/* home.css extracted from index inline styles */
.icon{display:inline-block;width:1em;height:1em;vertical-align:-.125em;flex:0 0 auto}
header.site-header,nav.navbar,nav.nav-links,.preview-site-nav,.site-header{display:none!important}



.nav-links a[aria-current="page"]{color:#022145;font-weight:650}
.preview-site-nav{position:sticky;top:0;z-index:300;background:#fff;border-bottom:1px solid #E6ECF1}
.preview-site-nav .bar{width:min(1200px,92%);margin:0 auto;min-height:58px;display:flex;align-items:center;gap:18px}
.preview-site-nav img{height:30px;width:auto}
.preview-site-nav nav{display:flex;flex-wrap:wrap;gap:16px;font-size:14px}
.preview-site-nav a{color:#334451;text-decoration:none}
.preview-site-nav a[aria-current="page"]{color:#022145;font-weight:700}


/* ============================================================
   1. 设计变量
   ============================================================ */
:root{
  --primary:#022145;
  --primary-hover:#163A66;
  --primary-deep:#022145;
  --primary-dark:#0F2A43;
  --primary-soft:#EAF4FB;

  --text-1:#1B2A38;
  --text-2:#54687A;
  --text-3:#8798A5;

  --line:#E6ECF1;
  --line-soft:#EFF3F6;

  --bg-white:#FFFFFF;
  --bg-soft:#F6F8FA;
  --bg-body:#F4F7F9;

  --radius-img:4px;
  --radius-btn:3px;
  --radius-input:4px;
  --radius-micro:2px;

  --shadow-xs:0 1px 3px rgba(15,42,67,.04);
  --shadow-sm:0 4px 14px rgba(15,42,67,.055);
  --shadow-md:0 14px 32px rgba(15,42,67,.10);

  --shell:1200px;
  --section-y:48px;

  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB",
         "Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

/* ============================================================
   2. 基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.6;
  color:var(--text-1);
  background:var(--bg-body);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
[hidden]{display:none!important}

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

/* ============================================================
   3. 布局工具
   ============================================================ */
.shell{width:min(var(--shell),90%);margin-inline:auto}
.section{padding-block:var(--section-y)}
.section--soft{background:var(--bg-soft)}
.section--white{background:var(--bg-white)}

.section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px 20px;
  flex-wrap:wrap;
  margin-bottom:8px;
}
.section-title{
  font-size:28px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.35px;
  color:#152A3C;
}
.section-title--center{text-align:center}
.section-desc{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  margin-bottom:28px;
}

/* ============================================================
   4. 按钮
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:12px 24px;
  font-size:14.5px;
  font-weight:650;
  letter-spacing:.2px;
  border-radius:var(--radius-btn);
  white-space:nowrap;
  transition:background-color .25s ease,color .25s ease,
             transform .25s ease,box-shadow .25s ease;
}
.btn i{font-size:12px;transition:transform .25s ease}
.btn:hover i{transform:translateX(3px)}

.btn-on-dark{
  background:#fff;
  color:#022145;
  box-shadow:0 10px 26px rgba(3,46,74,.30);
}
.btn-on-dark:hover{
  background:#E8EEF5;
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(3,46,74,.36);
}

.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  transition:color .22s ease;
}
.btn-link:hover{color:var(--primary-hover)}
.btn-link i{font-size:11px;transition:transform .25s ease}
.btn-link:hover i{transform:translateX(4px)}

/* ============================================================
   5. 顶栏
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.navbar{
  height:70px;
  width:min(var(--shell),90%);
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{height:34px;width:auto}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;
  font-size:15px;
  color:#334451;
  padding-block:6px;
  transition:color .22s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:0;
  height:2px;
  background:var(--primary);
  transition:right .28s ease;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{right:0}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

.search{
  display:flex;
  align-items:center;
  gap:10px;
  width:228px;
  height:40px;
  padding:0 14px;
  background:#F5F8FA;
  border:1px solid #E3EAEF;
  border-radius:var(--radius-input);
  transition:border-color .22s ease,background-color .22s ease;
}
.search:focus-within{border-color:var(--primary);background:#fff}
.search i{color:var(--text-3);font-size:14px;flex:0 0 auto}
.search input{
  flex:1;min-width:0;
  border:0;background:none;outline:none;
  font-size:14px;color:var(--text-1);
}
.search input::placeholder{color:#93A3AF}

.hamburger{
  display:none;
  width:38px;height:38px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{
  display:block;
  width:22px;height:2px;
  border-radius:2px;
  background:var(--text-1);
  transition:transform .3s ease,opacity .2s ease;
}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.search-toggle{
  display:grid;
  place-items:center;
  flex:0 0 auto;
  width:20px;
  height:28px;
  padding:0;
  color:var(--text-3);
  background:transparent;
  border:0;
  border-radius:3px;
  cursor:pointer;
}
.search-toggle i{font-size:14px;color:inherit}
.search-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.search input[type="search"]{-webkit-appearance:none;appearance:none}
.search input[type="search"]::-webkit-search-cancel-button{cursor:pointer}

/* ============================================================
   6. Hero
   ============================================================ */
.hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  background:
    radial-gradient(circle at 84% 12%, rgba(96,180,228,.26), transparent 46%),
    linear-gradient(125deg,#022145 0%,#022145 54%,#022145 100%);
}
.hero::after{
  content:"";
  position:absolute;
  right:-210px;
  bottom:-300px;
  width:560px;height:560px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 0 0 62px rgba(255,255,255,.022),
             0 0 0 124px rgba(255,255,255,.014);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:min(var(--shell),90%);
  margin-inline:auto;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  align-items:center;
  gap:64px;
  padding-block:82px;
}
.hero h1{
  font-size:46px;
  font-weight:800;
  line-height:1.18;
  letter-spacing:-1.2px;
  margin-bottom:20px;
}
.hero p{
  max-width:540px;
  font-size:17px;
  line-height:1.9;
  color:rgba(232,244,252,.86);
  margin-bottom:32px;
}
.hero-visual{
  border-radius:var(--radius-img);
  overflow:hidden;
  aspect-ratio:1.42;
  background:#EAF4FA;
  box-shadow:0 26px 60px rgba(0,0,0,.32),
             0 0 0 1px rgba(255,255,255,.10);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}

/* ============================================================
   7. 路径卡
   ============================================================ */
.paths{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)));
  gap:22px;
  margin-top:34px;
}
.path{
  position:relative;
  display:block;
  aspect-ratio:16/10;
  border-radius:var(--radius-img);
  overflow:hidden;
  color:#fff;
  box-shadow:0 6px 20px rgba(15,42,67,.10);
  transition:transform .38s ease,box-shadow .38s ease;
}
.path:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 42px rgba(15,42,67,.17);
}
.path-bg{
  position:absolute;
  inset:0;
  background-color:#29485E;
  background-size:cover;
  background-position:center;
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
}
.path:hover .path-bg{transform:scale(1.06)}

.path-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to bottom,
    rgba(8,20,34,0)   0%,
    rgba(8,20,34,.10) 42%,
    rgba(8,20,34,.38) 68%,
    rgba(8,20,34,.72) 100%);
}
.path-num{
  position:absolute;
  top:14px;right:18px;
  z-index:2;
  font-size:42px;
  font-weight:800;
  line-height:1;
  letter-spacing:-1.5px;
  color:rgba(255,255,255,.14);
  pointer-events:none;
  user-select:none;
}
.path-body{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:3;
  padding:26px 24px 24px;
}
.path-body h3{
  font-size:22px;
  font-weight:700;
  letter-spacing:-.2px;
  margin-bottom:6px;
  text-shadow:0 2px 12px rgba(0,0,0,.55);
}
.path-body p{
  font-size:13.5px;
  line-height:1.6;
  color:rgba(255,255,255,.92);
  margin-bottom:14px;
  text-shadow:0 1px 8px rgba(0,0,0,.45);
}
.path-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:#fff;
  text-shadow:0 1px 8px rgba(0,0,0,.55);
}
.path-cta i{font-size:11px;transition:transform .3s ease}
.path:hover .path-cta i{transform:translateX(4px)}

/* ============================================================
   8. 学习中心
   —— 左右两栏等宽，主图自动拉伸与右侧 2×2 小卡等高
   ============================================================ */
.section--learning-center{
  background:#F1F5F7;
  border-top:1px solid rgba(15,42,67,.025);
  border-bottom:1px solid rgba(15,42,67,.025);
}

.learn-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr); /* 1:1 等宽 */
  gap:20px;
  margin-top:28px;
  align-items:stretch; /* 让左右两栏等高 */
}

.learn-feature{
  position:relative;
  display:block;
  min-width:0;
  /* 高度由 grid stretch 决定，不再用 aspect-ratio */
  overflow:hidden;
  background:#E8EEF2;
  border:1px solid rgba(15,42,67,.075);
  border-radius:var(--radius-img);
  box-shadow:0 6px 20px rgba(15,42,67,.06);
  color:#fff;
  isolation:isolate;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.learn-feature:hover{
  transform:translateY(-4px);
  border-color:#C7DDE8;
  box-shadow:0 15px 34px rgba(15,42,67,.11);
}

