/* ==========================================================================
   山宿小说 · app.css  —— 全站基础样式（令牌 / 重置 / 布局 / 头尾 / 通用组件）
   ========================================================================== */
:root{
  --brand:#2f6d68;--brand-hover:#255a56;--brand-soft:#eef5f4;--brand-line:#c5ddda;
  --text-1:#1f1f1f;--text-2:#595959;--text-3:#8c8c8c;--text-4:#bfbfbf;
  --bg:#fff;--bg-2:#f7f7f8;--bg-3:#f0f0f2;--line:#e8e8e8;--line-2:#f0f0f0;
  --rank-1:#2f6d68;--rank-2:#f0883a;--rank-3:#f5b400;
  --ok:#2e9e5b;--warn:#f0883a;
  --r-sm:4px;--r:6px;--r-lg:10px;
  --shadow:0 2px 8px rgba(0,0,0,.06);--shadow-lg:0 8px 24px rgba(0,0,0,.12);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC","WenQuanYi Micro Hei",sans-serif;
  --font-serif:"Songti SC",SimSun,"Noto Serif CJK SC","Source Han Serif SC",serif;
  --font-kai:"Kaiti SC",KaiTi,STKaiti,"AR PL UKai CN",serif;
  --container:1200px;--gutter:16px;--header-h:60px;--nav-h:42px;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg-2);color:var(--text-1);font:14px/1.6 var(--font-sans);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .15s}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
table{border-collapse:collapse;width:100%}
i,em{font-style:normal}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.clamp-1,.clamp-2,.clamp-3,.clamp-4{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.clamp-1{-webkit-line-clamp:1}.clamp-2{-webkit-line-clamp:2}.clamp-3{-webkit-line-clamp:3}.clamp-4{-webkit-line-clamp:4}
.ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.muted{color:var(--text-3)}.small{font-size:12px}.brand{color:var(--brand)}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mb16{margin-bottom:16px}

/* ---------- 布局 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.page{padding-top:20px;padding-bottom:40px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
.layout--narrow{grid-template-columns:minmax(0,1fr) 260px}
.layout--user{grid-template-columns:220px minmax(0,1fr)}
.card{background:var(--bg);border-radius:var(--r-lg);padding:20px}
.card+.card,.card+.section{margin-top:20px}
.section{background:var(--bg);border-radius:var(--r-lg);padding:20px}
.section+.section{margin-top:20px}
.section__hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.section__title{font-size:18px;font-weight:600;line-height:1.3;display:flex;align-items:center;gap:8px}
.section__title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand)}
.section__more{font-size:13px;color:var(--text-3)}
.section__more:hover{color:var(--brand)}
.divider{height:1px;background:var(--line-2);margin:16px 0}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:14px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-4)}
.empty{padding:48px 16px;text-align:center;color:var(--text-3);font-size:14px}
.empty::before{content:"";display:block;width:64px;height:64px;margin:0 auto 12px;border-radius:50%;background:var(--bg-3)}

/* ---------- 顶栏（单行：logo / 导航 / 搜索 | 登录 注册） ---------- */
.site-header{background:var(--bg);border-bottom:1px solid var(--line);position:relative;z-index:50}
.site-header__main{height:var(--header-h);display:flex;align-items:center;gap:20px}
.brand-logo{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:700;color:var(--text-1);letter-spacing:.5px;white-space:nowrap;flex:none}
.brand-logo:hover{color:var(--text-1)}
.brand-logo svg{width:30px;height:30px;flex:none}
.site-nav{height:100%;margin-left:8px}
.site-nav__list{display:flex;height:100%;align-items:stretch;gap:2px}
.site-nav__list li{position:relative}
.site-nav__list a{display:flex;align-items:center;height:100%;padding:0 14px;color:var(--text-1);font-size:16px;font-weight:500;position:relative;white-space:nowrap}
.site-nav__list a:hover,.site-nav__list li.on>a{color:var(--brand)}
.site-nav__list li.on>a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:2px 2px 0 0;background:var(--brand)}
.site-nav__cats{position:absolute;left:0;top:100%;min-width:200px;background:var(--bg);border-radius:0 0 var(--r) var(--r);box-shadow:var(--shadow-lg);padding:8px 0;display:none;z-index:60;border-top:2px solid var(--brand)}
.site-nav__list li:hover .site-nav__cats{display:block}
.site-nav__cats a{color:var(--text-1);font-size:14px;font-weight:400;padding:9px 20px;height:auto}
.site-nav__cats a::after{display:none}
.site-nav__cats a:hover{background:var(--brand-soft);color:var(--brand)}
.site-nav__cats:empty{display:none!important}
.site-search{margin-left:auto;width:260px;display:flex;align-items:center;height:36px;border:1px solid var(--brand);border-radius:18px;overflow:hidden;background:var(--bg);flex:none}
.site-search input{flex:1;height:100%;border:0;outline:0;padding:0 14px;font-size:14px;background:transparent;min-width:0}
.site-search input::placeholder{color:var(--text-4)}
.site-search button{width:48px;height:100%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center}
.site-search button:hover{background:var(--brand-hover)}
.site-search svg{width:17px;height:17px}
.site-user{display:flex;align-items:center;gap:6px;font-size:14px;white-space:nowrap;flex:none}
.site-user a{padding:0 6px}
.site-user .sep{color:var(--line);padding:0 4px;font-size:16px}
.site-user .btn{padding:0 14px}
.icon-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:50%;color:var(--text-2)}
.icon-btn svg{width:22px;height:22px}
.nav-mask{display:none}
/* 精简顶栏（阅读页） */
.site-header--slim .site-nav{display:none}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:40px;padding:28px 0;border-top:1px solid var(--line);background:var(--bg);color:var(--text-3);font-size:13px;text-align:center}
.site-footer__links{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.site-footer__links .sep{color:var(--line)}
.site-footer a:hover{color:var(--brand)}
.friend-links{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;font-size:13px;color:var(--text-3);padding:12px 0}
.friend-links span{color:var(--text-2)}

