/* ==========================================================================
   植本专研 B 端合作手册页（partner-manual.php）
   CSS 来源：原始手册的 <style> 块，所有选择器加 .page-manual 前缀，
   确保不污染官网其他页面。
   原始来源：植本专研_B端品牌手册.html  v1.0
   生成：database/build_partner_manual_css.py
   ========================================================================== */


:root {
  --m-bg:#FFFFFF;
  --m-surface:#FAFBFA;
  --m-ink:#0B120D;
  --m-ink2:#2E3A33;
  --m-ink3:#697A70;
  --m-g:#009B4C;
  --m-g-deep:#007A3C;
  --m-g-mid:#33B26B;
  --m-g-light:#8FDCB4;
  --m-g-pale:#EDF7F1;
  --m-dark:#0C1A11;
  --m-line:#E9EFEB;
  --m-line-g:rgba(0,155,76,.20);
}
.page-manual-html {scroll-behavior:smooth}
.page-manual {
  background:var(--m-bg);color:var(--m-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-weight:350;line-height:2;font-size:15.5px;letter-spacing:.04em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
.page-manual ::selection{background:var(--m-g-pale);color:var(--m-ink)}

/* ── 顶部细线进度 ── */
.page-manual #bar {position:fixed;top:0;left:0;height:2px;background:var(--m-g);width:0;z-index:120}

/* ── 导航 ── */
.page-manual #nav {position:fixed;top:0;left:0;right:0;z-index:100;height:72px;display:flex;align-items:center;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.05);transition:.45s}
.page-manual #nav.solid {background:rgba(255,255,255,.94);border-bottom-color:var(--m-line)}
.page-manual .nav-in {width:100%;max-width:1240px;margin:0 auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between}
.page-manual .nav-logo {font-size:17px;font-weight:400;letter-spacing:.3em;color:var(--m-ink);text-decoration:none;display:flex;align-items:baseline;gap:12px}
.page-manual .nav-logo i {font-style:normal;font-size:9px;letter-spacing:.28em;color:var(--m-g-deep);font-weight:400}
.page-manual .nav-links {display:flex;gap:30px;list-style:none}
.page-manual .nav-links a {font-size:13px;font-weight:350;color:var(--m-ink2);text-decoration:none;letter-spacing:.1em;
  position:relative;padding:6px 0;transition:.3s}
.page-manual .nav-links a::after {content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--m-g);transition:.4s}
.page-manual .nav-links a:hover {color:var(--m-g-deep)}
.page-manual .nav-links a:hover::after {width:100%}
.page-manual .nav-links a.active {color:var(--m-g-deep)}
.page-manual .nav-links a.active::after {width:100%;background:var(--m-g)}
.page-manual .nav-cta {font-size:12px;font-weight:350;color:var(--m-g-deep);border:1px solid var(--m-line-g);padding:9px 22px;
  text-decoration:none;letter-spacing:.12em;transition:.4s}
.page-manual .nav-cta:hover {border-color:var(--m-g);background:var(--m-g);color:#fff}

/* ── 栅格 ── */
.page-manual .wrap {width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.page-manual .wrap-n {max-width:880px;margin:0 auto;padding:0 48px}

/* ── 字体层级 ── */
.page-manual .eyebrow {font-size:11px;font-weight:400;letter-spacing:.32em;text-transform:uppercase;color:var(--m-g-deep);
  margin-bottom:28px;display:block;line-height:1.6}
.page-manual .eyebrow b {font-weight:400;color:var(--m-ink3);letter-spacing:.18em;margin-right:10px}
.page-manual .eyebrow.light {color:var(--m-g-light)}
.page-manual .display {font-size:clamp(56px,6.4vw,104px);font-weight:250;line-height:1.16;letter-spacing:.12em}
.page-manual .h-lg {font-size:clamp(32px,4.4vw,58px);font-weight:250;line-height:1.42;letter-spacing:.07em}
.page-manual .h-md {font-size:clamp(20px,2vw,26px);font-weight:350;line-height:1.7;letter-spacing:.08em}
.page-manual .sub {font-size:clamp(14.5px,1.4vw,16.5px);font-weight:350;line-height:2.1;color:var(--m-ink3);margin-top:24px;letter-spacing:.08em}
.page-manual .lead {font-size:16.5px;font-weight:300;line-height:2.15;color:var(--m-ink2)}
.page-manual .body {font-size:15.5px;font-weight:350;line-height:2.05;color:var(--m-ink2)}
.page-manual .small {font-size:13px;font-weight:350;line-height:2;color:var(--m-ink3);letter-spacing:.05em}
.page-manual .caption {font-size:10.5px;font-weight:400;letter-spacing:.26em;text-transform:uppercase;color:var(--m-ink3);line-height:1.8}
.page-manual em.g {font-style:normal;color:var(--m-g-deep)}

