/* Livora — 官网样式表
 *
 * 取值直接对齐 App 的设计 token(lib/ui/tokens.dart),两边改动要一起改:
 *   bg #05050B / accent #FF496B / party #8E5CFF / online #43D596 / card #0D0F1B
 *
 * 无构建步骤:纯 CSS 变量 + 原生嵌套不用,保持任何静态服务器直出可用。 */

:root {
  --bg:            #05050b;
  --bg-soft:       #0a0a14;
  --card:          #0d0f1b;
  --nav:           #141625;
  --line:          rgba(247, 245, 250, 0.09);
  --line-strong:   rgba(247, 245, 250, 0.16);

  --text:          #f7f5fa;
  --text-2:        #aaa7b7;
  --text-3:        #6f6c80;

  --accent:        #ff496b;
  --accent-2:      #ff8a3d;
  --party:         #8e5cff;
  --online:        #43d596;

  --radius:        18px;
  --radius-sm:     12px;
  --shell:         1160px;

  --shadow:        0 24px 60px rgba(0, 0, 0, 0.55);
  --ease:          cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* 锚点跳转时别被吸顶导航盖住标题 */
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

::selection {
  background: rgba(255, 73, 107, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── 顶部导航 ───────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 5, 11, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav.is-stuck {
  border-bottom-color: var(--line);
  background: rgba(5, 5, 11, 0.92);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 19px;
  flex: none;
}
.brand:hover { color: var(--text); }
.brand img {
  width: 32px;
  height: 32px;
  border-radius: 9px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  font-size: 14.5px;
  color: var(--text-2);
}
.nav__links a { color: var(--text-2); }
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--text); }

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ── 按钮 ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
              background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent) 55%, var(--party));
  color: #fff;
  box-shadow: 0 10px 30px rgba(255, 73, 107, 0.32);
}
.btn--primary:hover {
  color: #fff;
  box-shadow: 0 16px 40px rgba(255, 73, 107, 0.42);
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(247, 245, 250, 0.03);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: rgba(247, 245, 250, 0.32);
  background: rgba(247, 245, 250, 0.07);
}

.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }

/* ── 通用区块 ──────────────────────────────────────────── */

section { position: relative; }

.section {
  padding: 104px 0;
}
.section--tight { padding: 72px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.section__head { max-width: 660px; margin-bottom: 52px; }
.section__head h2 {
  font-size: clamp(30px, 4vw, 44px);
}
.section__head p {
  margin: 16px 0 0;
  color: var(--text-2);
  font-size: 17px;
}

/* ── Hero ─────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: hidden;
}

/* 背景光晕。用 radial-gradient 而不是图片:任何缩放下都不糊,也省一次请求。 */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  width: 620px; height: 620px;
  top: -240px; left: -160px;
  background: radial-gradient(circle, rgba(255, 73, 107, 0.30), transparent 68%);
}
.hero::after {
  width: 680px; height: 680px;
  top: -140px; right: -220px;
  background: radial-gradient(circle, rgba(142, 92, 255, 0.28), transparent 68%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}
.hero h1 .grad {
  background: linear-gradient(110deg, var(--accent-2), var(--accent) 42%, var(--party));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  margin: 24px 0 0;
  font-size: 18.5px;
  color: var(--text-2);
  max-width: 540px;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}
.hero__note {
  margin: 20px 0 0;
  font-size: 13.5px;
  color: var(--text-3);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(247, 245, 250, 0.03);
  font-size: 13.5px;
  color: var(--text-2);
  margin-bottom: 26px;
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 4px rgba(67, 213, 150, 0.16);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(67, 213, 150, 0.16); }
  50%      { box-shadow: 0 0 0 7px rgba(67, 213, 150, 0.04); }
}

/* ── 手机样机 ─────────────────────────────────────────── */

.phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
  perspective: 1400px;
}

.phone {
  position: relative;
  width: 290px;
  aspect-ratio: 9 / 19.5;
  border-radius: 42px;
  padding: 10px;
  background: linear-gradient(160deg, #26283c, #0b0c16 55%);
  box-shadow: var(--shadow), 0 0 0 1px rgba(247, 245, 250, 0.08) inset;
  transform: rotateY(-13deg) rotateX(4deg) translateZ(0);
  transition: transform 0.6s var(--ease);
}
.phone:hover { transform: rotateY(-6deg) rotateX(2deg); }

.phone__screen {
  position: relative;
  height: 100%;
  border-radius: 34px;
  overflow: hidden;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}
.phone__notch {
  position: absolute;
  top: 9px; left: 50%;
  transform: translateX(-50%);
  width: 96px; height: 22px;
  border-radius: 999px;
  background: #05050b;
  z-index: 4;
}

