/* ============================================================
   DockPal 宣传落地页 v2 —— EN/ZH 共用样式
   主色 #12836A（墨绿）/ 背景 #F4F6F4 / 深色 #0E1A16
   ============================================================ */

html { scroll-behavior: smooth; }

.promo {
  --jade: #12836a;
  --jade-dark: #0d6a55;
  --jade-soft: #e9f5f0;
  --jade-line: #cfe7dd;
  --ink: #13201b;
  --sub: #51605a;
  --muted: #8b9993;
  --surface: #ffffff;
  --border: #e3e8e3;
  --dark: #0e1a16;
  --dark-2: #17281f;

  font-size: 16px;
  color: var(--ink);
}
.promo section { scroll-margin-top: 24px; }

/* ---------- 通用区块头 ---------- */
.promo .section-head { max-width: 660px; margin: 0 auto 42px; text-align: center; }
.promo .kicker {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--jade); background: var(--jade-soft);
  border: 1px solid var(--jade-line); border-radius: 999px;
  padding: 5px 14px; margin-bottom: 16px;
}
.promo .section-head h2 {
  font-size: clamp(24px, 3.2vw, 34px); line-height: 1.25;
  margin: 0 0 12px; letter-spacing: -.5px;
}
.promo .section-head p { color: var(--sub); font-size: 15.5px; margin: 0; }

/* ---------- 截图通用 ---------- */
.promo img.shot {
  display: block; max-width: 100%; height: auto;
  border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 18px 40px -18px rgba(14, 26, 22, .28);
  background: #fff;
}

/* ============================================================
   Hero：深色大卡 + 居中文案 + 工作流大图
   ============================================================ */
.promo .promo-hero {
  margin-top: 26px;
  background: linear-gradient(140deg, #163029, #0e1a16 62%);
  border-radius: 24px;
  padding: 60px 44px 0;
  color: #eef4f1;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.promo .promo-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(700px 320px at 85% -10%, rgba(45, 169, 138, .25), transparent 70%);
  pointer-events: none;
}
.promo .promo-hero > * { position: relative; }
.promo .promo-hero .eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 600; letter-spacing: 1.5px;
  color: #7fc5b2; background: rgba(18, 131, 106, .16);
  border: 1px solid #2c4a3f; border-radius: 999px;
  padding: 6px 16px; margin-bottom: 20px;
}
.promo .promo-hero h1 {
  font-size: clamp(30px, 5vw, 50px); line-height: 1.14;
  letter-spacing: -1px; margin: 0 auto 18px; max-width: 780px; color: #fff;
}
.promo .promo-hero h1 em { font-style: normal; color: #3ec39e; }
.promo .promo-hero .lead {
  color: #b7c6bf; font-size: clamp(15px, 1.8vw, 17.5px);
  max-width: 700px; margin: 0 auto 28px; line-height: 1.75;
}
.promo .ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.promo .btn-buy {
  display: inline-block; cursor: pointer;
  background: #2da98a; color: #06231b;
  font-size: 15.5px; font-weight: 700;
  padding: 14px 30px; border-radius: 12px;
  box-shadow: 0 10px 24px -8px rgba(45, 169, 138, .55);
  transition: background .15s ease, transform .15s ease;
}
.promo .btn-buy:hover { background: #38c09e; transform: translateY(-1px); }
.promo .btn-ghost {
  display: inline-block;
  color: #d8e6e0; background: rgba(255, 255, 255, .04);
  font-size: 15.5px; font-weight: 600;
  padding: 14px 28px; border-radius: 12px;
  border: 1px solid #355046;
  transition: border-color .15s ease, background .15s ease;
}
.promo .btn-ghost:hover { border-color: #4f7265; background: rgba(255, 255, 255, .08); }
.promo .badges {
  display: flex; gap: 10px 22px; justify-content: center; flex-wrap: wrap;
  color: #8fa59c; font-size: 13.5px;
}
.promo .badges b { color: #fff; }