/* ── 章节留白 ── */
.page-manual section {padding:150px 0;position:relative}
.page-manual section.xl {padding:200px 0}
.page-manual section.sm {padding:110px 0}
.page-manual section.dark {background:var(--m-dark);color:#fff}
.page-manual section.dark .lead, .page-manual section.dark .body, .page-manual section.dark .sub {color:#A9BDB0}
/* 章节分节：顶部细线 + 左侧 56px 翠绿段 */
.page-manual .head, .page-manual .split .sticky {margin-bottom:76px;padding-top:58px;border-top:1px solid var(--m-line);position:relative}
.page-manual .head::before, .page-manual .split .sticky::before {content:"";position:absolute;top:-1px;left:0;width:56px;height:1px;background:var(--m-g)}
.page-manual .head.center::before {left:50%;transform:translateX(-50%)}
.page-manual section.dark .head, .page-manual section.dark .split .sticky {border-top-color:rgba(255,255,255,.13)}
.page-manual .head.center {text-align:center}
.page-manual .head.center .eyebrow {margin-bottom:24px}
.page-manual .split .sticky {margin-bottom:0}

/* 留白分隔线：极细 + 左侧绿点 */
.page-manual .rule {height:1px;background:var(--m-line);position:relative;margin:0}
.page-manual .rule::before {content:"";position:absolute;left:0;top:-2px;width:5px;height:5px;background:var(--m-g)}

/* ── 图片 ── */
.page-manual .imgwrap {position:relative;overflow:hidden;background:var(--m-surface);border:1px solid var(--m-line)}
.page-manual .imgwrap img {width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.6s cubic-bezier(.22,.61,.36,1)}
.page-manual .imgwrap:hover img {transform:scale(1.035)}
.page-manual section.dark .imgwrap {border-color:rgba(255,255,255,.13)}
.page-manual .bg-img {position:absolute;inset:0;background:center/cover no-repeat;z-index:0}
.page-manual .overlay {position:absolute;inset:0;z-index:1}

/* ── HERO：Apple 式居中堆叠 — 文案在上，满幅图下探出屏 ── */
.page-manual #hero {min-height:100vh;background:var(--m-bg);padding:0;overflow:hidden;display:flex;flex-direction:column}
.page-manual .hero-top {flex:none;width:100%;max-width:1240px;margin:0 auto;padding:168px 48px 0;text-align:center}
.page-manual #hero .hero-en {font-size:11px;letter-spacing:.44em;color:var(--m-g-deep);text-transform:uppercase;margin-bottom:30px;display:block}
.page-manual #hero .display {margin:0 auto}
.page-manual #hero .hero-rule {width:56px;height:1px;background:var(--m-g);margin:34px auto 0}
.page-manual #hero .hero-sub {font-size:clamp(15.5px,1.7vw,19px);font-weight:300;line-height:2.1;color:var(--m-ink2);
  max-width:600px;margin:32px auto 0;letter-spacing:.08em}
.page-manual #hero .hero-meta {display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:940px;margin:58px auto 0;padding-top:32px;border-top:1px solid var(--m-line-g);text-align:center}
.page-manual #hero .hero-meta .k {font-size:10.5px;letter-spacing:.22em;color:var(--m-ink3);margin-bottom:9px}
.page-manual #hero .hero-meta .v {font-size:14.5px;font-weight:400;color:var(--m-ink);letter-spacing:.07em}
/* 图像块吃掉剩余高度，底部被首屏切断 —— Apple 的「下探」手法 */
.page-manual .hero-shot {flex:1;min-height:320px;position:relative;overflow:hidden;margin-top:66px;
  background:var(--m-surface);border-top:1px solid var(--m-line-g)}
.page-manual .hero-shot img {position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  transform:scale(1.06);transition:transform 2.6s cubic-bezier(.22,.61,.36,1)}
.page-manual .hero-shot img.zoom {transform:scale(1)}