/* 屏内是手写的 App 首页缩影 —— 比塞一张截图更清晰,也不用维护图片资源。 */
.scr {
  flex: 1;
  padding: 44px 14px 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
  overflow: hidden;
}
.scr__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.scr__title { font-size: 15px; font-weight: 700; }
.scr__tabs {
  display: flex;
  gap: 13px;
  font-size: 10.5px;
  color: var(--text-3);
}
.scr__tabs b {
  color: var(--text);
  font-weight: 600;
  position: relative;
}
.scr__tabs b::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -5px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.scr__hero {
  position: relative;
  border-radius: 14px;
  height: 128px;
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(255, 73, 107, 0.55), transparent 62%),
    radial-gradient(110% 90% at 90% 100%, rgba(142, 92, 255, 0.6), transparent 60%),
    #171a2c;
  overflow: hidden;
  flex: none;
}
.scr__hero::after {
  /* 礼物特效的暗示:一束斜向高光缓慢扫过 */
  content: "";
  position: absolute;
  inset: -40% -60%;
  background: linear-gradient(72deg, transparent 42%, rgba(255, 255, 255, 0.16) 50%, transparent 58%);
  animation: sweep 5.5s linear infinite;
}
@keyframes sweep {
  from { transform: translateX(-45%); }
  to   { transform: translateX(45%); }
}

.chip {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(5, 5, 11, 0.55);
  backdrop-filter: blur(6px);
}
.chip--live { top: 10px; left: 10px; color: #fff; background: var(--accent); }
.chip--n    { top: 10px; right: 10px; color: var(--text); }

.scr__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.scr__card {
  border-radius: 12px;
  height: 92px;
  background: var(--card);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.scr__card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.55;
}
.scr__card:nth-child(1)::before { background: radial-gradient(90% 80% at 30% 20%, rgba(142, 92, 255, 0.55), transparent 65%); }
.scr__card:nth-child(2)::before { background: radial-gradient(90% 80% at 70% 20%, rgba(255, 138, 61, 0.5), transparent 65%); }
.scr__card:nth-child(3)::before { background: radial-gradient(90% 80% at 40% 80%, rgba(67, 213, 150, 0.42), transparent 65%); }
.scr__card:nth-child(4)::before { background: radial-gradient(90% 80% at 80% 60%, rgba(255, 73, 107, 0.5), transparent 65%); }

.scr__bar {
  margin-top: auto;
  height: 52px;
  flex: none;
  background: var(--nav);
  border-radius: 16px 16px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 10px 6px;
}
.scr__bar i {
  width: 17px; height: 17px;
  border-radius: 5px;
  background: rgba(247, 245, 250, 0.18);
  display: block;
}
.scr__bar i:first-child { background: var(--accent); }

/* 浮在手机旁的两张小卡:说明礼物 / 语聊两条主线 */
.float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  border-radius: 14px;
  background: rgba(13, 15, 27, 0.86);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  animation: bob 6s ease-in-out infinite;
  z-index: 3;
}
.float span { color: var(--text-2); font-size: 11.5px; display: block; }
.float b { font-size: 13.5px; }
.float--a { top: 16%; left: -6%; }
.float--b { bottom: 14%; right: -8%; animation-delay: -3s; }

.float__ico {
  width: 32px; height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 15px;
  flex: none;
}
.float--a .float__ico { background: rgba(255, 73, 107, 0.16); }
.float--b .float__ico { background: rgba(142, 92, 255, 0.18); }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-11px); }
}

/* ── 数据条 ───────────────────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stats > div {
  background: var(--bg);
  padding: 30px 26px;
}
.stats b {
  display: block;
  font-size: 30px;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, var(--text), var(--text-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats span {
  color: var(--text-3);
  font-size: 13.5px;
}

/* ── 特性卡 ───────────────────────────────────────────── */

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(247, 245, 250, 0.05), rgba(247, 245, 250, 0.015));
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.card::after {
  /* 卡片顶部一道随主题色变化的细光带 */
  content: "";
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tint, var(--accent)), transparent);
  opacity: 0.55;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { margin: 0; color: var(--text-2); font-size: 14.8px; }

.card__ico {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: color-mix(in srgb, var(--tint, var(--accent)) 16%, transparent);
  color: var(--tint, var(--accent));
}
.card__ico svg { width: 22px; height: 22px; }

/* ── 分栏说明 ─────────────────────────────────────────── */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split h2 { font-size: clamp(27px, 3.4vw, 38px); }
.split p { color: var(--text-2); }

.ticks { list-style: none; padding: 0; margin: 26px 0 0; }
.ticks li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 13px;
  color: var(--text-2);
  font-size: 15.4px;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(67, 213, 150, 0.14);
  border: 1px solid rgba(67, 213, 150, 0.45);
}
.ticks li::after {
  content: "";
  position: absolute;
  left: 5.5px; top: 13px;
  width: 4px; height: 7px;
  border: solid var(--online);
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}
.ticks strong { color: var(--text); font-weight: 600; }

