/* ============================================================
 * 树洞有只猫 · 官网 / 法务页面共享样式（v3 · 真实品牌版）
 *
 * 设计原则：
 *   - 真实品牌优先（用 logo / 真实截图，不用 emoji 凑数）
 *   - cardless：能用排版/留白/对齐解决就不堆卡片
 *   - 只用一种品牌色 #4ECDC4 + 一种深色反差段
 *   - 字号大胆、留白克制、阴影柔和
 * ============================================================ */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #4ECDC4;
  --primary-dark: #36B6AD;
  --primary-deep: #1E8C84;
  --primary-soft: #E6FAF6;
  --primary-mid: #C4F2EC;

  --ink: #0E1B22;
  --ink-2: #4A5C64;
  --ink-3: #94A1A8;
  --line: #ECEFF1;
  --bg: #FFFFFF;
  --bg-soft: #F6FAF9;

  --night: #0E1B22;
  --night-2: #16272F;
}

html { scroll-behavior: smooth; }
html, body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--primary-deep); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; }

/* ============================================================
 * Sticky Header
 * ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(14, 27, 34, 0.05);
}
.site-header .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 16px; color: var(--ink);
  letter-spacing: 0.2px;
}
.brand img { width: 30px; height: 30px; object-fit: contain; }

nav.nav-links { display: flex; align-items: center; }
nav.nav-links a {
  margin-left: 26px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  transition: color .15s;
}
nav.nav-links a:hover { color: var(--ink); }
nav.nav-links .nav-cta {
  margin-left: 28px;
  background: var(--ink);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13.5px;
  transition: transform .15s, background .15s;
}
nav.nav-links .nav-cta:hover { background: #000; transform: translateY(-1px); }

@media (max-width: 720px) {
  .site-header .inner { padding: 12px 18px; }
  nav.nav-links a { margin-left: 14px; font-size: 13px; }
  nav.nav-links a:not(.nav-cta):not(:nth-last-of-type(2)) { display: none; }
}

/* ============================================================
 * Hero（全宽，左文右真实截图）
 * ============================================================ */
.hero {
  position: relative;
  padding: 80px 28px 100px;
  overflow: hidden;
  background:
    radial-gradient(1100px 500px at 88% -8%, #C4F2EC 0%, transparent 60%),
    radial-gradient(900px 500px at -8% 110%, #E6FAF6 0%, transparent 60%),
    linear-gradient(180deg, #F4FFFD 0%, #FFFFFF 78%);
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff;
  color: var(--primary-deep);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(78, 205, 196, 0.18);
  border: 1px solid var(--primary-soft);
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(38px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin: 22px 0 22px;
  color: var(--ink);
}
.hero h1 .accent {
  background: linear-gradient(135deg, #4ECDC4 0%, #36B6AD 60%, #1E8C84 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero .lead {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--ink-2);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 34px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform .15s, box-shadow .15s, background .15s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: #fff !important;
  box-shadow: 0 12px 28px rgba(14, 27, 34, 0.22);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(14, 27, 34, 0.30); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink) !important;
  border: 1.5px solid #D7E2E1;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: #fff; border-color: var(--primary); }

.hero-meta {
  margin-top: 32px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  color: var(--ink-3);
  font-size: 14px;
}
.hero-meta strong { color: var(--ink); font-weight: 700; }
.hero-meta .dot { color: var(--ink-3); opacity: 0.5; }

/* 飘动 emoji 装饰：克制使用 */
.float-deco {
  position: absolute;
  font-size: 26px;
  opacity: 0.6;
  pointer-events: none;
  animation: floaty 8s ease-in-out infinite;
  filter: drop-shadow(0 4px 8px rgba(78, 205, 196, 0.15));
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50%      { transform: translateY(-22px) rotate(6deg); }
}

/* Hero 真实截图 */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 560px;
}
.hero-shot {
  position: relative;
  width: min(320px, 80%);
  border-radius: 38px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 50px 90px -32px rgba(30, 140, 132, 0.45),
    0 30px 50px -28px rgba(14, 27, 34, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  transform: rotate(-3deg);
  transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.hero-shot:hover { transform: rotate(0) scale(1.02); }
.hero-shot img { width: 100%; display: block; }
.hero-cat {
  position: absolute;
  width: 130px; height: auto;
  top: -20px; right: -8px;
  transform: rotate(14deg);
  opacity: 0.85;
  filter: drop-shadow(0 12px 24px rgba(78, 205, 196, 0.35));
  pointer-events: none;
}

