/* 初中英语翻盘 · 自学资料 · 清新活泼风格 · 共享样式 */
:root{
  --coral:#ff6b6b; --coral-d:#e04f4f;
  --mint:#20c4a8; --mint-d:#0e9a83;
  --sun:#ffd23f; --sun-d:#e0a800;
  --sky:#4dabf7; --sky-d:#2384d6;
  --grape:#9b6bff; --grape-d:#7448e0;
  --ink:#2d2a4a; --muted:#6c6890; --line:#e7e3f5;
  --bg:#fff7ea;
  /* 词性颜色（全资料统一） */
  --n:#4dabf7; --v:#ff6b6b; --adj:#20c4a8; --adv:#9b6bff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:16px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Hiragino Sans GB",sans-serif;color:var(--ink);background:var(--bg);
  background-image:radial-gradient(circle at 20px 20px,rgba(255,210,63,.35) 3px,transparent 4px),radial-gradient(circle at 60px 60px,rgba(77,171,247,.22) 3px,transparent 4px);
  background-size:80px 80px;line-height:1.8;font-size:16px}
.wrap{max-width:940px;margin:0 auto;padding:24px 20px 60px}
.en{font-family:"Avenir Next","Segoe UI","Helvetica Neue",Arial,sans-serif}
b,strong{font-weight:800}
p+p{margin-top:8px}

/* 顶部导航 */
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);text-decoration:none}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);display:grid;place-items:center;box-shadow:0 4px 0 var(--coral-d);transform:rotate(-6deg);flex:none}
.nav-right{display:flex;gap:8px}
.pill{background:#fff;border:2px solid var(--ink);border-radius:999px;padding:3px 14px;font-size:14px;font-weight:700;box-shadow:0 3px 0 var(--ink);color:var(--ink);text-decoration:none;white-space:nowrap}

/* 头图 */
.hero{position:relative;border-radius:32px;padding:32px 34px 28px;color:#fff;overflow:hidden;border:3px solid var(--ink);box-shadow:0 8px 0 var(--ink);background:linear-gradient(135deg,#7fd8ff 0%,#a78bfa 100%)}
.hero::before{content:"";position:absolute;right:-50px;top:-50px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.15)}
.hero-grid{display:grid;grid-template-columns:1fr 230px;gap:20px;align-items:center;position:relative}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--sun);color:var(--ink);font-weight:800;padding:5px 16px;border-radius:999px;border:2.5px solid var(--ink);box-shadow:0 3px 0 var(--ink);transform:rotate(-2deg);font-size:15px}
.stage{display:inline-block;margin-left:8px;font-size:14px;font-weight:700;background:rgba(255,255,255,.25);border-radius:999px;padding:3px 12px;vertical-align:middle}
.hero h1{font-size:40px;line-height:1.25;margin:14px 0 4px;text-shadow:0 3px 0 rgba(45,42,74,.35);font-weight:900}
.hero h1 small{display:block;font-size:20px;font-weight:700;opacity:.95;text-shadow:none;margin-top:4px}
.meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--ink);border-radius:14px;padding:5px 13px;font-weight:700;font-size:14px;border:2px solid var(--ink)}
.chip svg{flex:none}
.stars{color:var(--sun-d);letter-spacing:1px}
.stars i{color:#d9d6ea;font-style:normal}
.hero-art{width:100%;height:auto}

/* 卡片 */
.card{background:#fff;border-radius:28px;padding:28px 30px 26px;margin-top:28px;border:3px solid var(--ink);box-shadow:0 7px 0 var(--ink);position:relative}
.card-title{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:900;margin-bottom:14px;line-height:1.35}
.card-title .kicker{display:block;font-size:12.5px;color:var(--muted);font-weight:700;letter-spacing:.08em}
.num{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:20px;font-weight:900;border:2.5px solid var(--ink);flex:none}
.lead{color:var(--muted);margin-bottom:14px}
h3.sub{font-size:18px;font-weight:900;margin:22px 0 10px;display:flex;align-items:center;gap:8px}
h3.sub::before{content:"";width:8px;height:22px;border-radius:4px;background:var(--c,var(--sun))}