.learn-feature-media{
  position:absolute;
  inset:0;
  overflow:hidden;
  background:#E8EEF2;
}
.learn-feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .7s cubic-bezier(.2,.7,.2,1);
}
.learn-feature:hover .learn-feature-media img{transform:scale(1.035)}
.learn-feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,
    rgba(8,20,34,0) 25%,
    rgba(8,20,34,.015) 42%,
    rgba(8,20,34,.72) 100%);
  pointer-events:none;
}
.learn-feature-overlay{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:54px 24px 22px;
}
.learn-feature-title{
  max-width:92%;
  font-size:23px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.25px;
  color:#fff;
  margin:0 0 4px;
  text-shadow:0 1px 9px rgba(0,0,0,.48);
}
.learn-feature-quote{
  display:inline-block;
  max-width:88%;
  margin:0;
  font-size:13px;
  line-height:1.65;
  font-weight:500;
  color:#fff;
  text-shadow:0 1px 8px rgba(0,0,0,.5);
}

.learn-tiles{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  min-width:0;
}
.learn-tile{
  position:relative;
  display:block;
  min-width:0;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E8EEF2;
  border:1px solid rgba(15,42,67,.075);
  border-radius:var(--radius-img);
  box-shadow:0 4px 15px rgba(15,42,67,.045);
  color:#fff;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.learn-tile:hover{
  transform:translateY(-4px);
  border-color:#C7DDE8;
  box-shadow:0 13px 29px rgba(15,42,67,.10);
}
.learn-tile-media{
  position:absolute;
  inset:0;
  overflow:hidden;
  background:#0F2A43;
}
.learn-tile-media img{
  width:100%;
  height:100%;
  object-fit:contain;
  transition:transform .6s cubic-bezier(.2,.7,.2,1);
}
.learn-tile:hover .learn-tile-media img{transform:scale(1.045)}
.learn-tile-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,
    rgba(8,20,34,0) 24%,
    rgba(8,20,34,.025) 46%,
    rgba(8,20,34,.68) 100%);
  pointer-events:none;
}
.learn-tile-body{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:36px 16px 14px;
}
.learn-tile-title{
  font-size:15px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:.05px;
  color:#fff;
  margin-bottom:2px;
  text-shadow:0 1px 7px rgba(0,0,0,.42);
}
.learn-tile-desc{
  font-size:11.5px;
  line-height:1.5;
  color:rgba(255,255,255,.92);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  text-shadow:0 1px 6px rgba(0,0,0,.40);
}

@media (max-width:1024px){
  .learn-layout{grid-template-columns:1fr 1fr;gap:14px}
  .learn-tiles{gap:14px}
  .learn-feature-overlay{padding:45px 18px 17px}
  .learn-feature-title{font-size:20px}
  .learn-feature-quote{font-size:12.5px}
}

@media (max-width:768px){
  .section--learning-center{background:#F2F6F8}
  .learn-layout{grid-template-columns:1fr;gap:12px;margin-top:22px}
  /* 单列时恢复 16:9，否则主图高度会塌陷 */
  .learn-feature{aspect-ratio:16/9}
  .learn-feature-overlay{padding:45px 17px 16px}
  .learn-feature-title{max-width:96%;font-size:18px;line-height:1.4;margin-bottom:3px}
  .learn-feature-quote{max-width:96%;font-size:12px;line-height:1.6}
  .learn-tiles{grid-template-columns:1fr 1fr;gap:10px}
  .learn-tile{aspect-ratio:16/9}
  .learn-tile-body{padding:29px 11px 11px}
  .learn-tile-title{font-size:13.5px}
  .learn-tile-desc{font-size:11px}
}

@media (max-width:480px){
  .learn-layout{gap:10px}
  .learn-feature-overlay{padding:37px 14px 13px}
  .learn-feature-title{font-size:16.5px}
  .learn-feature-quote{font-size:11.5px}
  .learn-tiles{gap:8px}
  .learn-tile{aspect-ratio:16/9}
  .learn-tile-body{padding:25px 10px 10px}
  .learn-tile-title{font-size:13px}
  .learn-tile-desc{font-size:10.5px}
}

/* ============================================================
   9. 选项卡 + 加载更多
   ============================================================ */
.tabs{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:12px;
  margin-bottom:26px;
  border-bottom:1px solid var(--line);
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;
  padding:8px 16px;
  font-size:13.5px;
  font-weight:550;
  color:#6C7D8B;
  white-space:nowrap;
  border:1px solid transparent;
  border-radius:var(--radius-micro);
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.tab:hover{color:#334451;background:#F1F4F6}
.tab.is-active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:#D5EAF5;
}

.load-more{display:flex;justify-content:center;margin-top:36px}
.load-more button{
  min-width:132px;
  padding:10px 30px;
  font-size:13.5px;
  font-weight:550;
  color:var(--text-2);
  background:#fff;
  border:1px solid #E1E8ED;
  border-radius:var(--radius-btn);
  transition:all .22s ease;
}
.load-more button:hover:not(:disabled){
  color:var(--primary);
  border-color:#B7D9EC;
  background:#F6FBFE;
}
.load-more button:disabled{
  color:#A9B6C0;
  background:#F7F9FA;
  border-color:#EDF1F4;
  cursor:not-allowed;
}

/* ============================================================
   10. 图书网格
   ============================================================ */
.books{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:28px 22px;
  contain:layout style;
}
/* noscript 提示 */
.grid-noscript{
  grid-column:1 / -1;
  padding:40px 0;
  text-align:center;
  color:var(--text-2);
}
.book{
  display:block;
  min-width:0;
  transform:translateZ(0);
  transition:transform .3s ease;
}
.book-cover{
  position:relative;
  width:100%;
  aspect-ratio:3/4.08;
  border-radius:var(--radius-micro);
  overflow:hidden;
  background:#F6F8FA;
}
.book-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s cubic-bezier(.2,.7,.2,1);
}
.book:hover .book-cover img{transform:scale(1.025)}
.book-info{
  margin-top:13px;
  padding:0 3px;
  text-align:left;
}
.book-title{
  font-size:13.5px;
  font-weight:650;
  line-height:1.55;
  color:#293A48;
  letter-spacing:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.book-author{
  margin-top:2px;
  font-size:12px;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============================================================
   11. 工具卡
   ============================================================ */
.tools{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;
  margin-top:22px;
}
.tool{
  padding:28px 18px 22px;
  text-align:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tool:hover{
  transform:translateY(-5px);
  border-color:#CFE3EE;
  box-shadow:var(--shadow-md);
}
.tool-icon{
  width:54px;height:54px;
  margin:0 auto 16px;
  display:grid;
  place-items:center;
  border-radius:var(--radius-img);
  font-size:21px;
  color:var(--primary);
  background:#EDF2F5;
  transition:background .3s ease,color .3s ease;
}
.tool:hover .tool-icon{
  background:#0F2A43;
  color:#fff;
}
.tool h4{
  font-size:15px;
  font-weight:650;
  letter-spacing:-.1px;
  margin-bottom:8px;
}
.tool p{
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-2);
}

/* ============================================================
   12. 资源网格
   ============================================================ */
.resources{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:20px 18px;
}
.res{
  display:block;
  background:#fff;
  border:1px solid #E2E9ED;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:0 4px 14px rgba(15,42,67,.04);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.res:hover{
  transform:translateY(-5px);
  border-color:#CFE1EB;
  box-shadow:0 12px 28px rgba(15,42,67,.085);
}
.res-cover{
  position:relative;
  width:100%;
  aspect-ratio:3/4;
  overflow:hidden;
  background:#F0F4F7;
}
.res-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s cubic-bezier(.2,.7,.2,1);
}
.res:hover .res-cover img{transform:scale(1.025)}
.res-badge{
  position:absolute;
  top:8px;left:8px;
  z-index:2;
  padding:3px 7px;
  font-size:10px;
  font-weight:600;
  letter-spacing:.2px;
  color:#fff;
  border-radius:var(--radius-micro);
  background:rgba(15,42,67,.78);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  box-shadow:0 3px 10px rgba(15,42,67,.08);
}
.res-body{padding:9px 10px 11px}
.res-title{
  font-size:12.5px;
  font-weight:600;
  line-height:1.4;
  color:var(--text-1);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.res-author{
  margin-top:2px;
  font-size:11px;
  color:var(--text-3);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ============================================================
   13. 与你相遇
   ============================================================ */
.gallery-title .year{color:var(--primary-dark)}
.gallery-title .dot{color:var(--text-3);margin:0 5px;font-weight:500}
.gallery-title .ctx{color:#88A0B2;font-weight:500;font-size:16px;letter-spacing:.2px}

.gallery{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:18px;
}
.gcard{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.gcard:hover{
  transform:translateY(-5px);
  border-color:#C7DCE8;
  box-shadow:var(--shadow-md);
}
.gcard-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:#fff;}
.gcard-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.02) 55%,rgba(15,42,67,.08) 100%);
  pointer-events:none;
}
.gcard-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}
.gcard:hover .gcard-media img{transform:scale(1.04)}

.gbadge{
  position:absolute;
  top:9px;left:9px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  min-height:21px;
  padding:2px 8px;
  font-size:10px;
  font-weight:700;
  letter-spacing:.4px;
  color:#fff;
  border-radius:var(--radius-micro);
  background:rgba(15,42,67,.82);
  box-shadow:0 3px 10px rgba(15,42,67,.14);
}
.gbadge--tool,
.gbadge--ref{background:rgba(15,42,67,.82);box-shadow:0 3px 10px rgba(15,42,67,.14)}