/* 工作流大图压在深色卡底部 */
.promo .hero-shot-wrap {
  max-width: 880px; margin: 40px auto -6px;
}
.promo .hero-shot-wrap img {
  display: block; width: 100%; height: auto;
}
.promo .hero-shot-cap {
  margin: 12px 0 0; color: var(--muted); font-size: 13.5px; text-align: center;
  padding-bottom: 40px;
}

/* ============================================================
   三步上手
   ============================================================ */
.promo .steps { padding: 58px 0 8px; }
.promo .steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.promo .step-card {
  position: relative;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 30px 24px 22px;
}
.promo .step-card .num {
  position: absolute; top: -14px; left: 22px;
  width: 30px; height: 30px; border-radius: 999px;
  background: var(--jade); color: #fff;
  display: grid; place-items: center;
  font-size: 14px; font-weight: 700;
  box-shadow: 0 6px 14px -4px rgba(18, 131, 106, .5);
}
.promo .step-card h3 { margin: 6px 0 7px; font-size: 16px; }
.promo .step-card p { margin: 0; color: var(--sub); font-size: 13.5px; line-height: 1.7; }

/* ============================================================
   八个卖点
   ============================================================ */
.promo .featzone { padding: 66px 0 8px; }
.promo .feat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.promo .feat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 22px 20px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.promo .feat-card:hover { border-color: var(--jade-line); box-shadow: 0 14px 30px -18px rgba(14,26,22,.25); }
.promo .feat-card .ico {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--jade-soft); color: var(--jade);
  display: grid; place-items: center; margin-bottom: 14px;
}
.promo .feat-card .ico svg { width: 20px; height: 20px; }
.promo .feat-card h3 { margin: 0 0 7px; font-size: 15px; }
.promo .feat-card p { margin: 0; color: var(--sub); font-size: 13px; line-height: 1.65; }

/* ============================================================
   功能详情（左右交替 + 双图）
   ============================================================ */
.promo .details { padding: 66px 0 8px; }
.promo .detail {
  display: grid; grid-template-columns: 1fr 400px; gap: 52px;
  align-items: center;
  padding: 36px 0;
}
.promo .detail + .detail { border-top: 1px solid var(--border); }
.promo .detail.rev { grid-template-columns: 400px 1fr; }
.promo .detail.rev .txt { order: 2; }
.promo .detail.rev .vis { order: 1; }
.promo .detail .tag {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--jade); margin-bottom: 12px;
}
.promo .detail h2 {
  font-size: clamp(21px, 2.6vw, 27px); line-height: 1.3;
  margin: 0 0 14px; letter-spacing: -.4px;
}
.promo .detail p { color: var(--sub); font-size: 15px; line-height: 1.8; margin: 0 0 18px; }
.promo .detail p b { color: var(--ink); }
.promo .checks { list-style: none; margin: 0; padding: 0; }
.promo .checks li {
  position: relative; padding: 5px 0 5px 30px;
  color: var(--ink); font-size: 14px; line-height: 1.6;
}
.promo .checks li::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 18px; height: 18px; border-radius: 999px;
  background: var(--jade-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312836a' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") center/11px no-repeat;
}
/* 双图并排（AI 两种模式 / 记事+提醒） */
.promo .duo {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start;
}
.promo .duo img.shot { width: 100%; }
.promo .duo figcaption {
  text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 9px;
}

/* ============================================================
   深色数据带（隐私 + 一组数字）
   ============================================================ */
.promo .stats-band {
  margin-top: 66px;
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  border-radius: 20px; padding: 44px 38px; color: #fff;
}
.promo .stats-band h2 {
  font-size: clamp(21px, 2.6vw, 27px); margin: 0 0 8px; letter-spacing: -.4px;
}
.promo .stats-band > p { color: #9db3aa; font-size: 14.5px; margin: 0 0 30px; max-width: 640px; }
.promo .stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.promo .stat b {
  display: block; font-size: clamp(26px, 3vw, 34px); font-weight: 800;
  color: #3ec39e; letter-spacing: -.5px;
}
.promo .stat span { color: #b7c6bf; font-size: 13px; }