/* 目标 */
.goals{background:#eafff9}
.goal-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.goal-list li{display:flex;gap:10px;align-items:flex-start;background:#fff;border:2px dashed var(--mint);border-radius:18px;padding:12px 14px;font-weight:600}
.tick{flex:none;width:26px;height:26px;border-radius:50%;background:var(--mint);display:grid;place-items:center;margin-top:2px}
.prereq{margin-top:14px;font-size:14.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 18px}
.prereq b{color:var(--ink)}

/* 开场故事 */
.story{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;background:#fff8e1}
.story .bubble{background:#fff;border:2.5px solid var(--ink);border-radius:22px;padding:16px 20px;position:relative}
.story .bubble::before{content:"";position:absolute;left:-14px;top:40px;border:12px solid transparent;border-right-color:var(--ink);border-left:0}
.story .bubble::after{content:"";position:absolute;left:-10px;top:42px;border:10px solid transparent;border-right-color:#fff;border-left:0}

/* 表格（手机端自动变成卡片） */
.tbl{width:100%;border-collapse:separate;border-spacing:0 8px;font-size:15.5px}
.tbl th{font-size:13px;color:var(--muted);text-align:left;padding:0 12px;font-weight:700}
.tbl td{background:#f6f4ff;padding:11px 12px;vertical-align:middle}
.tbl td:first-child{border-radius:16px 0 0 16px}
.tbl td:last-child{border-radius:0 16px 16px 0}
.tbl .k{font-weight:900}
mark{background:var(--sun);border-radius:6px;padding:0 4px;font-weight:700;color:inherit}
.tag{display:inline-block;font-size:12.5px;padding:1px 10px;border-radius:99px;color:#fff;font-weight:800;line-height:1.7;white-space:nowrap}
.t-n{background:var(--n)} .t-v{background:var(--v)} .t-adj{background:var(--adj)} .t-adv{background:var(--adv)}
.c-n{color:var(--sky-d)} .c-v{color:var(--coral-d)} .c-adj{color:var(--mint-d)} .c-adv{color:var(--grape-d)}

/* 提示框 */
.tip{display:flex;gap:12px;align-items:flex-start;background:#fff6d6;border:2px solid var(--sun-d);border-radius:18px;padding:12px 16px;margin-top:14px;font-size:15px}
.tip svg{flex:none;margin-top:2px}
.tip.blue{background:#eef7ff;border-color:var(--sky)}
.deep-ex{background:#f7fbff;border-left:4px solid var(--sky);border-radius:10px;padding:6px 12px;margin:8px 0}
.deep-ex p{margin:4px 0}
.en-in{font-family:inherit;font-weight:800}
@media print{.deep-ex{break-inside:avoid;padding:3px 10px;margin:4px 0}}
.tip.red{background:#fff0f0;border-color:#ffb3b3}

/* 规则卡 */
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 16px}
.rules+.tip,.rules+.practice{margin-top:22px}
.nw,.nb{white-space:nowrap}
.test ol.grid2{display:grid;grid-template-columns:1fr 1fr;column-gap:10px}
.rules.two{grid-template-columns:1fr 1fr}
.rules.four{grid-template-columns:repeat(4,1fr)}
.r{border-radius:22px;padding:16px;border:2.5px solid var(--ink);background:#fff;box-shadow:0 5px 0 var(--c,var(--mint))}
.r h4{font-size:16.5px;display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap;line-height:1.4}
.r ul{list-style:none;font-size:15px}
.r li{padding:3px 0;border-bottom:1px dashed var(--line)}
.r li:last-child{border:0}
.suf{color:var(--coral-d);font-weight:900}
.r small{display:block;color:var(--muted);font-size:13.5px;margin-top:8px;line-height:1.6}
.chant{text-align:center;font-weight:900;font-size:19px;background:var(--coral);color:#fff;border-radius:18px;padding:12px 16px;border:2.5px solid var(--ink);box-shadow:0 4px 0 var(--ink);margin:6px 0 20px;line-height:1.6}

