
}
.plan-price {
  margin: 20px 0 4px;
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.plan-price .cur { font-size: 19px; font-weight: 500; color: var(--ink-2); }
.plan-price .num {
  font-size: 44px;
  font-weight: 660;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.plan-price .sub {
  font-size: 13px;
  color: var(--muted);
  margin-left: 5px;
  font-weight: 500;
}
.plan-was {
  font-size: 12.5px;
  color: var(--faint);
  margin-bottom: 20px;
}
.plan-was s { color: var(--faint); opacity: 0.75; }

.plan ul {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 18px 0 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.plan li {
  display: grid;
  grid-template-columns: 17px 1fr;
  gap: 9px;
  font-size: 13.4px;
  color: var(--ink-2);
  line-height: 1.5;
}
.plan li svg { width: 15px; height: 15px; color: var(--acc); margin-top: 2px; }
.plan li.off { color: var(--faint); }
.plan li.off svg { color: var(--faint); opacity: 0.55; }

.plan .btn { width: 100%; margin-top: auto; }

.price-foot {
  margin-top: 20px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted);
  align-items: center;
}
.price-foot span { display: inline-flex; align-items: center; gap: 6px; }
.price-foot svg { width: 14px; height: 14px; color: var(--acc); }

/* ---------------- FAQ ---------------- */
.faq-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 56px;
  align-items: start;
}

.faq-list { border-top: 1px solid var(--line); }

details.faq {
  border-bottom: 1px solid var(--line);
}
details.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 19px 34px 19px 0;
  font-size: 15.2px;
  font-weight: 560;
  letter-spacing: -0.015em;
  position: relative;
  transition: color 0.2s;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary:hover { color: var(--acc-deep); }
details.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1.6px solid var(--faint);
  border-bottom: 1.6px solid var(--faint);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.28s var(--ease);
}
details.faq[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
details.faq .ans {
  padding: 0 40px 20px 0;
  font-size: 13.8px;
  color: var(--muted);
  line-height: 1.72;
  animation: fadeDown 0.35s var(--ease);
}
details.faq .ans b { color: var(--ink-2); font-weight: 600; }
details.faq .ans code {
  font-family: var(--mono);
  font-size: 12.2px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}

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

/* ---------------- Final CTA ---------------- */
.final {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: linear-gradient(140deg, #0f1a17 0%, #10201b 46%, #0c1512 100%);
  color: #eef6f2;
  padding: 66px 56px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
}
.final::before {
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  right: -160px; top: -280px;
  background: radial-gradient(closest-side, rgba(35, 211, 155, 0.28), transparent 70%);
  pointer-events: none;
}
.final::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000, transparent 75%);
  pointer-events: none;
}
.final > * { position: relative; z-index: 1; }
.final h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.036em;
  color: #f4faf7;
}
.final h2 em { font-style: normal; color: #35e2a8; }
.final p {
  margin-top: 16px;
  color: rgba(232, 245, 240, 0.62);
  font-size: 15px;
  max-width: 46ch;
  line-height: 1.68;
}
.final .acts { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.final .btn-primary { background: #23d39b; color: #06231a; }
.final .btn-primary:hover { background: #3ae6b0; }
.final .btn-outline {
  border: 1px solid rgba(255,255,255,0.2);
  color: #eef6f2;
}
.final .btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.34); }

.final-stats {
  display: grid;
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.09);
}
.final-stat {
  background: rgba(255,255,255,0.03);
  padding: 17px 20px;
  backdrop-filter: blur(8px);
}
.final-stat .k {
  font-size: 24px;
  font-weight: 640;
  letter-spacing: -0.03em;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.final-stat .v { font-size: 12px; color: rgba(232,245,240,0.5); margin-top: 2px; }