@media (max-width: 920px) {
  .hero { padding: 56px 20px 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { min-height: auto; order: -1; }
  .hero-shot { width: min(260px, 70%); transform: rotate(0); }
  .hero-cat { width: 100px; }
  .float-deco { display: none; }
  .hero h1 { letter-spacing: -1px; }
}

/* ============================================================
 * Story（深色反差段）
 * ============================================================ */
.story {
  background: var(--night);
  color: #fff;
  padding: 100px 28px;
  position: relative;
  overflow: hidden;
}
.story::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 400px at 12% 20%, rgba(78, 205, 196, 0.18) 0%, transparent 60%),
    radial-gradient(600px 360px at 90% 90%, rgba(78, 205, 196, 0.12) 0%, transparent 60%);
  pointer-events: none;
}
.story-inner {
  position: relative; z-index: 1;
  max-width: 880px; margin: 0 auto;
  text-align: center;
}
.story h2 {
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin: 18px 0 20px;
}
.story p {
  font-size: clamp(16px, 1.3vw, 18px);
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.85;
  max-width: 620px;
  margin: 0 auto;
}
.story p .muted { color: rgba(255, 255, 255, 0.48); font-size: 0.92em; }

/* ============================================================
 * 通用 Section
 * ============================================================ */
.section { max-width: 1200px; margin: 0 auto; padding: 110px 28px; }
.section-head { text-align: center; margin-bottom: 70px; }
.section-eyebrow {
  display: inline-block;
  color: var(--primary-deep); font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: 2.8px;
  background: var(--primary-soft);
  padding: 5px 14px;
  border-radius: 999px;
}
.section-eyebrow.dark {
  background: rgba(78, 205, 196, 0.15);
  color: #7BE3DB;
}
.section-title {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800; margin-top: 16px;
  letter-spacing: -0.8px;
  line-height: 1.2;
  color: var(--ink);
}
.section-sub {
  color: var(--ink-2); font-size: 16px;
  max-width: 580px; margin: 16px auto 0;
}

/* ============================================================
 * Scenes（图文交错 · cardless）
 * ============================================================ */
.scene {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 60px 0;
}
.scene + .scene { border-top: 1px solid var(--line); }
.scene.reverse .scene-text { order: 2; }
.scene.reverse .scene-shot { order: 1; }

.scene-step {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  color: var(--primary-deep);
  font-size: 13px; font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.scene-text h3 {
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
  color: var(--ink);
}
.scene-text p {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.8;
  margin-bottom: 18px;
}
.scene-list { list-style: none; padding: 0; }
.scene-list li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
  margin-bottom: 8px;
}
.scene-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 12px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.scene-shot {
  position: relative;
  display: flex; justify-content: center;
}
.scene-shot::before {
  content: "";
  position: absolute;
  width: 90%; height: 90%;
  background: linear-gradient(135deg, var(--primary-soft) 0%, transparent 70%);
  border-radius: 60% 40% 50% 50% / 50%;
  top: 5%; left: 5%;
  filter: blur(40px);
  z-index: 0;
}
.scene-shot img {
  position: relative;
  z-index: 1;
  width: min(300px, 78%);
  border-radius: 36px;
  box-shadow:
    0 40px 80px -28px rgba(30, 140, 132, 0.35),
    0 24px 48px -28px rgba(14, 27, 34, 0.25);
}

@media (max-width: 880px) {
  .section { padding: 70px 20px; }
  .scene { grid-template-columns: 1fr; gap: 36px; padding: 40px 0; }
  .scene.reverse .scene-text,
  .scene.reverse .scene-shot { order: initial; }
  .scene-shot img { width: min(260px, 70%); }
}