.gcard-info{
  flex:1;
  min-height:84px;
  padding:12px 12px 14px;
  display:flex;
  flex-direction:column;
}
.gcard-title{
  font-size:13.5px;
  font-weight:650;
  line-height:1.45;
  color:var(--text-1);
  margin-right:26px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.gcard-sub{
  margin-top:3px;
  font-size:11.5px;
  line-height:1.45;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.gcard-arrow{
  position:absolute;
  right:10px;bottom:12px;
  width:26px;height:26px;
  display:grid;
  place-items:center;
  font-size:11px;
  color:var(--text-3);
  background:#F1F4F6;
  border-radius:var(--radius-micro);
  transition:transform .3s ease,background-color .3s ease,color .3s ease;
}
.gcard:hover .gcard-arrow{
  transform:translateX(3px);
  color:var(--primary);
  background:#E4EEF4;
}

.perspectives{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:52px;
  padding-top:40px;
  border-top:1px solid var(--line);
}

.pcard{
  position:relative;
  min-height:216px;
  padding:28px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  border-radius:var(--radius-img);
  overflow:hidden;
  isolation:isolate;
  color:var(--text-1);
  border:1px solid var(--line);
  box-shadow:0 8px 22px rgba(15,42,67,.08);
  transition:transform .4s ease,box-shadow .4s ease,border-color .4s ease;
}
.pcard:hover{
  transform:translateY(-3px);
  border-color:#CFE3EE;
  box-shadow:0 16px 36px rgba(15,42,67,.14);
}
.pcard::before{
  content:"";
  position:absolute;
  inset:-12px;
  background-image:var(--pcard-img);
  background-size:cover;
  background-position:center;
  filter:blur(1.5px) saturate(1) brightness(1.04);
  transform:scale(1.01);
  z-index:-2;
  pointer-events:none;
}
.pcard::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,
    rgba(255,255,255,.28) 0%,
    rgba(255,255,255,.38) 55%,
    rgba(255,255,255,.52) 100%);
  z-index:-1;
  pointer-events:none;
}
.pcard--left{
  --pcard-img:url('/attachment/20260910/80e43cda73944d32b9a7ae1f33a2434c.jpg');
}
.pcard--right{
  --pcard-img:url('/attachment/20260910/35401916923b4b5cb208d3fe4a3ac26c.jpg');
}
.pcard h3{
  position:relative;
  z-index:2;
  font-size:20px;
  font-weight:700;
  letter-spacing:-.2px;
  margin-bottom:8px;
  color:#152A3C;
  text-shadow:0 1px 4px rgba(255,255,255,.95),
              0 0 12px rgba(255,255,255,.85);
}
.pcard p{
  position:relative;
  z-index:2;
  max-width:520px;
  font-size:13.5px;
  line-height:1.85;
  color:#2A3E52;
  text-shadow:0 1px 3px rgba(255,255,255,.95),
              0 0 10px rgba(255,255,255,.80);
}
.pcard p strong{font-weight:700;color:#152A3C}
.pcard-chip{
  position:relative;
  z-index:2;
  align-self:flex-start;
  margin-top:14px;
  padding:5px 11px;
  font-size:11px;
  font-weight:700;
  color:#334451;
  border-radius:var(--radius-micro);
  background:rgba(255,255,255,.88);
  border:1px solid rgba(15,42,67,.14);
}

.gallery-note{
  margin-top:18px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-3);
  text-align:center;
}

/* ============================================================
   14. 如何使用研经工具
   ============================================================ */
.howto-head{text-align:center;margin-bottom:40px}
.howto-head .section-title{margin-bottom:8px}
.howto-head p{font-size:15px;color:#71818D}
.howto-body{
  display:flex;
  align-items:flex-start;
  gap:48px;
}
.steps{
  flex:0 0 32%;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.step{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:14px;
  border-radius:var(--radius-img);
  cursor:pointer;
  transition:background-color .22s ease;
  width:100%;
  text-align:left;
  font:inherit;
  color:inherit;
  background:none;
  border:0;
}
.step:hover{background:rgba(15,42,67,.045)}
.step.is-active{background:rgba(2, 33, 69,.06)}
.step-num{
  flex:0 0 auto;
  width:30px;height:30px;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:650;
  color:var(--text-3);
  background:#EEF3F7;
  border-radius:var(--radius-micro);
  transition:background-color .28s ease,color .28s ease,box-shadow .28s ease;
}
.step.is-active .step-num{
  color:#fff;
  background:var(--primary);
  box-shadow:0 5px 14px rgba(2, 33, 69,.28);
}
.step-body{flex:1;min-width:0}
.step-title{
  font-size:15px;
  font-weight:600;
  line-height:1.45;
  color:#26394A;
}
.step-desc{
  margin-top:2px;
  font-size:12.5px;
  line-height:1.55;
  color:var(--text-3);
}
.step--link .step-num{
  color:var(--primary);
  background:#EEF3F7;
}
.step--link:hover .step-num{
  color:#fff;
  background:var(--primary);
  box-shadow:0 5px 14px rgba(2, 33, 69,.28);
}

.preview{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid #E1E9EE;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:0 14px 36px rgba(15,42,67,.08);
}
.preview-bar{
  display:flex;
  align-items:center;
  gap:9px;
  padding:11px 18px;
  font-size:12.5px;
  font-weight:550;
  color:var(--text-2);
  background:#F8FAFC;
  border-bottom:1px solid #E9EFF3;
}
.preview-bar i{color:var(--text-3);font-size:13px}

.preview-body{
  flex:1;
  min-height:420px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  padding:14px;
  background:linear-gradient(180deg,#F7FAFC,#EEF4F8);
}
.preview-body img{
  width:100%;
  max-width:100%;
  max-height:460px;
  height:auto;
  object-fit:contain;
  border-radius:var(--radius-img);
  box-shadow:0 12px 30px rgba(15,42,67,.14);
}
.preview-tip{
  padding:7px 16px;
  font-size:13px;
  line-height:1.5;
  color:var(--text-2);
  text-align:center;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--radius-micro);
}

.howto-cta{
  display:flex;
  align-items:center;
  gap:16px 20px;
  flex-wrap:wrap;
  margin-top:28px;
  padding-top:0;
  border-top:0;
  text-decoration:none;
  color:inherit;
  transition:opacity .22s ease;
}
.howto-cta:hover{opacity:.85}
.howto-cta-left{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.howto-tag{
  padding:4px 12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
  color:#334451;
  background:#E5EBEF;
  border-radius:var(--radius-micro);
  white-space:nowrap;
}
.howto-text{
  font-size:14.5px;
  color:var(--text-2);
}
.howto-text strong{color:var(--text-1);font-weight:650}

/* ============================================================
   15. 用户评价
   ============================================================ */
.quotes{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:28px;
}
.quote{
  position:relative;
  background:#fff;
  border:1px solid #E5EBEF;
  border-left:2px solid #BFDCEB;
  border-radius:var(--radius-img);
  padding:27px 28px;
  box-shadow:0 4px 16px rgba(18,52,77,.045);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.quote:hover{
  border-left-color:var(--primary);
  box-shadow:0 12px 30px rgba(18,52,77,.09);
}
.quote-icon{
  color:var(--text-3);
  font-family:Georgia,serif;
  font-size:32px;
  line-height:1;
  opacity:.28;
  margin-bottom:8px;
}
.quote p{
  margin:0 0 16px;
  font-size:15px;
  line-height:2;
  font-style:italic;
  font-weight:350;
  letter-spacing:.3px;
  color:var(--text-1);
}
.quote-user{
  display:flex;
  align-items:center;
  gap:14px;
  border-top:1px solid #EDF1F3;
  padding-top:16px;
}
.avatar{
  flex:0 0 auto;
  width:44px;height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:700;
  color:#fff;
  border-radius:var(--radius-img);
  background:var(--primary-dark);
}
.quote-name{
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
  letter-spacing:0;
}
.quote-role{
  margin-top:1px;
  font-size:13px;
  color:var(--text-2);
  letter-spacing:.2px;
}

/* ============================================================
   16. Footer
   ============================================================ */
.footer{
  padding:64px 0 26px;
  background:#022145;
  color:#8FA6BC;
  font-size:13px;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:36px 30px;
}
.footer-col{min-width:0}

.footer h3{margin:0}
.footer-toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  width:100%;
  margin-bottom:16px;
  padding:0;
  font-size:14px;
  font-weight:600;
  letter-spacing:.6px;
  color:#fff;
  text-align:left;
  background:none;
  border:0;
  cursor:pointer;
}
.footer-toggle .toggle{display:none}

.footer a{
  display:inline-block;
  padding:5px 0;
  font-size:13px;
  color:#8FA6BC;
  transition:color .2s ease,padding-left .2s ease;
}
.footer a:hover{color:#8FB4D6;padding-left:4px}

.footer-stack{
  display:flex;
  flex-direction:column;
  gap:32px;
}

.contact{display:flex;flex-direction:column;gap:14px}
.qr-row{display:flex;gap:12px}
.qr{
  width:82px;height:82px;
  padding:4px;
  background:#fff;
  border-radius:var(--radius-micro);
  transition:transform .25s ease,box-shadow .25s ease;
}
.qr img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-micro)}
.qr:hover{
  transform:translateY(-3px);
  box-shadow:0 6px 16px rgba(92,179,232,.28);
}
.contact-note{font-size:12px;color:#5C7A99}