/* ---------- 按钮 / 表单 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 18px;border-radius:var(--r);font-size:14px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:all .15s;white-space:nowrap;line-height:1}
.btn svg{width:16px;height:16px}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-hover);color:#fff}
.btn--outline{border-color:var(--brand);color:var(--brand);background:var(--bg)}
.btn--outline:hover{background:var(--brand-soft)}
.btn--ghost{border-color:var(--line);color:var(--text-2);background:var(--bg)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--text{color:var(--text-2);padding:0 8px}
.btn--lg{height:44px;padding:0 28px;font-size:16px}
.btn--sm{height:30px;padding:0 12px;font-size:13px}
.btn--block{display:flex;width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.input,.select,.textarea{width:100%;height:40px;border:1px solid var(--line);border-radius:var(--r);padding:0 12px;background:var(--bg);outline:0;transition:border-color .15s}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand)}
.textarea{height:auto;min-height:120px;padding:10px 12px;resize:vertical;line-height:1.6}
.select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238c8c8c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.form-tip{font-size:12px;color:var(--text-3);margin-top:6px}
.form-err{font-size:13px;color:var(--brand);min-height:20px}
.checkbox{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);cursor:pointer}
.checkbox input{width:16px;height:16px;accent-color:var(--brand);margin:0}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--r-sm);font-size:12px;background:var(--bg-3);color:var(--text-2);line-height:1}
.tag--brand{background:var(--brand-soft);color:var(--brand)}
.tag--ok{background:#e9f7ee;color:var(--ok)}
.tag--vip{background:#fff4e0;color:#c77800}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a,.tabs button{flex:none;padding:10px 16px;font-size:15px;color:var(--text-2);position:relative;white-space:nowrap}
.tabs .on{color:var(--brand);font-weight:600}
.tabs .on::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;background:var(--brand);border-radius:1px}
.chips{display:flex;flex-wrap:wrap;gap:6px 4px;align-items:center}
.chips a,.chips button{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:14px;font-size:13px;color:var(--text-2);transition:all .15s}
.chips a:hover,.chips button:hover{color:var(--brand)}
.chips .on{background:var(--brand);color:#fff}
.chips .on:hover{color:#fff}

/* ---------- 封面占位 ---------- */
.cover{position:relative;display:block;aspect-ratio:3/4;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-3);color:#fff;flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.cover img{width:100%;height:100%;object-fit:cover}
.cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6%;max-width:6px;background:rgba(0,0,0,.22)}
.cover__title{position:absolute;left:14%;right:8%;top:10%;bottom:28%;display:flex;align-items:flex-start;justify-content:center;font-weight:600;font-size:15px;line-height:1.3;letter-spacing:1px;text-shadow:0 1px 2px rgba(0,0,0,.25);overflow:hidden}
.cover__title span{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;text-align:center}
.cover--v .cover__title span{writing-mode:vertical-rl;-webkit-line-clamp:unset;display:block;max-height:100%;text-align:left;letter-spacing:3px}
.cover__author{position:absolute;left:14%;right:8%;bottom:8%;font-size:11px;opacity:.85;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:0}
.cover.has-img .cover__title,.cover.has-img .cover__author,.cover.has-img::before{display:none}
.cover--c0{background:linear-gradient(160deg,#8e2a2a,#5c1a1a)}
.cover--c1{background:linear-gradient(160deg,#2f4f7a,#1c3050)}
.cover--c2{background:linear-gradient(160deg,#2f6b4f,#1b4633)}
.cover--c3{background:linear-gradient(160deg,#9a5b2b,#66391a)}
.cover--c4{background:linear-gradient(160deg,#5b3d7a,#3b2650)}
.cover--c5{background:linear-gradient(160deg,#4f6d8e,#324a63)}
.cover--c6{background:linear-gradient(160deg,#6b7a2f,#454f1c)}
.cover--c7{background:linear-gradient(160deg,#a8432f,#6f2a1c)}
.cover--c8{background:linear-gradient(160deg,#2c6f7a,#194850)}
.cover--c9{background:linear-gradient(160deg,#7a5a3a,#4d3823)}
.cover--sm{width:64px}.cover--md{width:96px}.cover--lg{width:150px}.cover--xl{width:180px}
.cover--sm .cover__title{font-size:11px;letter-spacing:0}.cover--sm .cover__author{display:none}
.cover--md .cover__title{font-size:13px}