/* 语言矩阵 */
.langs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.lang {
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--card);
}
.lang b { display: block; font-size: 16px; }
.lang span { font-size: 12.5px; color: var(--text-3); }
.lang--rtl b { direction: rtl; }

/* ── 页脚 ─────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--line);
  padding: 62px 0 40px;
  background: var(--bg-soft);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
}
.footer p { color: var(--text-3); font-size: 14px; margin: 16px 0 0; max-width: 320px; }
.footer h4 {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 11px; }
.footer li a { color: var(--text-2); font-size: 14.5px; }

.footer__base {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 13.5px;
}

/* ── 内页(法务 / 支持)──────────────────────────────── */

.page-head {
  padding: 68px 0 34px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(70% 130% at 12% 0%, rgba(142, 92, 255, 0.16), transparent 62%),
    var(--bg);
}
.page-head h1 { font-size: clamp(32px, 4.6vw, 46px); }
.page-head p { color: var(--text-2); margin: 14px 0 0; }
.page-head .updated {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-3);
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.doc {
  display: grid;
  grid-template-columns: 232px 1fr;
  gap: 56px;
  align-items: start;
  padding: 56px 0 96px;
}
.toc {
  position: sticky;
  top: 96px;
  font-size: 14px;
}
.toc h4 {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc li { margin-bottom: 4px; }
.toc a {
  display: block;
  padding: 6px 12px;
  border-radius: 9px;
  color: var(--text-2);
  border-left: 2px solid transparent;
}
.toc a:hover { background: rgba(247, 245, 250, 0.04); color: var(--text); }
.toc a.is-active {
  color: var(--text);
  border-left-color: var(--accent);
  background: rgba(255, 73, 107, 0.07);
}

.doc__body { max-width: 760px; }
.doc__body h2 {
  font-size: 22px;
  margin: 44px 0 14px;
  scroll-margin-top: 96px;
}
.doc__body h2:first-child { margin-top: 0; }
.doc__body h3 { font-size: 16.5px; margin: 26px 0 8px; }
.doc__body p { color: var(--text-2); margin: 0 0 14px; }
.doc__body ul { color: var(--text-2); padding-left: 20px; margin: 0 0 16px; }
.doc__body li { margin-bottom: 8px; }
.doc__body strong { color: var(--text); font-weight: 600; }
.doc__body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.note {
  padding: 20px 22px;
  border-radius: var(--radius-sm);
  background: rgba(255, 73, 107, 0.07);
  border: 1px solid rgba(255, 73, 107, 0.24);
  margin: 22px 0;
}
.note p:last-child { margin-bottom: 0; }
.note--calm {
  background: rgba(142, 92, 255, 0.07);
  border-color: rgba(142, 92, 255, 0.24);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 26px;
  font-size: 14.5px;
}
th, td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--text); font-weight: 600; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
td { color: var(--text-2); }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 40px 20px 0;
  font-weight: 600;
  font-size: 16.5px;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--text-3);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}
.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--accent);
}
.faq p {
  margin: 0 0 20px;
  color: var(--text-2);
  max-width: 780px;
  font-size: 15.2px;
}

/* CTA 收尾块 */
.cta {
  position: relative;
  padding: 66px 40px;
  border-radius: 26px;
  text-align: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(90% 160% at 15% 0%, rgba(255, 73, 107, 0.22), transparent 60%),
    radial-gradient(90% 160% at 85% 100%, rgba(142, 92, 255, 0.26), transparent 60%),
    var(--card);
}
.cta h2 { font-size: clamp(28px, 3.6vw, 40px); }
.cta p { color: var(--text-2); margin: 16px auto 32px; max-width: 520px; }
.cta .hero__cta { justify-content: center; }

/* 入场动画。prefers-reduced-motion 下整体关掉。 */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ── 响应式 ───────────────────────────────────────────── */

@media (max-width: 1000px) {
  .hero__inner { grid-template-columns: 1fr; gap: 56px; }
  .hero__sub { max-width: none; }
  .grid, .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .doc { grid-template-columns: 1fr; gap: 30px; }
  .toc { position: static; }
  .toc ol { display: flex; flex-wrap: wrap; gap: 6px; }
  .toc li { margin: 0; }
  .toc a { border: 1px solid var(--line); border-left-width: 1px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 18px;
    background: rgba(5, 5, 11, 0.97);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: 13px 8px; border-bottom: 1px solid var(--line); }
  .nav__links .btn { margin-top: 14px; }
  .grid, .grid--2 { grid-template-columns: 1fr; }
  .float { display: none; }
  .phone { width: 260px; }
  .cta { padding: 48px 22px; }
  .footer__grid { grid-template-columns: 1fr; }
}