/* ============================================================
   17. 响应式
   ============================================================ */
@media (max-width:900px) and (min-width:769px){
  .navbar{gap:14px}
  .nav-links{gap:11px}
  .nav-links a{font-size:13.5px}
  .search{width:168px;padding-inline:10px;gap:7px}
}

@media (max-width:1200px){
  .books{grid-template-columns:repeat(4,minmax(0,1fr))}
  .resources{grid-template-columns:repeat(5,minmax(0,1fr))}
  .gallery{grid-template-columns:repeat(4,minmax(0,1fr))}
  .tools{grid-template-columns:repeat(4,minmax(0,1fr))}
}

@media (max-width:1024px){
  :root{--section-y:64px}
  .hero-inner{gap:44px;padding-block:64px}
  .hero h1{font-size:38px}
  .hero p{font-size:16px}

  .learn-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
  .books{grid-template-columns:repeat(3,minmax(0,1fr))}
  .resources{grid-template-columns:repeat(4,minmax(0,1fr))}
  .tools{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gallery{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid > .footer-col:last-child{grid-column:span 3}
}

@media (max-width:860px){
  .howto-body{flex-direction:column;gap:26px}
  .steps{flex:none;width:100%;flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .steps::-webkit-scrollbar{display:none}
  .step{
    flex:0 0 auto;
    align-items:center;
    gap:8px;
    padding:8px 14px;
    border-radius:var(--radius-micro);
    background:#F2F6F9;
    width:auto;
  }
  .step:hover,.step.is-active{background:var(--primary-soft)}
  .step.is-active{background:var(--primary);color:#fff}
  .step.is-active .step-num{background:rgba(255,255,255,.24);color:#fff;box-shadow:none}
  .step.is-active .step-title{color:#fff}
  .step-desc{display:none}
  .step-num{width:24px;height:24px;font-size:12px;background:rgba(15,42,67,.06)}
  .preview{width:100%}
}

@media (max-width:768px){
  :root{--section-y:48px}

  .navbar{height:60px;gap:12px}
  .brand img{height:30px}
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:5%;
    right:5%;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 16px 14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:0 0 var(--radius-img) var(--radius-img);
    box-shadow:0 18px 36px rgba(15,42,67,.12);
  }
  .nav-links.is-open{display:flex}
  .nav-links a{
    padding:13px 2px;
    font-size:15px;
    border-bottom:1px solid var(--line-soft);
  }
  .nav-links a:last-child{border-bottom:0}
  .nav-links a::after{display:none}

  .hamburger{display:flex}

  .search{
    width:38px;height:38px;
    padding:0;
    justify-content:center;
    background:transparent;
    border-color:transparent;
  }
  .search-toggle{width:38px;height:38px;color:var(--text-1)}
  .search-toggle i{font-size:17px;color:inherit}
  .search input{display:none}
  .search.is-open{
    position:absolute;
    top:11px;left:16px;right:16px;
    width:auto;height:46px;
    z-index:30;
    padding:0 16px;
    justify-content:flex-start;
    background:#fff;
    border-color:var(--primary);
    box-shadow:0 10px 28px rgba(15,42,67,.14);
  }
  .search.is-open .search-toggle{width:24px;height:40px;color:var(--text-3)}
  .search.is-open .search-toggle i{font-size:14px;color:inherit}
  .search.is-open input{display:block}

  .hero-inner{
    grid-template-columns:1fr;
    gap:32px;
    padding-block:48px;
    text-align:center;
  }
  .hero h1{font-size:30px;letter-spacing:-.6px;margin-bottom:14px}
  .hero p{font-size:15px;line-height:1.85;margin-inline:auto;margin-bottom:26px}
  .hero-visual{aspect-ratio:1.5}

  .paths{grid-template-columns:1fr;gap:14px;margin-top:26px}
  .path{aspect-ratio:16/9}
  .path-body{padding:20px 19px 18px}
  .path-body h3{font-size:19px}
  .path-body p{font-size:13px;margin-bottom:11px}
  .path-num{font-size:34px;top:11px;right:14px}

  .learn-layout{grid-template-columns:1fr;gap:12px;margin-top:22px}
  .learn-feature-media{aspect-ratio:16/9}
  .learn-tiles{gap:10px}
  .learn-tile-body{padding:9px 11px 11px}
  .learn-tile-title{font-size:13.5px}
  .learn-tile-desc{font-size:11px}

  .books{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 14px}
  .book-title{font-size:13px;line-height:1.5}
  .book-author{font-size:11px}
  .book-info{margin-top:9px;padding:0 2px}

  .resources{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px}
  .res-title{font-size:12.5px}
  .res-author{font-size:11.5px}
  .res-body{padding:8px 9px 10px}
  .res-badge{top:7px;left:7px;padding:2px 6px;font-size:9.5px}

  .tools{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .tool{padding:22px 14px 18px}
  .tool-icon{width:48px;height:48px;font-size:19px;margin-bottom:13px;border-radius:var(--radius-img)}
  .tool h4{font-size:14px}
  .tool p{font-size:11.5px}

  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .gcard-info{min-height:76px;padding:10px 10px 12px}
  .gcard-title{font-size:12.5px}
  .gcard-sub{font-size:11.5px}

  .perspectives{grid-template-columns:1fr;gap:14px;margin-top:36px;padding-top:28px}
  .pcard{min-height:180px;padding:22px}
  .pcard h3{font-size:18px}
  .pcard p{font-size:13px}

  .howto-head{margin-bottom:26px}
  .preview-body{min-height:260px;padding:12px}
  .preview-body img{max-height:250px}
  .preview-tip{font-size:11.5px;padding:6px 12px}
  .howto-cta{margin-top:22px;padding-top:0}
  .howto-tag{font-size:11px;padding:4px 10px}
  .howto-text{font-size:13px;line-height:1.7}

  .quotes{grid-template-columns:1fr;gap:14px;margin-top:20px}
  .quote{padding:21px 20px}
  .quote p{font-size:14px;line-height:1.85}
  .quote-icon{font-size:28px;margin-bottom:6px}

  /* ============ Footer：手机端手风琴 ============ */
  .footer{padding:36px 0 22px}
  .footer-grid{display:block;gap:0}
  .footer-stack{display:block;gap:0}
  .footer-col,
  .footer-stack > .footer-col{border-bottom:1px solid rgba(255,255,255,.08)}
  .footer-grid > .footer-col:last-child{border-bottom:0}
  .footer-col:last-child{border-bottom:0}

  .footer-toggle{
    margin:0;
    padding:16px 0;
    cursor:pointer;
    user-select:none;
  }
  .footer-toggle .toggle{
    display:inline-flex;
    font-size:12px;
    color:#8FA6BC;
    transition:transform .3s ease;
  }
  .footer-col.is-open .footer-toggle .toggle{transform:rotate(90deg)}

  .footer-collapse{
    overflow:hidden;
    max-height:0;
    opacity:0;
    transition:max-height .42s cubic-bezier(.33,1,.68,1),opacity .3s ease,padding .3s ease;
  }
  .footer-col.is-open .footer-collapse{
    max-height:900px;
    opacity:1;
    padding-bottom:16px;
  }
  .footer-collapse ul{padding-left:2px}
  .footer-collapse a{font-size:14px}
  .qr{width:78px;height:78px}
}

@media (max-width:480px){
  .hero h1{font-size:27px}
  .section-title{font-size:24px}
  .books,.resources{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qr{width:70px;height:70px}
}

/* ============================================================
   19. 最终细节优化
   ============================================================ */
.site-header{isolation:isolate}
.nav-links a:focus-visible,.btn:focus-visible,.btn-link:focus-visible,
.path:focus-visible,.learn-feature:focus-visible,.learn-tile:focus-visible,
.book:focus-visible,.res:focus-visible,.gcard:focus-visible,.step:focus-visible{
  outline:3px solid rgba(2, 33, 69,.8);
  outline-offset:3px;
}
.search input{min-width:0}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.path-bg,.learn-feature-media,.learn-tile-media,.gcard-media{isolation:isolate}
.back-to-top{padding:0;cursor:pointer}
button:disabled{cursor:wait}
@media (max-width:768px){
  .nav-links{max-height:calc(100dvh - 76px);overflow-y:auto;overscroll-behavior:contain}
  .search.is-open{left:12px;right:12px}
  .back-to-top{right:14px;bottom:14px;width:42px;height:42px}
}
@media (hover:none){
  .path:hover,.learn-feature:hover,.learn-tile:hover,.tool:hover,.res:hover,.gcard:hover,.pcard:hover{transform:none}
}

/* ============================================================
   18. 无障碍与性能增强
   ============================================================ */
.skip-link{
  position:absolute;
  top:-100px;
  left:16px;
  z-index:1000;
  padding:10px 16px;
  background:var(--primary);
  color:#fff;
  font-weight:600;
  border-radius:var(--radius-btn);
  transition:top .2s ease;
}
.skip-link:focus{
  top:12px;
}

