/* ============================================================
   yikeyichi.com · index.html 专属样式
   布局原型：全屏斜切对角 Hero + 错位卡片网格
   ============================================================ */

/* ---------- Hero：对角分割全屏 Banner ---------- */
.hero{
  position:relative; min-height:100vh; min-height:100svh;
  display:flex; align-items:center;
  padding:calc(var(--header-h) + 40px) 0 90px;
  overflow:hidden; background:var(--green-950);
}
.hero__media{ position:absolute; inset:0; }
.hero__media img{ width:100%; height:100%; object-fit:cover; opacity:.62; }
.hero__veil{
  position:absolute; inset:0;
  background:linear-gradient(100deg,rgba(27,42,33,.96) 8%,rgba(34,57,46,.78) 46%,rgba(34,57,46,.30) 100%);
}
.hero__slash{
  position:absolute; top:-12%; right:-6%; width:46%; height:130%;
  background:var(--green-800); opacity:.55;
  transform:skewX(-14deg); border-left:1px solid rgba(176,141,102,.5);
}
.hero__slash::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(115deg,transparent 0 34px,rgba(251,248,241,.05) 34px 35px);
}
.hero__content{ position:relative; z-index:2; }
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:12px;
  font-size:13px; letter-spacing:.34em; color:var(--brown-500); margin-bottom:20px;
}
.hero__eyebrow::before{ content:""; width:40px; height:1px; background:var(--brown-500); }
.hero__title{
  color:var(--cream-50); font-size:clamp(36px,6vw,74px); letter-spacing:.06em;
  line-height:1.22; margin-bottom:22px;
  animation:titleUp 1s var(--ease) both;
}
.hero__title em{ font-style:normal; color:var(--brown-500); }
@keyframes titleUp{ from{ opacity:0; transform:translateY(34px); } to{ opacity:1; transform:none; } }
.hero__lead{
  color:rgba(251,248,241,.82); font-size:clamp(15px,1.6vw,18px);
  line-height:2; margin-bottom:34px; letter-spacing:.05em;
  animation:titleUp 1s .15s var(--ease) both;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:16px; animation:titleUp 1s .3s var(--ease) both; }
.hero__meta{
  display:flex; flex-wrap:wrap; gap:12px 26px; margin-top:40px;
  animation:titleUp 1s .45s var(--ease) both;
}
.hero__meta li{
  font-size:13px; color:rgba(251,248,241,.66); letter-spacing:.14em;
  display:flex; align-items:center; gap:8px;
}
.hero__meta li::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--brown-500); }
.hero__side{
  position:absolute; right:4%; bottom:8%; z-index:2; text-align:right;
  transform:rotate(-90deg) translateY(60px); transform-origin:right bottom;
  color:rgba(251,248,241,.28); pointer-events:none;
}
.hero__side span{ font-size:12px; letter-spacing:.6em; display:block; }
.hero__side em{ font-style:normal; font-family:var(--font-serif); font-size:15px; letter-spacing:.3em; color:var(--brown-500); }
.hero__scroll{
  position:absolute; left:50%; bottom:26px; transform:translateX(-50%); z-index:2;
  color:var(--cream-50); opacity:.75; animation:bob 2.4s ease-in-out infinite;
}
.hero__scroll svg{ width:30px; height:30px; }
@keyframes bob{ 0%,100%{ transform:translate(-50%,0); } 50%{ transform:translate(-50%,10px); } }

/* ---------- 核心优势 ---------- */
.advantage__grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:26px;
}
.adv-card{
  position:relative; background:var(--cream-100);
  border:1px solid var(--line); border-radius:var(--radius-l);
  padding:34px 30px 30px; overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.adv-card::before{
  content:""; position:absolute; left:0; top:0; width:100%; height:4px;
  background:linear-gradient(90deg,var(--green-800),var(--brown-500)); opacity:.5;
}
.adv-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-md); }
.adv-card__icon{
  display:flex; align-items:center; justify-content:center;
  width:62px; height:62px; border-radius:18px;
  background:rgba(44,74,58,.10); color:var(--green-700);
  margin-bottom:20px; transition:all .4s var(--ease);
}
.adv-card__icon svg{ width:30px; height:30px; }
.adv-card:hover .adv-card__icon{ background:var(--green-800); color:var(--cream-50); transform:rotate(-6deg) scale(1.06); }
.adv-card h3{ font-size:20px; margin-bottom:10px; }
.adv-card p{ font-size:14.5px; line-height:1.95; color:var(--muted); }

