/* ==========================================================================
   CASEME —— 首页专属样式
   ========================================================================== */

/* ---------------------------------------------------------------- 首屏 */
.hm-hero{ padding-block:clamp(36px,6vw,72px) clamp(48px,7vw,96px); position:relative; overflow:hidden; }
.hm-hero::after{                       /* 右侧一团很淡的雾粉色光晕 */
  content:""; position:absolute; right:-14vw; top:-8vw; width:52vw; height:52vw; border-radius:50%;
  background:radial-gradient(circle,var(--rose-soft) 0%,rgba(242,217,212,0) 68%); opacity:.85; z-index:0;
}
.hm-hero__grid{ display:grid; grid-template-columns:1.02fr .98fr; gap:clamp(24px,4vw,56px); align-items:center; }
.hm-hero__title{ margin:18px 0 0; max-width:13ch; }
.hm-hero__sub{ margin-top:22px; max-width:36ch; }
.hm-hero__actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:32px; }

/* 刚做好的：三个小壳子 + 一行小字 */
.hm-recent{ display:flex; align-items:center; gap:14px; margin-top:40px; }
.hm-recent__stack{ display:flex; }
.hm-recent__stack .mini{
  width:44px; height:76px; border-radius:8px; overflow:hidden; background:var(--paper-2);
  border:2px solid var(--paper); margin-left:-12px; box-shadow:var(--shadow-xs);
}
.hm-recent__stack .mini:first-child{ margin-left:0; }
.hm-recent__stack svg{ width:100%; height:auto; }
.hm-recent__text{ font-size:.84rem; color:var(--ink-2); line-height:1.5; }
.hm-recent__text b{ font-family:var(--font-display); font-size:1.05rem; }

/* 首屏右侧：三只壳子扇形陈列，中间那只在换图案 */
.hm-fan{ position:relative; display:flex; align-items:center; justify-content:center; min-height:min(66vh,620px); }
.hm-fan__item{ position:absolute; width:46%; transition:transform .6s var(--ease), opacity .6s var(--ease); }
.hm-fan__item svg{ width:100%; height:auto; display:block; }
.hm-fan__item--left{ transform:translateX(-46%) rotate(-9deg) scale(.86); opacity:.94; z-index:1; }
.hm-fan__item--right{ transform:translateX(46%) rotate(8deg) scale(.86); opacity:.94; z-index:1; }
.hm-fan__item--main{ width:56%; z-index:3; animation:floaty 7s ease-in-out infinite; }
.hm-fan__item--main .stack > div{ transition:opacity .9s var(--ease); }
.hm-fan__label{
  position:absolute; left:50%; transform:translateX(-50%) rotate(-2deg); bottom:-6px;
  white-space:nowrap; font-size:.72rem; letter-spacing:.08em; color:var(--ink-2);
  background:var(--white); padding:5px 14px; border-radius:var(--r-pill); box-shadow:var(--shadow-sm);
}
.hm-fan__tape{ position:absolute; z-index:4; }
@media (max-width:900px){
  .hm-hero__grid{ grid-template-columns:1fr; }
  .hm-fan{ min-height:clamp(320px,58vw,460px); margin-top:8px; }
  .hm-hero__title{ max-width:16ch; }
}

/* ------------------------------------------------------- 品牌标语横条 */
.hm-strip{ background:var(--ink); color:var(--paper); padding-block:16px; }
.hm-strip__inner{ display:flex; align-items:center; justify-content:center; gap:26px; flex-wrap:wrap; }
.hm-strip span{ font-size:.78rem; letter-spacing:.1em; color:rgba(251,247,241,.82); white-space:nowrap; }
.hm-strip i{ color:var(--rose); font-style:normal; }

/* ---------------------------------------------------------- 品牌介绍 */
.hm-brand{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(28px,5vw,72px); align-items:center; }
.hm-brand__quote{ font-family:var(--font-display); font-size:clamp(1.6rem,3.1vw,2.35rem); line-height:1.4; }
.hm-brand__collage{ position:relative; display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.hm-brand__collage .sticker:nth-child(1){ --tilt:-3deg; }
.hm-brand__collage .sticker:nth-child(2){ --tilt:2.4deg; margin-top:34px; }
.hm-brand__collage .sticker:nth-child(3){ --tilt:1.2deg; margin-top:-18px; grid-column:2; }
@media (max-width:900px){ .hm-brand{ grid-template-columns:1fr; } .hm-brand__collage{ margin-top:8px; } }