.back-to-top{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:90;
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  background:var(--primary);
  color:#fff;
  border-radius:50%;
  box-shadow:0 6px 20px rgba(2, 33, 69,.35);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s ease,visibility .3s ease,transform .3s ease,background .2s ease;
}
.back-to-top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.back-to-top:hover{background:var(--primary-hover)}
.back-to-top i{font-size:16px}
@media (max-width:1024px){
  .paths,.quotes{grid-template-columns:1fr}
  .howto-body{flex-direction:column;gap:24px}
  .steps{flex:none;width:100%}
  .books,.resources,.gallery,.tools{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .books,.resources,.gallery,.tools{grid-template-columns:1fr}
}


@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .path:hover,.learn-feature:hover,.learn-tile:hover,.book:hover,.tool:hover,.res:hover,.gcard:hover,.pcard:hover{
    transform:none;
  }
}

@media print{
  .site-header,.footer,.back-to-top,.hamburger,.search{display:none!important}
  body{background:#fff;color:#000}
  a{color:#000;text-decoration:underline}
}




.section--tools{background:#F2F3F5!important}
.section--library{background:#ffffff!important}
.section.section--learning{background:#F6F3EC!important}
.section--reviews{background:#ffffff!important}@media(max-width:768px){
.gallery,.books,.tools,.resources{grid-template-columns:repeat(2,minmax(0,1fr))!important}.howto-body{flex-direction:column}.steps{width:100%;display:flex;flex-direction:column!important}.tabs{flex-wrap:wrap;max-width:100%}.tab{max-width:100%}.step,.step--link{width:100%;max-width:100%}.preview{width:100%;min-width:0}.home-team-side h2{font-size:24px!important}
.section--lens .perspectives{grid-template-columns:1fr;margin-top:0;padding-top:0;border-top:0}
}


.howto-head{display:flex;align-items:center;justify-content:space-between;gap:28px;text-align:left}.howto-head .section-title,.howto-head p{text-align:left}.howto-head p{margin:0}
.howto-demo{flex:0 0 auto;padding:9px 14px;border:1px solid #022145;border-radius:4px;background:#fff;color:#022145;font-size:14px;font-weight:700;text-decoration:none}
.howto-demo:hover{background:#022145;color:#fff}
.steps .step--link{margin-top:10px;border:1px solid #022145;background:#F3F8FC;border-radius:8px}
.steps .step--link .step-num{color:#fff;background:#022145}
.steps .step--link .step-title{color:#022145}
.steps .step--link:hover{background:#022145}
.steps .step--link:hover .step-title,.steps .step--link:hover .step-desc{color:#fff}
@media(max-width:760px){.howto-head{flex-direction:column;align-items:flex-start}}


.home-team{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,420px);background:#F4F6F8;color:#173044;overflow:hidden}
.home-team-main{display:flex;gap:28px;align-items:center;min-width:0;padding:48px 40px 48px max(24px,calc((100vw - 1200px)/2))}
.home-team-photo{flex:0 0 220px;margin:0;border-radius:8px;overflow:hidden;background:#E6EBEF}
.home-team-photo img{display:block;width:100%;height:220px;object-fit:cover}
.home-team-photo:not(:has(img)),.home-team-photo img[hidden],.home-team-photo[hidden]{display:none}
.home-team-kicker{margin:0 0 8px;color:#022145;font-size:13px;font-weight:700}
.home-team-copy h2{margin:0 0 12px}
.home-team-copy p{margin:0;max-width:460px;color:#536878;font-size:15px;line-height:1.85}
.home-team-link{display:inline-flex;margin-top:18px;color:#022145;font-weight:700;text-decoration:none}
.home-team-side{padding:48px 28px 48px 32px;background:#022145;color:#D5E2EC}
.home-team-side h2{margin:0 0 16px;color:#fff;font-size:22px!important}
.home-team-qrs{display:flex;gap:16px}
.home-team-qrs figure{margin:0}
.home-team-qrs img{width:84px;height:84px;object-fit:cover;background:#fff;border-radius:4px}
.home-team-qrs figcaption{margin-top:6px;font-size:12px;text-align:center;color:#9BB0C2}
.home-team-mail{display:inline-block;margin-top:16px;color:#fff;font-size:14px;text-decoration:none}
.home-team-copyline{margin:16px 0 0;font-size:12.5px;line-height:1.7;color:#9BB0C2}
@media(max-width:800px){
  .home-team{grid-template-columns:1fr}
  .home-team-main{padding:32px 6%}
  .home-team-side{padding:28px 6% 36px}
}

.column-intro{margin:0 0 28px}.column-intro .section-desc{margin:8px 0 0;letter-spacing:.12em}
.howto-title{font-size:34px!important;line-height:1.3!important}.home-team-slogan{margin:8px 0 12px;color:#022145;font-size:15px;font-weight:700;letter-spacing:.08em}.home-team-link{display:inline-flex;margin-top:18px;padding:10px 18px;border-radius:4px;background:#022145;color:#fff!important;font-weight:700;text-decoration:none}.home-team-main{padding-left:max(32px,calc((100vw - 1200px)/2))}

.home-team{background:#022145!important;color:#fff}
.home-team-copy h2,.home-team-slogan,.home-team-side h2{color:#fff!important}
.home-team-slogan{color:rgba(255,255,255,.78)!important;font-weight:400!important;letter-spacing:.12em}
.home-team-copy p{color:rgba(255,255,255,.82)!important}
.home-team-link{background:transparent!important;color:#fff!important;border:1px solid rgba(255,255,255,.75);padding:10px 18px}
.home-team-link:hover{background:rgba(255,255,255,.12)!important}
.home-team-side{background:transparent!important}
.home-team-mail,.home-team-copyline,.home-team-qrs figcaption{color:rgba(255,255,255,.78)!important}
.home-team-copyline a{color:rgba(255,255,255,.78)!important;font-size:12.5px;font-weight:400;text-decoration:underline;text-underline-offset:3px}
.home-team-copyline a:hover{color:#fff!important}

.home-hero .hero-inner > div:first-child > p.hero-kicker{margin:0 0 14px!important;font-size:13px!important;font-weight:650!important;line-height:1.5!important;letter-spacing:.12em!important;color:rgba(232,244,252,.78)!important}

.section.section--learning-center{background:#f4f7fa!important;border-block:1px solid #edf1f4}
.section--learning-center .section-head{margin-bottom:7px;flex-wrap:nowrap;align-items:flex-end}
.learn-layout{gap:18px;margin-top:24px}
.learn-feature,.learn-tile{border-radius:11px;box-shadow:0 6px 20px rgba(15,42,67,.06)}
.learn-feature-media,.learn-tile-media{background:#eaf0f4}
.learn-feature-media img{object-fit:cover}
.learn-feature-title{font-size:23px!important;font-weight:700!important;line-height:1.35!important;letter-spacing:-.25px!important;color:#fff!important}
.learn-tile-media{aspect-ratio:16/9}
.learn-tile-media img{object-fit:contain!important;background:#eaf0f4}
.learn-tile-body{padding:35px 14px 13px}
.learn-tile-title{font-size:14px!important}
.learn-tile-desc{font-size:11px}
@media(max-width:768px){
  .learn-layout{grid-template-columns:1fr!important;gap:12px;margin-top:19px}
  .learn-feature{aspect-ratio:16/9}
  .learn-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .learn-tile{aspect-ratio:4/3;min-height:0}
  .learn-tile-media{aspect-ratio:4/3}
  .learn-tile-body{padding:30px 10px 10px}
  .learn-tile-title{font-size:12.5px!important}
  .learn-tile-desc{font-size:10.5px}
  .learn-feature-title{font-size:18px!important}
}


.section--soft.section--tools .gallery{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.section--soft.section--tools .section-head{margin-bottom:22px;flex-wrap:nowrap}.section--soft.section--tools .section-head .btn-link{margin-left:auto;flex:0 0 auto}@media(min-width:769px){.section--soft.section--tools .gallery{grid-template-columns:repeat(4,minmax(0,1fr))!important}}
.section--soft.section--tools .gcard{border-radius:11px;box-shadow:0 4px 14px rgba(15,42,67,.045)}
.section--soft.section--tools .gcard-media{aspect-ratio:4/5;background:#f7f9fb}
.section--soft.section--tools .gcard-media img{object-fit:contain!important;object-position:center;background:#f7f9fb}
.section--soft.section--tools .gcard-info{min-height:82px;padding:12px 13px 13px}
.section--soft.section--tools .gcard-title{font-size:13px!important;line-height:1.55}
.section--soft.section--tools .gcard-sub{font-size:11.5px!important}
.section--soft.section--tools .gbadge{border-radius:5px}
@media(max-width:768px){
  .section--soft.section--tools .gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px}
  .section--soft.section--tools .gcard-info{min-height:75px;padding:9px 10px 11px}
  .section--soft.section--tools .gcard-title{font-size:12px!important}
  .section--soft.section--tools .gcard-sub{font-size:10.5px!important}
}


body .section--white.section--tools .res-title{font-size:13px!important;line-height:1.55!important;font-weight:650!important}
body .section--white.section--tools .res-author{font-size:11.5px!important;line-height:1.45!important}
body .section--white.section--tools .res-badge{font-size:10px!important}
body .section--white.section--tools .res-cta{font-size:11.5px!important}
@media(max-width:768px){
  body .section--white.section--tools .res-title{font-size:12px!important}
  body .section--white.section--tools .res-author{font-size:10.5px!important}
}