/* ---------------- Footer ---------------- */
.foot {
  padding: 46px 0 40px;
  border-top: 1px solid var(--line);
  margin-top: 80px;
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.foot-brand p {
  font-size: 13px;
  color: var(--faint);
  margin-top: 10px;
  max-width: 34ch;
  line-height: 1.6;
}
.foot-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot-col h4 {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 600;
  margin-bottom: 12px;
}
.foot-col a {
  display: block;
  font-size: 13.2px;
  color: var(--muted);
  padding: 4px 0;
  transition: color 0.2s;
}
.foot-col a:hover { color: var(--ink); }
.foot-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--faint);
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: clamp(34px, 6.4vw, 52px); }
  .shot-frame { transform: none; }
  .shot:hover .shot-frame { transform: none; }
  .shot-badge.b1 { right: 6px; }
  .shot-badge.b2 { left: 6px; }
  .pain { grid-template-columns: 1fr; gap: 34px; }
  .pain-quote { position: static; order: -1; }
  .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .model-wall { grid-template-columns: repeat(2, 1fr); }
  .model-cell:nth-child(4n) { border-right: 1px solid var(--line); }
  .model-cell:nth-child(2n) { border-right: none; }
  .model-cell:nth-last-child(-n+4) { border-bottom: 1px solid var(--line); }
  .model-cell:nth-last-child(-n+2) { border-bottom: none; }
  .c-6, .c-4, .c-5, .c-7, .c-8, .c-3, .card-hero { grid-column: span 12; }
  .final { grid-template-columns: 1fr; padding: 44px 30px; }
  .price-grid { grid-template-columns: 1fr; }
  .plan.pro { order: -1; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--line); padding: 24px 0 !important; }
  .step:last-child { border-bottom: none; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  .nav-links { display: none; }
  .nav-acts .btn-primary { display: none; }
  .nav-acts .btn-ghost { display: inline-flex; }
  .hero { padding: 28px 0 20px; }
  .hero h1 { font-size: clamp(31px, 8.6vw, 40px); letter-spacing: -0.035em; }
  .hero-sub { font-size: 15.2px; margin-top: 16px; }
  .hero-cta { margin-top: 24px; gap: 8px; }
  .hero-cta .btn-lg { height: 48px; font-size: 14.5px; padding: 0 20px; }
  .hero-cta .btn { flex: 1; }
  .hero-note { margin-top: 18px; gap: 12px; font-size: 12px; }
  .sec { padding: 56px 0; }
  .sec-head { margin-bottom: 30px; }
  .shot-body { grid-template-columns: 1fr; height: auto; }
  .shot-side { display: none; }
  .shot-cols { grid-template-columns: 1fr; }
  .shot-col:last-child { display: none; }
  .shot-badge { display: none; }
  .foot-cols { gap: 32px; }
  .final { border-radius: var(--r-lg); }
  .card { padding: 22px; }
  .mini-compare { position: static; margin-bottom: 20px; }
  .card-hero { min-height: auto; justify-content: flex-start; }
  .file-stack { position: static; margin-top: 18px; }
  .steps { border-top: none; }
  .price-grid { gap: 12px; }
}

/* ============================================================
   2.0 视觉升级层
   ============================================================ */

/* ---------- Hero 标题逐行揭示 ---------- */
.hero h1 .line {
  display: block;
  overflow: hidden;
  padding-bottom: 2px;
}
.hero h1 .line > span {
  display: block;
  transform: translateY(108%);
  animation: lineUp 1s var(--ease) forwards;
  animation-delay: var(--ld, 0ms);
}
@keyframes lineUp {
  to { transform: translateY(0); }
}

/* ---------- 产品截图的真实内容 ---------- */
.shot-frame {
  border: 1px solid color-mix(in srgb, var(--line-strong) 80%, transparent);
  background: var(--surface);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 1px 1px rgba(20, 23, 26, 0.03),
    0 18px 40px -24px rgba(20, 23, 26, 0.3),
    0 50px 100px -50px rgba(20, 23, 26, 0.4);
}

[data-theme="dark"] .shot-frame {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 18px 40px -24px rgba(0, 0, 0, 0.7),
    0 60px 110px -50px rgba(0, 0, 0, 0.9);
}