/* ---------- 书籍卡片 / 行 ---------- */
.book-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px 16px}
.book-card{display:block;min-width:0}
.book-card .cover{width:100%;margin-bottom:8px;transition:transform .2s,box-shadow .2s}
.book-card:hover .cover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.book-card__name{font-size:15px;font-weight:600;color:var(--text-1);line-height:1.4}
.book-card:hover .book-card__name{color:var(--brand)}
.book-card__author{font-size:12px;color:var(--text-3);margin-top:4px}
.book-card__meta{font-size:12px;color:var(--text-3);margin-top:2px;display:flex;gap:6px}
.book-card__meta>*+*::before{content:"· "}
.book-card__desc{font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.5}
.book-card__time{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.book-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line-2);min-width:0}
.book-row:last-child{border-bottom:0}
.book-row .cover{width:96px}
.book-row__body{flex:1;min-width:0;display:flex;flex-direction:column}
.book-row__name{font-size:17px;font-weight:600;line-height:1.3;display:flex;align-items:center;gap:8px;min-width:0}
.book-row__name a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.book-row__meta{font-size:13px;color:var(--text-3);margin-top:6px;display:flex;flex-wrap:wrap;gap:4px 14px}
.book-row__meta a:hover{color:var(--brand)}
.book-row__desc{font-size:13px;color:var(--text-2);margin-top:8px;line-height:1.6}
.book-row__latest{font-size:13px;color:var(--text-3);margin-top:auto;padding-top:8px;display:flex;gap:8px;min-width:0}
.book-row__latest a{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.book-row__latest time{flex:none}
.book-row__actions{display:flex;gap:8px;flex:none;align-items:flex-start}
.rank-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:var(--r-sm);font-size:12px;font-weight:600;background:var(--bg-3);color:var(--text-3);flex:none;line-height:1}
.rank-badge--1{background:var(--rank-1);color:#fff}
.rank-badge--2{background:var(--rank-2);color:#fff}
.rank-badge--3{background:var(--rank-3);color:#fff}
.rank-list li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:1px solid var(--line-2)}
.rank-list li:last-child{border-bottom:0}
.rank-list .rank-badge{margin-top:2px}
.rank-list__name{flex:1;min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-list__hot{display:flex;gap:12px;flex:1;min-width:0}
.rank-list__hot .cover{width:56px}
.rank-list__hot-body{min-width:0}
.rank-list__hot-body .rank-list__name{font-weight:600;font-size:15px;white-space:normal}
.rank-list__hot-body p{font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.5}
.update-table th,.update-table td{padding:10px 8px;text-align:left;font-size:13px;border-bottom:1px solid var(--line-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.update-table th{color:var(--text-3);font-weight:500}
.update-table td.name a{font-weight:600}
.update-table td.chapter{max-width:0;width:40%}
.update-table td.cat{color:var(--text-3)}
.update-table td.time{color:var(--text-3)}
.table-wrap{overflow-x:auto}

/* ---------- 分页（覆盖 layui laypage 皮肤） ---------- */
.pager{display:flex;justify-content:center;margin-top:20px}
.layui-laypage{margin:0;display:inline-flex;flex-wrap:wrap;gap:6px;align-items:center;vertical-align:top}
.layui-laypage a,.layui-laypage span{margin:0;padding:0 12px;height:32px;line-height:32px;border:1px solid var(--line)!important;border-radius:var(--r);background:var(--bg);color:var(--text-2);font-size:13px;display:inline-block}
.layui-laypage a:hover{color:var(--brand);border-color:var(--brand)!important}
.layui-laypage .layui-laypage-curr .layui-laypage-em{background:var(--brand);border-radius:var(--r)}
.layui-laypage .layui-laypage-curr{border-color:var(--brand)!important;color:#fff}
.layui-laypage .layui-laypage-spr{border:0!important;background:none;padding:0 4px}
.layui-laypage .layui-laypage-count,.layui-laypage .layui-laypage-skip{border:0!important;background:none;color:var(--text-3)}
.layui-laypage .layui-laypage-skip .layui-input{height:32px;line-height:32px;width:50px;border-radius:var(--r)}
.layui-laypage .layui-laypage-skip .layui-laypage-btn{height:32px;line-height:32px;border-radius:var(--r);background:var(--brand);color:#fff;padding:0 12px;margin-left:4px}
.layui-laypage-em{border-radius:var(--r)}