.paths{grid-template-columns:repeat(3,minmax(0,1fr))}









.gallery .gcard .gcard-media,.section--library .library-book .book-cover{overflow:hidden;transition:transform .28s ease,box-shadow .28s ease}
.gallery .gcard .gcard-media img,.section--library .library-book .book-cover img{transition:transform .4s ease}
.gallery .gcard:hover .gcard-media,.section--library .library-book:hover .book-cover{transform:translateY(-4px) !important;box-shadow:0 16px 32px rgba(15,42,67,.12)}
.gallery .gcard:hover .gcard-media img,.section--library .library-book:hover .book-cover img{transform:scale(1.035) !important}
.paths .path:hover{transform:translateY(-6px) !important}
.paths .path:hover .path-bg{transform:scale(1.06) !important}
@media(max-width:768px){
  .paths{grid-template-columns:1fr}
  
  
}


.learn-feature{min-height:200px}
.learn-tile{min-height:112px}
.pcard-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.pcard::before{display:none!important}


/* 电子图书馆与研经资源：简约、留白、以书为主角 */
.section--library{
  background:#f7f5f0!important;
  padding-block:76px!important;
  border-block:1px solid #eee9df;
}
.section--library .section-head{align-items:flex-end;margin-bottom:10px}
.section--library .section-title,.section--tools .section-title{
  color:#172d40;font-size:30px;letter-spacing:-.04em;font-weight:700;
}
.section--library .section-desc{
  max-width:690px;margin:0 0 28px;color:#6b7479;font-size:14px;line-height:1.9;
}
.section--library .tabs{
  gap:22px;padding:0 0 12px;margin:0 0 30px;border-bottom:1px solid #dedbd3;
}
.section--library .tab{
  position:relative;padding:9px 0;color:#747b7d;background:transparent;border:0;
  font-size:14px;border-radius:0;
}
.section--library .tab:hover{color:#172d40;background:transparent}
.section--library .tab.is-active{
  color:#172d40;background:transparent;border:0;font-weight:700;
}
.section--library .tab.is-active:after{
  content:"";position:absolute;left:0;right:0;bottom:-13px;height:2px;background:#b38b55;
}
.section--library .books{
  grid-template-columns:repeat(5,minmax(0,1fr));gap:34px 30px;
}
.section--library .book{padding:0 0 8px;transition:transform .28s ease}
.section--library .book:hover{transform:translateY(-5px)}
.section--library .book-cover{
  aspect-ratio:3/4.15;background:#eeece6;border-radius:2px;
  box-shadow:0 8px 18px rgba(37,43,46,.10);overflow:hidden;
}
.section--library .book-cover img{
  object-fit:contain;transition:transform .35s ease;
}
.section--library .book:hover .book-cover img{transform:scale(1.025)}
.section--library .book-info{padding:0 2px;margin-top:15px}
.section--library .book-title{
  font-size:14px;line-height:1.65;color:#243746;font-weight:650;
  -webkit-line-clamp:2;
}
.section--library .book-author{margin-top:5px;color:#8a8c89;font-size:12px}
.section--library .load-more{margin-top:32px}
.section--library .load-more button{
  min-width:0;padding:10px 19px;background:transparent;border:1px solid #cfc9bd;
  color:#46545d;border-radius:2px;
}
.section--library .load-more button:hover:not(:disabled){background:#172d40;color:#fff;border-color:#172d40}
.section--tools{
  background:#fff!important;padding-block:76px!important;
}
.section--tools .section-head{align-items:flex-end;margin-bottom:22px}
.section--tools .section-head .btn-link{
  color:#465b6b;font-size:13px;font-weight:600;
}
.section--tools .gallery{
  grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:30px 26px;
}
.section--tools .gcard{
  background:transparent;border:0;border-radius:0;box-shadow:none;overflow:visible;
  position:relative;transition:transform .25s ease;
}
.section--tools .gcard:hover{
  transform:translateY(-4px);border:0;box-shadow:none;
}
.section--tools .gcard-media{
  aspect-ratio:3/4.05;background:#f3f1eb;border-radius:2px;overflow:hidden;
}
.section--tools .gcard-media img{
  object-fit:contain!important;object-position:center;background:#f3f1eb;
  transition:transform .35s ease;
}
.section--tools .gcard:hover .gcard-media img{transform:scale(1.025)}
.section--tools .gbadge{
  top:10px;left:10px;padding:4px 8px;border-radius:1px;
  color:#fff;background:rgba(23,45,64,.88);font-size:10px;letter-spacing:.08em;
}
.section--tools .gcard-info{
  min-height:0;padding:14px 1px 0;display:block;
}
.section--tools .gcard-title{
  margin:0;color:#243746;font-size:14px!important;line-height:1.6;font-weight:650;
}
.section--tools .gcard-sub{
  margin-top:4px;color:#858b8d;font-size:12px!important;line-height:1.6;
}
.section--tools .gcard-arrow{
  right:8px;bottom:8px;width:29px;height:29px;border-radius:50%;
  background:rgba(255,255,255,.94);color:#344d5f;opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.section--tools .gcard:hover .gcard-arrow{opacity:1}
.section--tools .section-head .section-title{margin:0}
@media(max-width:1024px){
  .section--library .books{grid-template-columns:repeat(4,minmax(0,1fr))}
  .section--tools .gallery{grid-template-columns:repeat(3,minmax(0,1fr))!important}
}
@media(max-width:768px){
  .section--library,.section--tools{padding-block:48px!important}
  .section--library .section-title,.section--tools .section-title{font-size:25px!important}
  .section--library .section-desc{font-size:13px;margin-bottom:20px}
  .section--library .tabs{gap:18px;overflow-x:auto;flex-wrap:nowrap;margin-bottom:22px}
  .section--library .tab{font-size:13px}
  .section--library .books{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:27px 20px}
  .section--library .book-cover{aspect-ratio:3/4.15}
  .section--library .book-info{margin-top:10px}
  .section--library .book-title{font-size:13px}
  .section--library .book-author{font-size:11px}
  .section--tools .gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:24px 16px}
  .section--tools .gcard-media{aspect-ratio:3/4}
  .section--tools .gcard-info{padding-top:10px}
  .section--tools .gcard-title{font-size:13px!important}
  .section--tools .gcard-sub{font-size:11px!important}
  .section--tools .gcard-arrow{display:none}
}


/* 整体布局优化：强化首页节奏、模块层级与留白 */
:root{--section-y:68px;--shell:1180px}
.section{scroll-margin-top:84px}
.section-head{margin-bottom:12px;align-items:flex-end}
.section-title{font-size:clamp(25px,2.1vw,30px);letter-spacing:-.45px}
.section-desc{max-width:760px;margin-top:10px;margin-bottom:28px;color:#687987;line-height:1.85}
/* 入口模块更像三个明确的行动方向，而不是普通内容卡片 */
main > section:nth-of-type(2){padding-top:48px;padding-bottom:66px}
/* 资源介绍以纯净底色承接主视觉，避免每个模块都像独立卡片区 */
.section--soft.section--tools{background:#F7F8F8;border-block:1px solid #E9EEF0}
/* 图书馆采用微暖背景，突出封面本身；去掉卡片感 */
.section--library{background:#FBFAF7!important}
.section--library .section-desc{max-width:800px}
.section--library .tabs{border-bottom-color:#E5E0D7;margin-top:24px;margin-bottom:28px;gap:10px}
.section--library .tab{padding:9px 15px;color:#6F746F}
.section--library .tab.is-active{color:#173653;background:#F0EEE7;border-color:#DDD7C9}
.section--library .book-cover{background:#F1EEE7;box-shadow:0 5px 18px rgba(37,43,45,.07)}
.section--library .book-info{margin-top:12px}
.section--library .book-title{font-size:14px;line-height:1.65;color:#263747}
.section--library .book-author{margin-top:4px;color:#818780}
.section--learning{background:#F3F6F7!important}
.section--lens{padding-top:54px;padding-bottom:54px}
.section--lens .perspectives{margin-top:0;padding-top:0;border-top:0}
.section--reviews{background:#fff!important;border-top:1px solid #E9EEF0}
.footer{margin-top:0}
@media(max-width:1024px){:root{--section-y:56px}}
@media(max-width:768px){
 :root{--section-y:42px}
 .section-head{align-items:flex-start;gap:10px}
 .section-title{font-size:24px;line-height:1.4}
 .section-desc{font-size:14px;margin-bottom:22px}
 main > section:nth-of-type(2){padding-top:34px;padding-bottom:42px}
 .section--library .tabs{margin-top:18px;margin-bottom:22px}
 .section--library .tab{padding:8px 12px;font-size:13px}
 .section--lens{padding-top:34px;padding-bottom:34px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}