.md-mini {
  font-size: 9px;
  line-height: 1.5;
  min-width: 0;
  overflow: hidden;
  color: var(--ink-2);
  letter-spacing: -0.005em;
}
.md-mini h5 {
  font-size: 10px;
  font-weight: 650;
  color: var(--ink);
  margin: 0 0 5px;
  letter-spacing: -0.02em;
}
.md-mini .lead {
  margin: 0 0 5px;
  color: var(--ink-2);
}
.md-mini .lead b { color: var(--ink); font-weight: 640; }
.md-mini .sb {
  font-size: 8.5px;
  font-weight: 650;
  color: var(--acc-deep);
  letter-spacing: 0.02em;
  margin: 6px 0 2px;
}
.md-mini .li {
  display: flex;
  gap: 4px;
  margin-bottom: 2px;
}
.md-mini .li i {
  font-style: normal;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 8.5px;
  flex: none;
  padding-top: 1px;
}
.md-mini .tbl {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 3px;
}
.md-mini .tr {
  display: grid;
  grid-template-columns: 1fr 42px;
  gap: 0;
  border-bottom: 1px solid var(--line);
}
.md-mini .tr:last-child { border-bottom: none; }
.md-mini .tr > span {
  padding: 2px 5px;
  font-size: 8.6px;
  border-right: 1px solid var(--line);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.md-mini .tr > span:last-child { border-right: none; color: var(--muted); }
.md-mini .tr.hd { background: var(--bg-alt); }
.md-mini .tr.hd > span { font-weight: 620; color: var(--ink); }
.md-mini .quote {
  border-left: 1.5px solid var(--acc-line);
  padding-left: 6px;
  color: var(--muted);
  margin-top: 5px;
}

/* ---------- Spotlight hover（Bento 卡片） ---------- */
.card {
  --mx: 50%;
  --my: 0%;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(340px circle at var(--mx) var(--my), var(--acc-soft), transparent 55%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
  z-index: 0;
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

/* 卡片顶部细高光 */
.card::after {
  content: "";
  position: absolute;
  top: 0; left: 14%; right: 14%;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--acc) 45%, transparent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover::after { opacity: 1; }

/* ---------- 算账对比区块 ---------- */
.bill {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}
.bill-side {
  padding: 34px 32px;
  position: relative;
}
.bill-side + .bill-side {
  border-left: 1px solid var(--line);
  background:
    radial-gradient(420px 220px at 80% 0%, var(--acc-soft), transparent 70%),
    var(--surface);
}
.bill-tag {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 22px;
}
.bill-side.us .bill-tag { color: var(--acc-deep); }
.bill-tag .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--faint);
}
.bill-side.us .bill-tag .dot { background: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }

.bill-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.4px;
  color: var(--ink-2);
}
.bill-row:last-of-type { border-bottom: none; }
.bill-row .k { color: var(--muted); }
.bill-row .v {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.bill-row.total {
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  border-bottom: none;
}
.bill-row.total .k { font-weight: 600; color: var(--ink); }

.bill-bar {
  height: 9px;
  border-radius: 5px;
  background: var(--line);
  margin-top: 18px;
  overflow: hidden;
  display: flex;
}
.bill-bar i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--faint);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.1s var(--ease) 0.15s;
}
.bill-bar i.on { transform: scaleX(1); }
.bill-side.us .bill-bar i { background: var(--acc); }

.bill-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--faint);
  line-height: 1.55;
}

.bill-callout {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding: 20px 32px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13.5px;
  color: var(--ink-2);
  flex-wrap: wrap;
}
.bill-callout b {
  font-size: 19px;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-weight: 660;
}
.bill-callout .sep { width: 1px; height: 18px; background: var(--line); }
.bill-callout .hi { color: var(--acc-deep); font-weight: 600; }

/* ---------- 定价卡片微调 ---------- */
.plan-price .num { letter-spacing: -0.05em; }
.plan-daily {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--acc-deep);
  background: var(--acc-soft);
  border-radius: 99px;
  padding: 2px 9px;
  margin-left: 4px;
  vertical-align: 3px;
  font-weight: 600;
}

/* ---------- 导航胶囊 ---------- */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 3px;
  height: 1.5px;
  background: var(--acc);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover::after { transform: scaleX(1); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .bill { grid-template-columns: 1fr; }
  .bill-side + .bill-side { border-left: none; border-top: 1px solid var(--line); }
  .bill-side { padding: 26px 22px; }
  .bill-callout { padding: 18px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero h1 .line > span { transform: none; animation: none; }
  .bill-bar i { transform: scaleX(1); transition: none; }
}

/* ---------- 修正：装饰元素不能再被 .card > * 拉回文档流 ---------- */
.card > .file-stack,
.card > .mini-compare { position: absolute; z-index: 1; }

.card-hero { justify-content: flex-start; }
.card-hero > .mini-compare { position: static; margin-bottom: 20px; }

.mini-card p {
  font-size: 10px;
  line-height: 1.58;
  color: var(--ink-2);
  margin: 0 0 5px;
  letter-spacing: 0;
}
.mini-card p:last-child { margin-bottom: 0; }
.mini-card p.dim { color: var(--faint); }
.mini-card { padding: 10px 11px; background: var(--bg); border-color: var(--line-strong); }
.mini-card .mh { margin-bottom: 7px; }