/* ---------- 评论 ---------- */
.comment-list{margin-top:8px}
.comment-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line-2)}
.comment-item:last-child{border-bottom:0}
.comment-item__avatar{width:40px;height:40px;border-radius:50%;flex:none;object-fit:cover;background:var(--bg-3)}
.comment-item__body{flex:1;min-width:0}
.comment-item__name{font-size:14px;font-weight:600}
.comment-item__text{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.7;word-break:break-word}
.comment-item__foot{display:flex;gap:16px;align-items:center;margin-top:8px;font-size:12px;color:var(--text-3)}
.comment-item__foot a{display:inline-flex;align-items:center;gap:4px;color:var(--text-3)}
.comment-item__foot a:hover{color:var(--brand)}
.comment-item__foot svg{width:14px;height:14px}
.comment-form{margin-top:16px}
.comment-form .textarea{min-height:96px}
.comment-form__foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-size:12px;color:var(--text-3)}

/* ---------- 用户中心侧栏 ---------- */
.side-menu{background:var(--bg);border-radius:var(--r-lg);padding:12px 0;position:sticky;top:20px}
.side-menu__title{padding:8px 20px 12px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line-2);margin-bottom:6px}
.side-menu a{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:14px;color:var(--text-2);border-left:3px solid transparent}
.side-menu a:hover{color:var(--brand);background:var(--bg-2)}
.side-menu a.on{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand);font-weight:600}
.side-menu svg{width:18px;height:18px}
.page-title{font-size:20px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}
.page-title small{font-size:13px;color:var(--text-3);font-weight:400}

/* ---------- 抽屉导航（移动端） ---------- */
.drawer{position:fixed;inset:0;z-index:200;display:none}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.drawer__panel{position:absolute;left:0;top:0;bottom:0;width:78%;max-width:320px;background:var(--bg);padding:16px 0;overflow-y:auto;box-shadow:var(--shadow-lg)}
.drawer__panel a{display:block;padding:12px 24px;font-size:15px;color:var(--text-1)}
.drawer__panel a.on{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.drawer__panel .drawer__group{padding:12px 24px 4px;font-size:12px;color:var(--text-3)}
.drawer__panel .drawer__sub a{padding-left:40px;font-size:14px;color:var(--text-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .site-header__main{gap:12px}
  .site-nav__list a{padding:0 10px;font-size:15px}
  .site-search{width:200px}
  .layout,.layout--narrow{grid-template-columns:minmax(0,1fr)}
  .layout--user{grid-template-columns:minmax(0,1fr)}
  .side-menu{position:static;display:flex;overflow-x:auto;padding:4px}
  .side-menu__title{display:none}
  .side-menu a{border-left:0;border-bottom:2px solid transparent;white-space:nowrap;padding:10px 14px}
  .side-menu a.on{background:none;border-bottom-color:var(--brand)}
  .book-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:768px){
  :root{--header-h:52px;--gutter:12px}
  body{font-size:14px}
  .page{padding-top:12px;padding-bottom:24px}
  .section,.card{padding:14px;border-radius:var(--r)}
  .section+.section,.card+.card{margin-top:12px}
  .site-header__main{gap:8px}
  .brand-logo{font-size:19px}
  .brand-logo .brand-logo__sub{display:none}
  .site-search{display:none;position:absolute;left:var(--gutter);right:var(--gutter);top:calc(var(--header-h) + 6px);width:auto;margin-left:0;z-index:70;box-shadow:var(--shadow-lg)}
  .site-search.is-open{display:flex}
  .site-user .sep{display:none}
  .icon-btn{display:inline-flex}
  .site-nav{display:none}
  .book-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 10px}
  .book-card__name{font-size:14px}
  .book-row{gap:12px;padding:12px 0}
  .book-row .cover{width:76px}
  .book-row__name{font-size:15px}
  .book-row__desc{display:none}
  .book-row__actions{flex-direction:column}
  .section__title{font-size:16px}
  .tabs a,.tabs button{padding:8px 12px;font-size:14px}
  .site-footer{margin-top:24px;padding:20px 0}
}
@media (max-width:480px){
  .book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .book-row .cover{width:66px}
  .btn--lg{height:40px;padding:0 20px;font-size:15px}
}