/* 精修层：统一页面节奏、内容层级、卡片细节与移动端触控体验 */
:root{
  --ref-ink:#172d40;
  --ref-muted:#657787;
  --ref-line:#e5e9eb;
  --ref-paper:#fbfaf7;
  --ref-gold:#b69a63;
  --ref-blue:#08294a;
  --ref-content:1200px;
}
html{scroll-padding-top:84px}
body{color:var(--ref-ink);background:#fff;letter-spacing:.005em}
.shell,.hero-inner,.navbar{width:min(var(--ref-content), calc(100% - 64px))}
.section{padding-block:clamp(54px,6vw,82px)}
.section--soft{background:#f5f6f5}
.section--white{background:#fff}
.section-title{font-size:clamp(25px,2.3vw,31px);line-height:1.32;letter-spacing:-.035em;font-weight:700;color:#142b3e}
.section-desc{max-width:760px;margin-top:10px;margin-bottom:30px;color:#6a7a87;font-size:14px;line-height:1.9;letter-spacing:.015em}
.section-head{align-items:flex-end;margin-bottom:0}
.section-head .btn-link{margin-bottom:4px;padding:5px 0;border-bottom:1px solid transparent}
.section-head .btn-link:hover{border-color:#b9c8d2}
/* 首屏：收紧文字宽度，保持视觉主体和文案平衡 */
.hero-inner{gap:clamp(34px,5vw,76px);padding-block:clamp(64px,7vw,94px)}
.hero h1{max-width:600px;font-size:clamp(36px,4vw,50px);line-height:1.2;letter-spacing:-.055em}
.hero p{max-width:500px;font-size:16px;line-height:1.95;color:rgba(237,244,249,.84)}
.hero-kicker{margin-bottom:18px;font-size:12px!important;font-weight:650;letter-spacing:.16em!important;color:#c8d6e1!important}
.hero-visual{box-shadow:0 24px 58px rgba(0,0,0,.24),0 0 0 1px rgba(255,255,255,.12)}
.btn{min-height:44px;transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease}
.btn:focus-visible,.btn-link:focus-visible,.tab:focus-visible,.book:focus-visible,.res:focus-visible{outline:2px solid #b69a63;outline-offset:4px}
/* 快捷入口：降低大图压迫感，统一文字对齐 */
.paths{gap:20px;margin-top:30px}
.path{aspect-ratio:1.48;box-shadow:0 5px 18px rgba(15,42,67,.075)}
.path-body{padding:24px 24px 22px}
.path-body h3{font-size:21px;letter-spacing:-.025em}
.path-body p{max-width:300px;font-size:13px;line-height:1.75}
.path-num{font-size:38px;color:rgba(255,255,255,.2)}
.path:hover{transform:translateY(-3px);box-shadow:0 13px 30px rgba(15,42,67,.14)}
/* 研经资源：弱化卡片感，强化统一封面和文本阅读 */
.section--tools .resources{gap:28px 22px;margin-top:28px}
.section--tools .res{background:transparent;border:0;border-radius:0;box-shadow:none;overflow:visible}
.section--tools .res-cover{border-radius:2px;background:#f0f1ef;box-shadow:0 3px 10px rgba(17,38,55,.07);transition:box-shadow .25s ease,transform .25s ease}
.section--tools .res:hover{transform:translateY(-3px);border-color:transparent;box-shadow:none}
.section--tools .res:hover .res-cover{box-shadow:0 10px 24px rgba(17,38,55,.13)}
.section--tools .res-body{padding:12px 1px 0}
.section--tools .res-title{font-size:13px!important;line-height:1.6!important;font-weight:650!important;color:#263b4b}
.section--tools .res-author{margin-top:4px;font-size:11.5px!important;line-height:1.65!important;color:#7a8994;white-space:normal;overflow:visible;text-overflow:clip}
.section--tools .res-badge{top:9px;left:9px;padding:4px 8px;background:rgba(8,41,74,.88);font-size:10px;letter-spacing:.04em}
/* 图书馆：让封面成为主角，标题和作者有更舒适的呼吸 */
.section--library{background:var(--ref-paper)}
.section--library .section-desc{max-width:790px}
.section--library .tabs{gap:7px;margin-top:22px;margin-bottom:28px;padding-bottom:12px;border-bottom:1px solid #e8e4dc}
.section--library .tab{padding:9px 15px;border:0;border-radius:2px;font-size:13px;color:#697985;transition:color .2s ease,background .2s ease}
.section--library .tab:hover{background:#f0eee8;color:#21394b}
.section--library .tab.is-active{position:relative;background:transparent;color:#102f4b;font-weight:700;border-color:transparent}
.section--library .tab.is-active::after{content:"";position:absolute;left:15px;right:15px;bottom:-13px;height:2px;background:var(--ref-gold)}
.section--library .books{gap:32px 24px}
.section--library .book{padding:0 2px;transition:transform .25s ease}
.section--library .book:hover{transform:translateY(-4px)}
.section--library .book-cover{aspect-ratio:3/4.12;border-radius:2px;background:#eeece7;box-shadow:0 4px 12px rgba(29,39,45,.075);overflow:hidden}
.section--library .book-cover img{transition:transform .35s ease,filter .35s ease}
.section--library .book:hover .book-cover{box-shadow:0 11px 23px rgba(29,39,45,.14)}
.section--library .book:hover .book-cover img{transform:scale(1.025)}
.section--library .book-info{margin-top:13px;padding:0 1px}
.section--library .book-title{font-size:13px;line-height:1.65;color:#263a49;font-weight:650}
.section--library .book-author{margin-top:5px;font-size:11.5px;line-height:1.55;color:#84909a}
.section--library .load-more{margin-top:34px}
.section--library .load-more button{min-height:42px;padding:10px 24px;border-color:#d9d8d2;background:transparent;color:#435665;border-radius:2px}
.section--library .load-more button:hover:not(:disabled){background:#fff;border-color:#b9a276;color:#17344e}
/* 学习中心：减轻叠字阴影，卡片更像编辑精选 */
.section--learning-center{background:#f1f4f4;border-top:1px solid #e9eded;border-bottom:1px solid #e9eded}
.learn-layout{gap:22px;margin-top:30px}
.learn-feature,.learn-tile{border-radius:3px;box-shadow:0 4px 15px rgba(16,39,57,.055)}
.learn-feature-title{font-size:22px;letter-spacing:-.025em}
.learn-feature-quote{font-size:13px;line-height:1.75}
.learn-tiles{gap:18px}
.learn-tile-body{padding:34px 17px 15px}
.learn-tile-title{font-size:14px}
.learn-tile-desc{font-size:11.5px}
/* 教程区：强调操作步骤，弱化厚重边框 */
.howto-head{margin-bottom:30px}
.howto-head p{margin-top:8px;color:#6d7d89;font-size:14px}
.howto-body{gap:38px}
.steps{flex-basis:30%;gap:5px}
.step{padding:13px 12px;border-radius:3px}
.step.is-active{background:#edf2f5;color:#022145}.step.is-active .step-title,.step.is-active .step-desc{color:#022145!important}.step.is-active .step-num{background:#022145;color:#fff}
.step-title{font-size:14px}
.step-desc{font-size:12px;line-height:1.7}
.preview{border-radius:3px;box-shadow:0 8px 25px rgba(15,42,67,.065)}
.preview-bar{background:#fafbfb}
.preview-body{min-height:390px;background:#f3f6f7}
.howto-cta{margin-top:22px}
/* 经文方法区：保留两张理念卡片，但减少文字周围的装饰感 */
.section--lens .perspectives{gap:18px;margin-top:0;padding-top:0;border-top:0}
.section--lens .pcard{min-height:210px;padding:28px 30px;border-radius:3px;box-shadow:none}
.section--lens .pcard h3{font-size:20px}
.section--lens .pcard p{font-size:13px;line-height:1.9}
.section--lens .pcard-chip{font-size:10.5px;letter-spacing:.04em}
.section--lens .gallery-note{max-width:760px;margin:20px auto 0;font-size:12px;line-height:1.85}
/* 用户反馈：留白与正文更舒展 */
.section--reviews .quotes{gap:20px;margin-top:26px}
.section--reviews .quote{padding:25px 26px;border-radius:3px;box-shadow:none}
.section--reviews .quote p{font-size:14px;line-height:1.95;font-style:normal;letter-spacing:0}
.section--reviews .quote-user{padding-top:13px}
.section--reviews .avatar{width:38px;height:38px;font-size:14px;border-radius:2px}
/* 页脚：减小视觉重量，让信息更易扫读 */
.footer{padding:54px 0 24px}
.footer-grid{gap:30px 26px}
.footer h3 .footer-toggle{letter-spacing:.02em}
.footer a{line-height:1.7}
/* 细节：减少装饰性圆角与过强动效，支持减少动态偏好 */
img{height:auto}
@media(max-width:1024px){
  .shell,.hero-inner,.navbar{width:min(100% - 44px,var(--ref-content))}
  .section--tools .resources{grid-template-columns:repeat(4,minmax(0,1fr));gap:25px 18px}
  .section--library .books{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 20px}
  .learn-layout{gap:14px}
  .learn-tiles{gap:12px}
}
@media(max-width:768px){
  .shell,.hero-inner,.navbar{width:calc(100% - 36px)}
  .section{padding-block:46px}
  .section-title{font-size:25px}
  .section-desc{margin-bottom:23px;font-size:13px;line-height:1.85}
  .hero-inner{padding-block:48px;gap:28px}
  .hero h1{font-size:34px;line-height:1.25}
  .hero p{font-size:14px;line-height:1.9;margin-bottom:23px}
  .hero-kicker{font-size:10.5px!important;letter-spacing:.12em!important}
  .paths{grid-template-columns:1fr;gap:13px;margin-top:22px}
  .path{aspect-ratio:2.25}
  .path-body{padding:18px 18px 16px}
  .path-body h3{font-size:19px}
  .path-body p{margin-bottom:9px;font-size:12px}
  .path-num{top:12px;right:15px;font-size:30px}
  .section--tools .resources{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}
  .section--library .section-head{align-items:flex-start}
  .section--library .tabs{gap:2px;margin-top:18px;margin-bottom:23px;overflow-x:auto;scroll-snap-type:x proximity}
  .section--library .tab{padding:9px 12px;scroll-snap-align:start}
  .section--library .tab.is-active::after{left:12px;right:12px}
  .section--library .books{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 18px}
  .section--library .book{max-width:240px;width:100%;justify-self:center}
  .section--library .book-title{font-size:12.5px}
  .learn-layout{grid-template-columns:1fr;gap:12px}
  .learn-feature{aspect-ratio:16/9}
  .learn-tiles{gap:10px}
  .learn-tile-body{padding:27px 11px 11px}
  .learn-tile-title{font-size:12.5px}
  .learn-tile-desc{font-size:10.5px}
  .howto-body{gap:20px}
  .preview-body{min-height:0;padding:10px}
  .section--lens .perspectives{grid-template-columns:1fr;gap:12px}
  .section--lens .pcard{min-height:180px;padding:24px}
  .section--reviews .quotes{grid-template-columns:1fr;gap:13px}
  .section--reviews .quote{padding:22px}
  .footer{padding-top:42px}
}
@media(max-width:420px){
  .shell,.hero-inner,.navbar{width:calc(100% - 30px)}
  .section{padding-block:40px}
  .hero h1{font-size:30px}
  .path{aspect-ratio:1.95}
  .section--tools .resources{gap:22px 13px}
  .section--library .books{gap:24px 14px}
  .section--library .book-info{margin-top:10px}
  .section--library .book-author{font-size:10.5px}
  .section-head{gap:10px}
  .section-head .btn-link{font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}