/* ============================================================
   团队咨询弹窗
   ============================================================ */
.lmodal {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: none;
  place-items: center;
  padding: 20px;
}
.lmodal.on { display: grid; }

.lmodal-scrim {
  position: absolute;
  inset: 0;
  background: rgba(9, 13, 12, 0.66);
  backdrop-filter: blur(9px) saturate(0.9);
  -webkit-backdrop-filter: blur(9px) saturate(0.9);
  animation: lmFade 0.25s var(--ease);
}
@keyframes lmFade { from { opacity: 0; } to { opacity: 1; } }

.lmodal-box {
  position: relative;
  width: min(468px, calc(100vw - 32px));
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px 28px 24px;
  box-shadow: 0 40px 100px -40px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(20, 23, 26, 0.06);
  animation: lmIn 0.32s var(--ease);
  text-align: left;
}
@keyframes lmIn {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.lmodal-x {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--muted);
  transition: background 0.18s, color 0.18s;
}
.lmodal-x:hover { background: var(--bg-alt); color: var(--ink); }
.lmodal-x svg { width: 16px; height: 16px; }

.lmodal-box h3 {
  font-size: 21px;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-top: 12px;
}
.lm-sub {
  margin-top: 8px;
  font-size: 13.4px;
  color: var(--muted);
  line-height: 1.6;
}

.lm-list {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.lm-list li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 9px;
  font-size: 13.2px;
  color: var(--ink-2);
  line-height: 1.5;
}
.lm-list svg {
  width: 15px;
  height: 15px;
  color: var(--acc);
  margin-top: 2px;
}

.lm-wx {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    radial-gradient(300px 120px at 100% 0%, var(--acc-soft), transparent 70%),
    var(--surface-2);
}
.lm-qr {
  width: 96px;
  height: 96px;
  flex: none;
  padding: 7px;
  border-radius: 11px;
  background: #fff;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  cursor: zoom-in;
  transition: transform 0.24s var(--ease), border-color 0.2s;
}
.lm-qr:hover { transform: scale(1.04); border-color: var(--acc-line); }
.lm-qr img { width: 100%; height: 100%; object-fit: contain; display: block; }

.lm-wx-txt { min-width: 0; }
.lm-wx-txt b {
  display: block;
  font-size: 13.6px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.lm-wx-txt b i {
  font-style: normal;
  color: var(--acc-deep);
  font-weight: 600;
  font-size: 13px;
}
.lm-wx-txt > span {
  display: block;
  margin-top: 4px;
  font-size: 11.8px;
  color: var(--muted);
  line-height: 1.55;
}
.lm-copy {
  margin-top: 9px;
  height: 28px;
  padding: 0 11px;
  border-radius: 7px;
  border: 1px solid var(--acc-line);
  background: var(--acc-soft);
  color: var(--acc-deep);
  font-size: 11.8px;
  font-weight: 600;
  transition: background 0.18s, transform 0.14s;
}
.lm-copy:hover { background: var(--acc-line); }
.lm-copy:active { transform: scale(0.97); }

.lm-fine {
  margin-top: 18px;
  font-size: 11.5px;
  color: var(--faint);
  text-align: center;
}

/* 大图 */
.llight {
  position: fixed;
  inset: 0;
  z-index: 240;
  display: none;
  place-items: center;
  padding: 26px;
  background: rgba(8, 11, 10, 0.86);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: zoom-out;
}
.llight.on { display: grid; }
.llight img {
  width: min(76vw, 76vh);
  height: auto;
  border-radius: 16px;
  background: #fff;
  padding: 16px;
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.7);
  animation: lbZoom 0.28s var(--ease);
}

@media (max-width: 520px) {
  .lmodal-box { padding: 24px 20px 20px; border-radius: 16px; }
  .lm-wx { flex-direction: column; align-items: flex-start; gap: 12px; }
  .lm-qr { width: 108px; height: 108px; }
}

/* 发票说明块 */
.lm-note {
  margin: 16px 0 0;
  padding: 11px 13px;
  background: rgba(217, 119, 6, 0.055);
  border: 1px solid rgba(217, 119, 6, 0.16);
  border-radius: 10px;
  font-size: 11.8px;
  line-height: 1.62;
  color: var(--ink-2);
  text-align: left;
}
.lm-note b { color: var(--warn); font-weight: 600; }