/* ============================================================
   使用场景
   ============================================================ */
.promo .usezone { padding: 66px 0 8px; }
.promo .use-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.promo .use-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 22px 20px;
}
.promo .use-card .ico {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--jade-soft);
  display: grid; place-items: center; margin-bottom: 14px;
}
.promo .use-card .ico svg { width: 20px; height: 20px; }
.promo .use-card h3 { margin: 0 0 7px; font-size: 15px; }
.promo .use-card p { margin: 0; color: var(--sub); font-size: 13px; line-height: 1.65; }

/* ============================================================
   定价
   ============================================================ */
.promo .pricing { padding: 66px 0 8px; }
.promo .price-card {
  max-width: 540px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--jade-line);
  border-radius: 22px; padding: 38px 36px; text-align: center;
  box-shadow: 0 24px 50px -24px rgba(14, 26, 22, .3);
}
.promo .price-card .price {
  font-size: clamp(34px, 4vw, 44px); font-weight: 800; color: var(--jade);
  letter-spacing: -1px;
}
.promo .price-card .price small {
  display: block; font-size: 13.5px; color: var(--muted); font-weight: 400;
  margin-top: 6px; letter-spacing: 0;
}
.promo .perks {
  display: flex; gap: 10px 20px; justify-content: center; flex-wrap: wrap;
  margin: 18px 0 24px; font-size: 13.5px; color: var(--sub);
}
.promo .perks span { display: inline-flex; align-items: center; gap: 7px; }
.promo .price-card form input[type=email] {
  width: 100%; padding: 12px 14px; font-size: 14px;
  border: 1px solid var(--border); border-radius: 10px; background: #f9fbf9; outline: none;
}
.promo .price-card form input:focus { border-color: var(--jade); background: #fff; }
.promo .price-card .btn-buy { width: 100%; text-align: center; margin-top: 4px; color: #06231b; }
.promo .price-card .muted { color: var(--muted); font-size: 12.5px; margin: 14px 0 0; }

/* ============================================================
   FAQ
   ============================================================ */
.promo .faqzone { padding: 66px 0 8px; }
.promo .faq-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  max-width: 920px; margin: 0 auto; align-items: start;
}
.promo .faq-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
}
.promo .faq-item summary {
  cursor: pointer; list-style: none;
  padding: 16px 20px; font-size: 14.5px; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.promo .faq-item summary::-webkit-details-marker { display: none; }
.promo .faq-item summary::after {
  content: "+"; color: var(--jade); font-size: 19px; font-weight: 700; flex: 0 0 auto;
}
.promo .faq-item[open] summary::after { content: "–"; }
.promo .faq-item[open] { border-color: var(--jade-line); }
.promo .faq-item p {
  margin: 0; padding: 0 20px 16px; color: var(--sub); font-size: 13.5px; line-height: 1.75;
}

/* ============================================================
   收尾标语
   ============================================================ */
.promo .tagline { padding: 60px 0 30px; text-align: center; }
.promo .tagline p {
  font-size: clamp(19px, 2.6vw, 25px); line-height: 1.5;
  max-width: 660px; margin: 0 auto; color: var(--ink);
}
.promo .tagline b { color: var(--jade); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .promo .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .promo .use-grid { grid-template-columns: repeat(2, 1fr); }
  .promo .detail, .promo .detail.rev { grid-template-columns: 1fr; gap: 26px; }
  .promo .detail.rev .txt { order: 1; }
  .promo .detail.rev .vis { order: 2; }
  .promo .detail .vis { max-width: 420px; margin: 0 auto; }
  .promo .promo-hero { padding: 44px 24px 0; }
}
@media (max-width: 640px) {
  .promo .steps-grid { grid-template-columns: 1fr; gap: 22px; }
  .promo .feat-grid { grid-template-columns: 1fr; }
  .promo .use-grid { grid-template-columns: 1fr; }
  .promo .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 14px; }
  .promo .faq-grid { grid-template-columns: 1fr; }
  .promo .duo { grid-template-columns: 1fr; }
}