/* ── 宣言（09 深色微距） ── */
.page-manual #statement {min-height:100vh;display:flex;align-items:center;overflow:hidden}
.page-manual #statement .bg-img {background-image:url("assets/images/b2b/manual-09-macro.webp")}
.page-manual #statement .overlay {background:linear-gradient(90deg,rgba(6,14,9,.95) 0%,rgba(6,14,9,.85) 48%,rgba(6,14,9,.42) 100%)}
.page-manual #statement .content {position:relative;z-index:2;max-width:660px}
.page-manual #statement .h-lg {font-size:clamp(28px,3.4vw,44px);color:#fff;line-height:1.7}
.page-manual #statement .body {font-size:16px;color:#A9BDB0;margin-top:34px;max-width:560px}

/* ── 分栏 ── */
.page-manual .split {display:grid;grid-template-columns:300px 1fr;gap:96px;align-items:start}
.page-manual .split .sticky {position:sticky;top:132px}
.page-manual .split .content {padding-top:6px}

/* ── 卡片（极细线） ── */
.page-manual .grid2 {display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.page-manual .grid3 {display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.page-manual .grid4 {display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.page-manual .card {border:1px solid var(--m-line);padding:44px 38px;background:#fff;transition:.5s;position:relative}
.page-manual .card::before {content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--m-g);transform:scaleX(0);transition:.55s cubic-bezier(.22,.61,.36,1);transform-origin:left}
.page-manual .card:hover {border-color:rgba(0,155,76,.45);background:var(--m-surface)}
.page-manual .card:hover::before {transform:scaleX(1)}
.page-manual .card .num {font-size:20px;font-weight:300;color:var(--m-g);letter-spacing:.2em;margin-bottom:18px;line-height:1}
.page-manual .card .num i {font-style:normal;display:block;font-size:9.5px;letter-spacing:.28em;color:var(--m-ink3);margin-top:10px;text-transform:uppercase}
.page-manual .card .t {font-size:17px;font-weight:400;margin-bottom:14px;letter-spacing:.08em;line-height:1.6}
.page-manual .card .d {font-size:14px;font-weight:350;line-height:2.05;color:var(--m-ink2)}

/* ── 引言 ── */
.page-manual .quote-lg {font-size:clamp(20px,2.5vw,30px);font-weight:250;line-height:1.95;letter-spacing:.06em;
  padding:0 0 0 34px;border-left:1px solid var(--m-g);margin:64px 0}

/* ── 提示块 ── */
.page-manual .note {background:var(--m-g-pale);padding:34px 40px;font-size:14px;line-height:2.1;color:var(--m-ink2)}
.page-manual .note b {color:var(--m-g-deep);font-weight:400}
.page-manual .warn {border:1px solid var(--m-line);border-left:1px solid var(--m-g);padding:32px 38px;font-size:14px;line-height:2.1;color:var(--m-ink2);background:var(--m-surface)}
.page-manual .warn b {color:var(--m-g-deep);font-weight:400}

/* ── 表格 ── */
.page-manual table {width:100%;border-collapse:collapse;font-size:13.5px}
.page-manual th {background:#F3F8F5;color:var(--m-g-deep);font-weight:400;text-align:left;padding:16px 18px;
  border-bottom:1.5px solid var(--m-g);font-size:11px;letter-spacing:.2em;white-space:nowrap}
.page-manual td {padding:22px 16px;border-bottom:1px solid var(--m-line);vertical-align:top;line-height:2;letter-spacing:.04em}
.page-manual td b {font-weight:400;color:var(--m-ink);letter-spacing:.08em}
.page-manual td i {font-style:normal;display:block;font-size:10.5px;letter-spacing:.16em;color:var(--m-ink3);margin-top:4px;text-transform:uppercase}
.page-manual tbody tr {transition:.3s}
.page-manual tbody tr:hover {background:var(--m-surface)}

/* ── FAQ 手风琴 ── */
.page-manual .acc {border-bottom:1px solid var(--m-line)}
.page-manual .acc-q {display:flex;justify-content:space-between;align-items:center;padding:30px 0;cursor:pointer;transition:.3s}
.page-manual .acc-q:hover {color:var(--m-g-deep)}
.page-manual .acc-q .qt {font-size:16px;font-weight:400;letter-spacing:.08em;max-width:92%;line-height:1.9}
.page-manual .acc-q .icon {width:16px;height:16px;position:relative;flex-shrink:0}
.page-manual .acc-q .icon::before, .page-manual .acc-q .icon::after {content:"";position:absolute;background:var(--m-g);transition:.4s}
.page-manual .acc-q .icon::before {top:7.25px;left:0;width:16px;height:1px}
.page-manual .acc-q .icon::after {top:0;left:7.25px;width:1px;height:16px}
.page-manual .acc.active .icon::after {transform:scaleY(0)}
.page-manual .acc-a {max-height:0;overflow:hidden;transition:max-height .5s ease,padding .5s}
.page-manual .acc.active .acc-a {max-height:420px;padding-bottom:30px}
.page-manual .acc-a .inner {font-size:14.5px;line-height:2.15;color:var(--m-ink2);max-width:820px;letter-spacing:.05em}