/* ---------- 快速入口 ---------- */
.hot__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.hot-card{
  position:relative; display:block; background:var(--cream-50);
  border:1px solid var(--line); border-radius:var(--radius-l);
  padding:34px 30px 30px; overflow:hidden;
  transition:all .4s var(--ease);
}
.hot-card::after{
  content:""; position:absolute; right:-34px; top:-34px; width:120px; height:120px;
  background:rgba(176,141,102,.10); border-radius:50%;
  transition:transform .5s var(--ease);
}
.hot-card:hover{ border-color:var(--green-700); box-shadow:var(--shadow-md); transform:translateY(-6px); }
.hot-card:hover::after{ transform:scale(1.9); }
.hot-card__num{
  font-family:var(--font-serif); font-size:30px; color:var(--line-strong);
  display:block; margin-bottom:14px; transition:color .4s var(--ease);
}
.hot-card:hover .hot-card__num{ color:var(--brown-500); }
.hot-card h3{ font-size:21px; margin-bottom:8px; }
.hot-card p{ font-size:14px; color:var(--muted); margin-bottom:18px; line-height:1.9; }
.hot-card em{ font-style:normal; font-size:13.5px; color:var(--green-700); letter-spacing:.08em; }

/* ---------- 报考流程 ---------- */
.process__track{
  position:relative; display:grid; grid-template-columns:repeat(5,1fr); gap:20px;
  padding-top:16px;
}
.process__track::before{
  content:""; position:absolute; top:44px; left:8%; right:8%; height:1.5px;
  background:linear-gradient(90deg,var(--green-800) 0%,var(--brown-500) 100%);
  opacity:.35;
}
.process__step{ position:relative; text-align:center; padding:0 8px; }
.process__dot{
  position:relative; z-index:1; display:inline-flex; align-items:center; justify-content:center;
  width:88px; height:88px; border-radius:50%;
  background:var(--cream-100); border:2px solid var(--green-700);
  font-family:var(--font-serif); font-size:20px; color:var(--green-800);
  margin-bottom:20px; transition:all .4s var(--ease);
}
.process__step:hover .process__dot{ background:var(--green-800); color:var(--cream-50); transform:scale(1.08); }
.process__step h3{ font-size:17px; margin-bottom:8px; }
.process__step p{ font-size:13.5px; color:var(--muted); line-height:1.85; }
.process__cta{ text-align:center; margin-top:44px; }

/* ---------- 双城专题 ---------- */
.twin__grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.twin-card{
  position:relative; display:block; border-radius:var(--radius-l); overflow:hidden;
  background:var(--green-900); box-shadow:var(--shadow-md);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.twin-card:hover{ transform:translateY(-8px) rotate(-.4deg); box-shadow:var(--shadow-lg); }
.twin-card img{ width:100%; height:300px; object-fit:cover; opacity:.9; transition:transform .6s var(--ease); }
.twin-card:hover img{ transform:scale(1.05); }
.twin-card__body{
  position:absolute; inset:auto 0 0 0; padding:26px 28px 24px;
  background:linear-gradient(180deg,transparent,rgba(27,42,33,.94));
  color:var(--cream-50);
}
.twin-card__body .tag{ margin-bottom:10px; }
.twin-card__body h3{ color:var(--cream-50); font-size:22px; margin-bottom:6px; }
.twin-card__body p{ color:rgba(251,248,241,.72); font-size:13.5px; margin-bottom:12px; }
.twin-card__body em{ font-style:normal; font-size:13.5px; color:var(--brown-500); letter-spacing:.1em; }

/* ---------- 资讯动态（首页文章列表） ---------- */
.news-zone{ overflow:hidden; }
.news-layout{
  display:grid; grid-template-columns:1.9fr 1fr; gap:34px; align-items:start;
}
.news-main{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.news-card{
  background:var(--cream-50); border:1px solid var(--line); border-radius:var(--radius-m);
  overflow:hidden; transition:all .4s var(--ease);
}
.news-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-6px); }
.news-card__media{ display:block; overflow:hidden; aspect-ratio:16/9; background:var(--cream-200); }
.news-card__media img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.news-card:hover .news-card__media img{ transform:scale(1.06); }
.news-card__body{ padding:20px 20px 22px; }
.news-card__body h3{ font-size:17px; line-height:1.5; margin-bottom:8px; }
.news-card__body h3 a:hover{ color:var(--brown-600); }
.news-card__body p{
  font-size:13.5px; color:var(--muted); line-height:1.85;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  margin-bottom:12px;
}
.news-card__body time{
  font-size:12.5px; color:var(--brown-600); letter-spacing:.08em;
  display:flex; align-items:center; gap:6px;
}
.news-card__body time::before{ content:""; width:16px; height:1.5px; background:var(--brown-500); }
.news-side{
  display:flex; flex-direction:column; gap:14px;
  background:var(--cream-100); border:1px solid var(--line); border-radius:var(--radius-m);
  padding:20px;
}
.news-mini{
  display:flex; gap:14px; align-items:center;
  background:var(--cream-50); border:1px solid var(--line); border-radius:var(--radius-s);
  padding:10px; transition:all .35s var(--ease);
}
.news-mini:hover{ border-color:var(--brown-500); transform:translateX(4px); box-shadow:var(--shadow-sm); }
.news-mini__pic{ flex:none; width:64px; height:64px; border-radius:8px; overflow:hidden; background:var(--cream-200); }
.news-mini__pic img{ width:100%; height:100%; object-fit:cover; }
.news-mini__txt{ display:flex; flex-direction:column; gap:5px; min-width:0; }
.news-mini__txt b{
  font-size:13.5px; font-weight:600; color:var(--ink); line-height:1.5;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.news-mini__txt em{ font-style:normal; font-size:12px; color:var(--brown-600); }
.news-more{ text-align:center; margin-top:38px; }