/* ============================================================
 * Privacy（深色 + 大数字）
 * ============================================================ */
.privacy {
  background: var(--night-2);
  color: #fff;
  padding: 110px 28px;
  position: relative;
  overflow: hidden;
}
.privacy::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 500px at 50% -10%, rgba(78, 205, 196, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.privacy-inner {
  position: relative; z-index: 1;
  max-width: 1100px; margin: 0 auto;
  text-align: center;
}
.privacy .section-title { color: #fff; margin-bottom: 60px; }
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  text-align: left;
}
.privacy-item {
  padding: 28px 4px;
}
.privacy-item .num {
  font-size: clamp(56px, 7vw, 84px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3px;
  background: linear-gradient(135deg, #7BE3DB, #4ECDC4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.privacy-item .num-suffix {
  font-size: 0.5em; margin-left: 4px; letter-spacing: 0;
}
.privacy-item .label {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin: 14px 0 10px;
  letter-spacing: 0.2px;
}
.privacy-item p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14.5px;
  line-height: 1.7;
}

@media (max-width: 880px) {
  .privacy { padding: 70px 20px; }
  .privacy-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
}

/* ============================================================
 * Plans（左截图 · 右价格列表）
 * ============================================================ */
.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.plan-shot {
  display: flex; justify-content: center;
  position: relative;
}
.plan-shot::before {
  content: "";
  position: absolute;
  width: 80%; height: 80%;
  top: 10%; left: 10%;
  background: linear-gradient(135deg, var(--primary-soft) 0%, transparent 80%);
  border-radius: 50%;
  filter: blur(50px);
  z-index: 0;
}
.plan-shot img {
  position: relative; z-index: 1;
  width: min(280px, 75%);
  border-radius: 36px;
  box-shadow:
    0 40px 80px -28px rgba(30, 140, 132, 0.35),
    0 24px 48px -28px rgba(14, 27, 34, 0.25);
}
.plans-list { display: flex; flex-direction: column; gap: 14px; }
.plan {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px 26px;
  background: #fff;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.plan:hover {
  border-color: var(--primary-mid);
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -20px rgba(30, 140, 132, 0.25);
}
.plan.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, #F4FFFE 0%, #fff 100%);
  box-shadow: 0 18px 36px -20px rgba(30, 140, 132, 0.20);
}
.plan-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 10px;
  gap: 12px;
}
.plan-head h3 {
  font-size: 19px; font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.2px;
}
.plan-head .price {
  font-size: 24px; font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
}
.plan-head .price span {
  font-size: 13px; font-weight: 500;
  color: var(--ink-3);
  margin-left: 2px;
}
.plan p {
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
}
.plan p strong { color: var(--ink); font-weight: 700; }

@media (max-width: 880px) {
  .plans-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ============================================================
 * FAQ
 * ============================================================ */
.faq-list {
  max-width: 760px; margin: 0 auto;
  display: flex; flex-direction: column;
}
.faq-item {
  border-bottom: 1px solid var(--line);
  transition: border-color .2s;
}
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  font-weight: 600;
  color: var(--ink);
  font-size: 16px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  transition: color .15s;
}
.faq-item summary:hover { color: var(--primary-deep); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--ink-3);
  font-size: 26px;
  font-weight: 300;
  transition: transform .25s, color .15s;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--primary); }
.faq-item .a {
  padding: 0 4px 22px;
  color: var(--ink-2);
  font-size: 14.8px;
  line-height: 1.85;
}