/* ── 流程 ── */
.page-manual .process {display:grid;grid-template-columns:repeat(6,1fr);gap:20px;position:relative}
.page-manual .process::before {content:"";position:absolute;top:17px;left:8%;right:8%;height:1px;background:var(--m-line-g);z-index:0}
.page-manual .proc {position:relative;z-index:1;text-align:center}
.page-manual .proc .dot {width:36px;height:36px;border-radius:50%;background:var(--m-bg);border:1px solid var(--m-line);
  display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:12px;font-weight:400;
  color:var(--m-g-deep);transition:.4s;letter-spacing:0}
.page-manual .proc:hover .dot {border-color:var(--m-g);background:var(--m-g);color:#fff}
.page-manual .proc .pt {font-size:15px;font-weight:400;margin-bottom:10px;letter-spacing:.1em}
.page-manual .proc .pd {font-size:12.5px;line-height:2;color:var(--m-ink3);letter-spacing:.05em}

/* ── 合作档位 ── */
.page-manual .tier {border:1px solid var(--m-line);padding:52px 42px;background:#fff;transition:.5s;display:flex;flex-direction:column;position:relative}
.page-manual .tier:hover {border-color:rgba(0,155,76,.45);background:var(--m-surface)}
.page-manual .tier.featured {border-color:var(--m-g)}
.page-manual .tier .tag {display:inline-block;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--m-g-deep);
  border:1px solid var(--m-line-g);padding:5px 14px;margin-bottom:26px;align-self:flex-start}
.page-manual .tier.featured .tag {background:var(--m-g);border-color:var(--m-g);color:#fff}
.page-manual .tier .tn {font-size:23px;font-weight:300;letter-spacing:.14em;margin-bottom:10px;line-height:1.5}
.page-manual .tier .te {font-size:12.5px;color:var(--m-ink3);letter-spacing:.08em;margin-bottom:34px}
.page-manual .tier ul {list-style:none;flex:1;margin-bottom:32px}
.page-manual .tier li {font-size:13.5px;line-height:2;color:var(--m-ink2);padding-left:20px;position:relative;margin-bottom:12px;letter-spacing:.05em}
.page-manual .tier li::before {content:"";position:absolute;left:0;top:15px;width:11px;height:1px;background:var(--m-g)}
.page-manual .tier .tf {font-size:12.5px;color:var(--m-ink3);line-height:2;letter-spacing:.05em;padding-top:22px;border-top:1px solid var(--m-line)}

/* ── 数据 ── */
.page-manual .stat .n {font-size:clamp(42px,5.4vw,76px);font-weight:200;line-height:1;letter-spacing:.02em;color:var(--m-g);margin-bottom:16px}
.page-manual .stat .l {font-size:13px;letter-spacing:.1em;color:#A9BDB0;line-height:1.9}

/* ── CTA ── */
.page-manual #cta {min-height:640px;display:flex;align-items:center;overflow:hidden}
.page-manual #cta .bg-img {background-image:url("assets/images/b2b/manual-07-sleep.webp")}
.page-manual #cta .overlay {background:linear-gradient(90deg,rgba(255,255,255,.99) 0%,rgba(255,255,255,.95) 46%,rgba(255,255,255,.42) 100%)}
.page-manual #cta .content {position:relative;z-index:2;max-width:520px}
.page-manual .btn {display:inline-flex;align-items:center;gap:12px;background:var(--m-g);color:#fff;text-decoration:none;
  padding:17px 42px;font-size:13px;letter-spacing:.2em;transition:.45s;margin-top:38px}
.page-manual .btn:hover {background:var(--m-ink)}
.page-manual .btn svg {width:14px;height:14px;fill:currentColor}
.page-manual .contact-link {font-size:15px;color:var(--m-ink);text-decoration:none;letter-spacing:.06em;transition:.3s}
.page-manual .contact-link:hover {color:var(--m-g-deep)}
.page-manual footer .fg a:hover {color:var(--m-g-light)}