/* ---------- 证书服务横幅 ---------- */
.cert-band{ background:var(--green-900); overflow:hidden; }
.cert-band::before{
  content:""; position:absolute; left:-8%; top:-30%; width:42%; height:160%;
  background:var(--green-800); opacity:.6; transform:rotate(-18deg);
}
.cert-band__inner{
  position:relative; z-index:1; display:grid; grid-template-columns:1.2fr 1fr;
  gap:clamp(30px,5vw,64px); align-items:center;
}
.cert-band__copy h2{ color:var(--cream-50); margin:14px 0 16px; }
.cert-band__copy p{ color:rgba(251,248,241,.74); margin-bottom:26px; }
.cert-band__actions{ display:flex; flex-wrap:wrap; gap:14px; }
.cert-band__pic{ border-radius:var(--radius-l); overflow:hidden; box-shadow:var(--shadow-lg); }
.cert-band__pic img{ width:100%; height:360px; object-fit:cover; }

/* ---------- 在线预约 ---------- */
.booking__inner{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,64px);
  align-items:start;
}
.booking__info .eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:13px; letter-spacing:.32em; color:var(--brown-600); margin-bottom:14px;
}
.booking__info .eyebrow::before{ content:""; width:34px; height:1px; background:var(--brown-500); }
.booking__info h2{ margin-bottom:16px; }
.booking__info > p{ color:var(--muted); margin-bottom:22px; }
.booking__points{ margin-bottom:24px; }
.booking__points li{
  position:relative; padding-left:26px; margin-bottom:10px;
  font-size:14.5px; color:var(--ink-soft);
}
.booking__points li::before{
  content:""; position:absolute; left:0; top:8px; width:8px; height:8px;
  border:2px solid var(--brown-500); transform:rotate(45deg);
}
.booking__phone{ font-size:16px; }
.booking__phone a{ color:var(--green-700); font-weight:700; letter-spacing:.04em; }
.booking__form{
  display:grid; grid-template-columns:1fr 1fr; gap:18px;
  background:var(--cream-100); border:1px solid var(--line); border-radius:var(--radius-l);
  padding:34px 32px;
}
.booking__form .field:first-child,
.booking__form .field:nth-child(2){ grid-column:1; }
.booking__form .field:nth-child(3),
.booking__form .field:nth-child(4){ grid-column:2; }
.booking__form .field:nth-child(5),
.booking__form .btn,
.booking__tip{ grid-column:1 / -1; }
.booking__tip{ font-size:12px; color:var(--muted); text-align:center; }

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .advantage__grid{ grid-template-columns:repeat(2,1fr); }
  .hot__grid{ grid-template-columns:repeat(2,1fr); }
  .process__track{ grid-template-columns:repeat(3,1fr); row-gap:36px; }
  .process__track::before{ display:none; }
  .news-layout{ grid-template-columns:1fr; }
  .cert-band__inner{ grid-template-columns:1fr; }
  .cert-band__pic img{ height:260px; }
  .booking__inner{ grid-template-columns:1fr; }
}
@media (max-width:640px){
  .hero{ padding-top:calc(var(--header-h) + 30px); }
  .hero__actions .btn{ width:100%; }
  .advantage__grid,.hot__grid,.news-main,.booking__form{ grid-template-columns:1fr; }
  .booking__form .field{ grid-column:1 !important; }
  .process__track{ grid-template-columns:1fr 1fr; }
  .twin__grid{ grid-template-columns:1fr; }
  .twin-card img{ height:220px; }
  .news-main{ grid-template-columns:1fr; }
  .hero__side{ display:none; }
}