/* ============================================================
 * Final CTA（深绿渐变）
 * ============================================================ */
.final-cta {
  padding: 100px 28px 110px;
  background:
    radial-gradient(800px 400px at 20% 20%, rgba(255,255,255,0.18) 0%, transparent 60%),
    linear-gradient(135deg, #36B6AD 0%, #1E8C84 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final-cta::before, .final-cta::after {
  content: ""; position: absolute; border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  pointer-events: none;
}
.final-cta::before { width: 360px; height: 360px; top: -120px; right: -100px; }
.final-cta::after  { width: 240px; height: 240px; bottom: -80px; left: -60px; }
.final-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.final-logo {
  width: 76px; height: 76px;
  margin: 0 auto 24px;
  filter: brightness(0) invert(1) drop-shadow(0 8px 20px rgba(0,0,0,0.15));
  opacity: 0.95;
}
.final-cta h2 {
  color: #fff; font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; margin-bottom: 14px; letter-spacing: -0.6px;
  line-height: 1.2;
}
.final-cta p { color: rgba(255,255,255,0.92); font-size: 16px; margin-bottom: 32px; }
.final-cta .btns {
  display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}
.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff;
  color: var(--ink) !important;
  height: 52px; padding: 0 30px;
  border-radius: 999px;
  font-weight: 700; font-size: 15px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
  transition: transform .15s;
}
.btn-white:hover { transform: translateY(-2px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: #fff !important;
  height: 52px; padding: 0 26px;
  border-radius: 999px;
  font-weight: 600; font-size: 15px;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  transition: background .15s, border-color .15s;
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.support-line {
  margin-top: 36px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}
.support-line a { color: #fff; font-weight: 600; }
.support-line a:hover { color: #fff; opacity: 0.85; }

/* ============================================================
 * 进入动画（轻微）
 * ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.2,.8,.2,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .float-deco, .hero-shot { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
 * Footer
 * ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 40px 24px 36px;
  text-align: center;
  color: var(--ink-3);
  font-size: 13px;
}
.site-footer .brand-row {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; color: var(--ink); margin-bottom: 14px;
  font-size: 15px;
}
.site-footer .brand-row img { width: 26px; height: 26px; object-fit: contain; }
.site-footer .links { margin-bottom: 14px; }
.site-footer .links a { margin: 0 12px; color: var(--ink-2); font-weight: 500; font-size: 13.5px; }
.site-footer .links a:hover { color: var(--primary-deep); }
.site-footer .copyright { color: #BBC2C7; font-size: 12px; }
.site-footer .copyright a { color: var(--ink-3); }

/* ============================================================
 * 法务页通用容器（保留向后兼容）
 * ============================================================ */
.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}
.container.narrow { max-width: 760px; }
.page-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  margin: 16px 0 6px;
  letter-spacing: -0.5px;
}
.page-subtitle {
  color: var(--ink-3);
  font-size: 14px;
  margin-bottom: 28px;
}
.card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 30px;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.04);
  margin-bottom: 16px;
  border: 1px solid #F1F2F4;
}
@media (max-width: 480px) {
  .card { padding: 22px 20px; border-radius: 16px; }
}

/* 法务文章正文（保留） */
.legal h2 {
  font-size: 19px;
  margin: 26px 0 12px;
  color: var(--ink);
  font-weight: 700;
  display: flex; align-items: center; gap: 10px;
}
.legal h2::before {
  content: ""; display: inline-block;
  width: 4px; height: 18px; border-radius: 2px;
  background: linear-gradient(180deg, #4ECDC4, #36B6AD);
}
.legal h3 {
  font-size: 15px;
  margin: 18px 0 6px;
  color: var(--ink);
  font-weight: 600;
}
.legal p, .legal li {
  font-size: 15px;
  color: #3F4D55;
  line-height: 1.85;
}
.legal ul, .legal ol { padding-left: 22px; margin: 8px 0 14px; }
.legal li { margin-bottom: 4px; }
.legal strong { color: var(--ink); font-weight: 700; }
.legal .note {
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14.5px;
  color: #2F3E45;
  margin: 14px 0;
}
.legal .table-wrap { overflow-x: auto; }
.legal table {
  width: 100%; border-collapse: collapse;
  margin: 10px 0 18px; font-size: 14px;
  border-radius: 10px; overflow: hidden;
}
.legal th, .legal td {
  border: 1px solid #ECECEC; padding: 10px 14px; text-align: left;
}
.legal th { background: #F7F8FA; font-weight: 600; color: var(--ink); }

.steps {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}
.steps li {
  position: relative;
  padding-left: 48px;
  margin-bottom: 16px;
  counter-increment: step;
  min-height: 32px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #4ECDC4, #36B6AD);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  box-shadow: 0 4px 10px rgba(78, 205, 196, 0.4);
}

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  background: #F2F4F7;
  color: var(--ink) !important;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, #4ECDC4, #36B6AD);
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(78, 205, 196, 0.35);
}

.no-shrink { flex-shrink: 0; }