/* -------------------------------------------------------- 热门案例区 */
.hm-cases{ display:grid; grid-template-columns:repeat(12,1fr); gap:22px; }
.hm-case{ position:relative; }
.hm-case:nth-child(1){ grid-column:span 4; }
.hm-case:nth-child(2){ grid-column:span 3; margin-top:38px; }
.hm-case:nth-child(3){ grid-column:span 5; }
.hm-case:nth-child(4){ grid-column:span 3; margin-top:-22px; }
.hm-case:nth-child(5){ grid-column:span 5; margin-top:16px; }
.hm-case:nth-child(6){ grid-column:span 4; margin-top:-14px; }
.hm-case__frame{
  background:var(--white); border-radius:var(--r-md); padding:16px 16px 12px;
  box-shadow:var(--shadow-sm); transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.hm-case:hover .hm-case__frame{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.hm-case__art{ display:grid; place-items:center; }
.hm-case__art svg{ width:auto; height:100%; max-height:260px; }
.hm-case:nth-child(1) .hm-case__art,.hm-case:nth-child(3) .hm-case__art{ height:240px; }
.hm-case:nth-child(2) .hm-case__art,.hm-case:nth-child(4) .hm-case__art{ height:180px; }
.hm-case:nth-child(5) .hm-case__art,.hm-case:nth-child(6) .hm-case__art{ height:210px; }
.hm-case__meta{ display:flex; align-items:baseline; justify-content:space-between; gap:10px; margin-top:12px; }
.hm-case__name{ font-family:var(--font-display); font-size:1.02rem; }
.hm-case__like{ display:inline-flex; align-items:center; gap:5px; font-size:.78rem; color:var(--ink-3); }
.hm-case__like svg{ width:15px; height:15px; }
@media (max-width:900px){
  .hm-cases{ grid-template-columns:repeat(2,1fr); }
  .hm-case{ grid-column:span 1 !important; margin-top:0 !important; }
  .hm-case__art{ height:190px !important; }
}
@media (max-width:560px){ .hm-cases{ grid-template-columns:1fr; } }

/* --------------------------------------------------------- 三步流程 */
.hm-steps{ position:relative; display:grid; grid-template-columns:repeat(3,1fr); gap:var(--sp-6); }
.hm-steps::before{                       /* 手绘虚线把三步连起来 */
  content:""; position:absolute; left:8%; right:8%; top:56px; border-top:2px dashed var(--line);
}
.hm-step{ position:relative; }
.hm-step__num{
  font-family:var(--font-display); font-size:3.4rem; line-height:1; color:var(--rose);
  background:var(--paper); position:relative; z-index:1; padding-right:18px;
}
.hm-step h3{ margin:14px 0 8px; font-size:1.22rem; }
.hm-step p{ color:var(--ink-2); font-size:.94rem; max-width:30ch; }
@media (max-width:860px){
  .hm-steps{ grid-template-columns:1fr; gap:var(--sp-5); }
  .hm-steps::before{ display:none; }
  .hm-step{ padding-left:64px; }
  .hm-step__num{ position:absolute; left:0; top:-6px; font-size:2.6rem; padding:0; }
}

/* ------------------------------------------------------------ AI 区 */
.hm-ai{ position:relative; overflow:hidden; }
.hm-ai__inner{ display:grid; grid-template-columns:.92fr 1.08fr; gap:clamp(28px,4vw,64px); align-items:start; }
.hm-ai__title{ color:var(--paper); }
.hm-ai__lead{ color:rgba(251,247,241,.78); margin-top:18px; max-width:34ch; }
.hm-ai__points{ margin-top:30px; display:flex; flex-direction:column; gap:14px; }
.hm-ai__points li{ display:flex; gap:12px; align-items:flex-start; font-size:.92rem; color:rgba(251,247,241,.8); }
.hm-ai__points svg{ width:17px; height:17px; flex:none; margin-top:5px; color:var(--rose); }
@media (max-width:960px){ .hm-ai__inner{ grid-template-columns:1fr; } }

/* 首页上的小试用：输入一句 → 生成四张 */
.hm-demo{ background:var(--paper); border-radius:var(--r-lg); padding:clamp(18px,2.6vw,28px); box-shadow:var(--shadow-lg); }
.hm-demo__label{ font-size:.8rem; color:var(--ink-2); margin-bottom:10px; }
.hm-demo__row{ display:flex; gap:10px; }
.hm-demo__row .input{ flex:1; }
.hm-demo__tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
.hm-demo__tags .chip{ height:30px; font-size:.76rem; padding:0 12px; }
.hm-demo__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:20px; }
.hm-demo__hint{ font-size:.78rem; color:var(--ink-3); margin-top:12px; }
.hm-cand{ position:relative; border-radius:var(--r-md); overflow:hidden; background:var(--paper-2); border:1px solid var(--line-soft); }
.hm-cand svg{ width:100%; height:auto; display:block; }
.hm-cand__name{ font-size:.72rem; padding:8px 10px; color:var(--ink-2); background:var(--white); border-top:1px solid var(--line-soft); }
.hm-cand--empty{ aspect-ratio:5/8; display:grid; place-items:center; color:var(--ink-3); font-size:.74rem; }
@media (max-width:620px){ .hm-demo__grid{ grid-template-columns:repeat(2,1fr); } .hm-demo__row{ flex-direction:column; } }