/* ── 页脚 ── */
.page-manual footer {background:var(--m-dark);color:#94A99B;padding:96px 0 44px;font-size:13px;line-height:2.1}
.page-manual footer .fg {display:grid;grid-template-columns:1.6fr 1fr 1fr .9fr 1fr;gap:36px;margin-bottom:72px}
.page-manual footer h5 {color:#fff;font-size:11px;letter-spacing:.24em;font-weight:400;margin-bottom:24px}
.page-manual footer h5 i {font-style:normal;display:block;color:var(--m-g);font-size:9.5px;letter-spacing:.26em;margin-top:7px;text-transform:uppercase}
.page-manual footer p, .page-manual footer li {color:#8CA190;font-size:13px;letter-spacing:.05em}
.page-manual footer ul {list-style:none}
.page-manual footer li {margin-bottom:8px}
.page-manual footer .dis {border-top:1px solid rgba(255,255,255,.09);padding-top:32px;font-size:12px;line-height:2.2;color:#6F8577;letter-spacing:.04em}
.page-manual footer .dis b {color:var(--m-g-light);font-weight:400}

/* ── 动效 ──
   原版用 IntersectionObserver 触发 .reveal.in，但 fail-catastrophic：
   锚点跳转、IO 慢触发、慢设备都会让元素永远停留在 opacity:0。
   改为 CSS animation 一次性入场，元素默认 opacity:1（fail-safe 永远可见），
   partner-manual.php 的内联 IO 监听保留作为兼容（加 .in 是 no-op）。
   prefers-reduced-motion 用户直接跳过动画。 */
.page-manual .reveal {
  opacity: 1;
  transform: none;
  animation: pmReveal 1.1s cubic-bezier(.22,.61,.36,1) both;
  animation-delay: 0.1s;
}
.page-manual .reveal.in { opacity: 1; transform: none; }
@keyframes pmReveal {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .page-manual .reveal { animation: none; }
}

@media(max-width:1024px){
.page-manual .nav-links {display:none}
.page-manual .hero-top {padding:132px 48px 0}
.page-manual #hero .hero-meta {max-width:none;gap:26px}
.page-manual .split {grid-template-columns:1fr;gap:48px}
.page-manual .split .sticky {position:static}
.page-manual .process {grid-template-columns:repeat(3,1fr);gap:36px}
.page-manual .process::before {display:none}
.page-manual .grid4 {grid-template-columns:repeat(2,1fr)}
/* B2B 手册 grid3 在 1024 以下从 3 列降为 2 列：6 张卡 = 3×2 整齐；3/5 张卡时末行孤儿居中 */
.page-manual .grid3 {grid-template-columns:repeat(2,1fr)}
.page-manual .grid3 > .card:last-child:nth-child(2n+1) {grid-column:1 / -1; max-width:calc(50% - 12px); justify-self:center}
.page-manual footer .fg {grid-template-columns:1fr 1fr 1fr}
.page-manual section {padding:110px 0}
.page-manual section.xl {padding:140px 0}
}
@media(max-width:640px){
.page-manual .wrap, .page-manual .wrap-n, .page-manual .nav-in {padding:0 26px}
.page-manual .grid2, .page-manual .grid3, .page-manual .grid4, .page-manual .process {grid-template-columns:1fr}
.page-manual .hero-top {padding:112px 26px 0}
.page-manual .hero-shot {margin-top:48px;min-height:300px}
.page-manual #hero .hero-meta {grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.page-manual #statement .overlay {background:linear-gradient(90deg,rgba(6,14,9,.93) 0%,rgba(6,14,9,.86) 100%)}
.page-manual #cta .overlay {background:rgba(255,255,255,.94)}
.page-manual footer .fg {grid-template-columns:1fr}
/* 表格移动端横滑 + 紧凑排版（避免 5 列被横向截断） */
.page-manual table {display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; white-space:nowrap}
.page-manual th {padding:14px 12px; font-size:10px; letter-spacing:.18em}
.page-manual td {padding:16px 12px; font-size:12.5px; line-height:1.85; white-space:normal}
/* 表格底部加一个弱提示告诉用户可横滑 */
.page-manual table::-webkit-scrollbar {height:4px}
.page-manual table::-webkit-scrollbar-thumb {background:var(--m-line-g); border-radius:2px}
}

/* html 级 scroll-behavior 单独作用域 */
.page-manual-html { scroll-behavior: smooth; }