body .home-hero h1,
body .hero h1{font-size:clamp(36px,4vw,50px)!important;line-height:1.2!important}
body .home-hero .hero-inner > div:first-child > p,
body .home-hero p,
body .hero p{font-size:16px!important;line-height:1.95!important}
body .section-title{font-size:clamp(25px,2.3vw,31px)!important;line-height:1.32!important}
body .howto-title{font-size:clamp(25px,2.3vw,31px)!important;line-height:1.32!important}
body .section-desc{font-size:14px!important;line-height:1.9!important}
body .path-body h3{font-size:21px!important;line-height:1.35!important}
body .path-body p{font-size:13px!important;line-height:1.75!important}
body .path-cta{font-size:13px!important;line-height:1.5!important}
body .path-num{font-size:38px!important;line-height:1!important}
body h3.learn-feature-title{font-size:22px!important;line-height:1.35!important}
body .learn-feature-quote{font-size:13px!important;line-height:1.75!important}
body .learn-tile-title{font-size:14px!important;line-height:1.45!important}
body .learn-tile-desc{font-size:11.5px!important;line-height:1.5!important}
body .howto-head p{font-size:14px!important;line-height:1.7!important}
body .step-title{font-size:14px!important;line-height:1.45!important}
body .step-desc{font-size:12px!important;line-height:1.7!important}
body .section--lens .pcard h3{font-size:20px!important;line-height:1.4!important}
body .section--lens .pcard p{font-size:13px!important;line-height:1.9!important}
body .section--reviews .quote p{font-size:14px!important;line-height:1.95!important}
body .section--reviews .avatar{font-size:14px!important}
body .section--reviews .quote-name{font-size:14px!important}
body .section--soft.section--tools .gcard-title,
body .section--tools .gcard-title{font-size:14px!important;line-height:1.6!important}
body .section--soft.section--tools .gcard-sub,
body .section--tools .gcard-sub{font-size:12px!important;line-height:1.6!important}
body .section--library .book-title{font-size:14px!important;line-height:1.65!important}
body .section--library .book-author{font-size:12px!important;line-height:1.5!important}
body .section--library .tab,
body .tab{font-size:14px!important;line-height:1.4!important}
body .section--library .section-title,
body .section--tools .section-title{font-size:30px!important;line-height:1.32!important}
body .btn-on-dark,
body .hero .btn{font-size:15px!important;line-height:1.4!important}
@media(max-width:768px){
  body .home-hero h1,body .hero h1{font-size:34px!important;line-height:1.25!important}
  body .home-hero .hero-inner > div:first-child > p,body .home-hero p,body .hero p{font-size:14px!important;line-height:1.9!important}
  body .section-title,body .howto-title,body .section--library .section-title,body .section--tools .section-title{font-size:25px!important;line-height:1.4!important}
  body .section-desc{font-size:13px!important;line-height:1.85!important}
  body .path-body h3{font-size:19px!important}
  body .path-body p{font-size:12px!important}
  body .path-num{font-size:30px!important}
  body .section--soft.section--tools .gcard-title,body .section--tools .gcard-title{font-size:13px!important}
  body .section--soft.section--tools .gcard-sub,body .section--tools .gcard-sub{font-size:11px!important}
  body .section--library .book-title{font-size:12.5px!important}
  body .learn-tile-title{font-size:12.5px!important}
  body .learn-tile-desc{font-size:10.5px!important}
  body .section--reviews .quote p{font-size:14px!important;line-height:1.85!important}
}
@media(max-width:480px){
  body .home-hero h1,body .hero h1{font-size:30px!important}
  body .section-title,body .howto-title,body .section--library .section-title,body .section--tools .section-title{font-size:24px!important;line-height:1.4!important}
}


.section--library .library-head-wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:12px}
.section--library .library-title{margin:0;color:#142b3e;font-size:clamp(28px,2.5vw,34px)!important;font-weight:700;line-height:1.25!important;letter-spacing:-.03em}
.section--library .library-all-link,.section--learning .library-all-link{color:#022145;font-size:15px;font-weight:600;padding-bottom:4px;border-bottom:1.5px solid transparent}
.section--library .library-all-link:hover,.section--learning .library-all-link:hover{color:#163A66;border-bottom-color:#163A66}
.section--library .library-desc{max-width:760px;margin:0 0 40px;color:#54687a;font-size:15.5px!important;line-height:1.85!important}
.section--library .library-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:36px 28px}
.section--library .library-book{display:flex;flex-direction:column;min-width:0;color:inherit;text-decoration:none}
.section--library .library-book:hover{transform:translateY(-6px)}
.section--library .book-cover{position:relative;width:100%;aspect-ratio:3/4.15;overflow:hidden;border-radius:4px;background:#f6f8fa;box-shadow:0 6px 20px rgba(15,42,67,.08)}
.section--library .book-cover img{width:100%;height:100%;object-fit:cover}
.section--library .library-book-info{padding:16px 2px 0}
.section--library .library-book-title{margin:0;color:#1d2e3d;font-size:16px!important;font-weight:700;line-height:1.5!important}
.section--library .library-book-author{margin:6px 0 0;color:#73889a;font-size:13.5px!important;line-height:1.4!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.section--library .library-book--extra{display:none}
@media(max-width:768px){
  .section--library .library-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:24px 16px}
  .section--library .library-book--extra{display:flex}
  .section--library .library-title{font-size:25px!important}
  .section--library .library-book-title{font-size:15px!important}
  .section--library .library-book-author{font-size:12.5px!important}
}


@media (max-width: 860px) {
  .howto-body { display: flex; flex-direction: column; gap: 14px; }
  .howto-body .preview { order: -1; width: 100%; }
  .howto-body .preview-body { min-height: 0; padding: 10px; }
  .howto-body .preview-body img { max-height: 240px; }
  .howto-body .steps {
    width: 100%;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }
  .howto-body .steps .step,
  .howto-body .steps .step--link {
    flex: 1 1 calc(50% - 8px);
    width: auto !important;
    max-width: calc(50% - 4px) !important;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
  }
  .howto-body .steps .step-desc { display: none !important; }
}


@media (max-width: 768px) {
  .section--learning-center .learn-feature {
    aspect-ratio: auto !important;
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
    min-height: 0 !important;
    color: #1A2E42 !important;
    background: #fff !important;
  }
  .section--learning-center .learn-feature-media {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    aspect-ratio: 16 / 9 !important;
    height: auto !important;
    flex: none !important;
  }
  .section--learning-center .learn-feature-media img {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }
  .section--learning-center .learn-feature-media::after {
    display: none !important;
  }
  .section--learning-center .learn-feature-overlay {
    position: relative !important;
    inset: auto !important;
    padding: 14px 14px 16px !important;
    background: #fff !important;
  }
  .section--learning-center .learn-feature-title,
  body h3.section--learning-center .learn-feature-title,
  body h3.learn-feature-title {
    color: #022145 !important;
    text-shadow: none !important;
    font-size: 17px !important;
    line-height: 1.4 !important;
    max-width: 100% !important;
  }
  .section--learning-center .learn-feature-quote,
  body .learn-feature-quote {
    color: #24384A !important;
    text-shadow: none !important;
    font-size: 13px !important;
    line-height: 1.65 !important;
    max-width: 100% !important;
    display: block !important;
  }
}