/* ---------------------------------------------------------- 图案库区 */
.hm-lib__cats{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:var(--sp-5); }
.hm-rail{ display:grid; grid-auto-flow:column; grid-auto-columns:150px; gap:16px; overflow-x:auto; padding-bottom:14px;
  scroll-snap-type:x mandatory; scrollbar-width:thin; }
.hm-rail::-webkit-scrollbar{ height:6px; }
.hm-rail::-webkit-scrollbar-thumb{ background:var(--line); border-radius:3px; }
.hm-pat{ scroll-snap-align:start; }
.hm-pat__art{ border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-sm); aspect-ratio:5/7; background:var(--paper-2); }
.hm-pat__art svg{ width:100%; height:100%; }
.hm-pat__name{ font-size:.8rem; margin-top:8px; color:var(--ink-2); }
.hm-pat:hover .hm-pat__art{ box-shadow:var(--shadow-md); transform:translateY(-4px); transition:all var(--dur) var(--ease); }

/* ---------------------------------------------------------- 作品墙 */
.hm-wall{ display:grid; grid-template-columns:repeat(auto-fill,minmax(112px,1fr)); gap:14px; }
.hm-wall__item{ text-align:center; }
.hm-wall__art{ aspect-ratio:1; border-radius:var(--r-sm); overflow:hidden; box-shadow:var(--shadow-xs); background:var(--paper-2); transition:transform var(--dur) var(--ease); }
.hm-wall__art svg{ width:100%; height:100%; }
.hm-wall__item:hover .hm-wall__art{ transform:translateY(-4px) rotate(-1.5deg); }
.hm-wall__item span{ display:block; font-size:.7rem; color:var(--ink-3); margin-top:7px; }

/* ---------------------------------------------------------- 用户评价 */
.hm-reviews{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; align-items:start; }
.hm-review{ background:var(--white); border-radius:var(--r-lg); padding:26px; box-shadow:var(--shadow-sm); position:relative; }
.hm-review:nth-child(2){ margin-top:34px; }
.hm-review:nth-child(5){ margin-top:34px; }
.hm-review:nth-child(4){ margin-top:-18px; }
.hm-review::before{
  content:"“"; position:absolute; top:6px; left:18px; font-family:var(--font-display);
  font-size:3.4rem; color:var(--rose-soft); line-height:1;
}
.hm-review blockquote{ margin:16px 0 18px; font-size:.96rem; line-height:1.85; color:var(--ink); }
.hm-review__who{ display:flex; align-items:center; gap:12px; }
.hm-review__art{ width:34px; height:56px; border-radius:5px; overflow:hidden; background:var(--paper-2); flex:none; }
.hm-review__art svg{ width:100%; height:auto; }
.hm-review__who b{ font-weight:600; font-size:.9rem; }
.hm-review__stars{ color:var(--rose); font-size:.78rem; letter-spacing:.14em; }
@media (max-width:900px){ .hm-reviews{ grid-template-columns:1fr; } .hm-review{ margin-top:0 !important; } }

/* ------------------------------------------------------------- FAQ */
.hm-faq{ max-width:820px; margin-inline:auto; }
.hm-faq details{ border-bottom:1px solid var(--line); }
.hm-faq summary{
  list-style:none; cursor:pointer; padding:22px 44px 22px 0; position:relative;
  font-family:var(--font-display); font-size:1.08rem;
}
.hm-faq summary::-webkit-details-marker{ display:none; }
.hm-faq summary::after{
  content:""; position:absolute; right:8px; top:50%; width:13px; height:13px; margin-top:-7px;
  border-right:2px solid var(--ink-2); border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg); transition:transform var(--dur) var(--ease);
}
.hm-faq details[open] summary::after{ transform:rotate(-135deg); }
.hm-faq summary:hover{ color:var(--cocoa); }
.hm-faq p{ padding:0 44px 24px 0; color:var(--ink-2); font-size:.94rem; margin-top:-4px; }

/* ------------------------------------------------------------- CTA */
.hm-cta{ text-align:center; }
.hm-cta__title{ max-width:20ch; margin-inline:auto; }
.hm-cta__art{ display:flex; justify-content:center; gap:18px; margin-bottom:32px; }
.hm-cta__art .mini{ width:82px; }
.hm-cta__art .mini svg{ width:100%; height:auto; }
.hm-cta__art .mini:nth-child(1){ transform:rotate(-6deg); }
.hm-cta__art .mini:nth-child(3){ transform:rotate(5deg); }