/* 图解容器 */
.figure{background:#f6fbff;border:2px dashed #b9dcfb;border-radius:22px;padding:16px;margin:14px 0}
.figure svg{width:100%;height:auto;display:block}
.figure .cap{text-align:center;font-size:14px;color:var(--muted);margin-top:6px}
.fig-m{display:none!important}

/* 错题诊所 */
.clinic{background:#fffafa}
.diag-item{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;margin-bottom:14px}
.bad,.good{border-radius:18px;padding:11px 16px;display:flex;gap:10px;align-items:flex-start;font-size:16px}
.bad{background:#ffecec;border:2px solid #ffb3b3}
.good{background:#e6fbf4;border:2px solid #8fe3cc}
.bad s{text-decoration-color:var(--coral);text-decoration-thickness:2px}
.good b{color:var(--mint-d)}
.why{grid-column:1/-1;font-size:14.5px;color:var(--muted);padding:0 6px;margin-top:-4px}
.why b{color:var(--ink)}
.ico{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;margin-top:2px}
.ico.x{background:var(--coral)} .ico.o{background:var(--mint)}

/* 随堂练 */
.practice{margin-top:18px;background:#f2f7ff;border:2.5px solid var(--ink);border-radius:22px;padding:16px 18px}
.practice .ptitle{display:flex;align-items:center;gap:8px;font-weight:900;color:var(--sky-d);font-size:15px;margin-bottom:6px}
.practice .qtext{font-size:16.5px;font-weight:700}
.opts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0 14px}
.opts.two{grid-template-columns:1fr 1fr}
.opt{background:#fff;border:2px solid var(--ink);border-radius:14px;padding:7px 12px;font-weight:600;display:flex;gap:8px;align-items:center;font-size:15px}
.opt span{width:24px;height:24px;border-radius:8px;background:var(--sky);color:#fff;display:grid;place-items:center;font-weight:900;flex:none;font-size:13px}
.unlock{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--sun);color:var(--ink);font-family:inherit;font-weight:900;font-size:16.5px;border:3px solid var(--ink);border-radius:16px;padding:10px;cursor:pointer;box-shadow:0 5px 0 var(--ink);transition:transform .1s,box-shadow .1s;margin-top:10px}
.unlock:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ink)}
.answer{display:none;margin-top:14px;background:#fff;border:2.5px dashed var(--mint);border-radius:16px;padding:12px 16px;font-size:15.5px}
.answer.show{display:block}
.answer .ak{color:var(--mint-d);font-weight:900}

/* 通关检测 */
.test{background:#f7f3ff}
.test ol{padding-left:0;list-style:none;counter-reset:q}
.test li{counter-increment:q;background:#fff;border:2px solid var(--line);border-radius:16px;padding:10px 14px 10px 50px;margin-bottom:10px;position:relative;font-size:15.5px}
.test li::before{content:counter(q);position:absolute;left:12px;top:10px;width:28px;height:28px;border-radius:9px;background:var(--grape);color:#fff;font-weight:900;display:grid;place-items:center;font-size:14px}
.test .sec{font-weight:900;margin:16px 0 8px;font-size:16px}
.test .ch{color:var(--muted);font-size:14.5px;display:block}
.score{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.score div{border-radius:16px;padding:10px 14px;border:2px solid var(--ink);font-size:14.5px;background:#fff}
.score b{display:block;font-size:17px}
.ans-list{list-style:none;counter-reset:a;padding:0}
.ans-list li{counter-increment:a;padding:6px 0 6px 34px!important;border:0!important;border-bottom:1px dashed var(--line)!important;border-radius:0!important;margin:0!important;background:none!important}
.ans-list li::before{content:counter(a)!important;background:var(--mint)!important;width:24px!important;height:24px!important;left:0!important;top:8px!important;font-size:12px!important}

/* 考前小抄 */
.cheat{background:linear-gradient(180deg,#fff3c4,#fff);border-style:dashed}
.cheat .cgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cheat .cbox{background:#fff;border:2px solid var(--ink);border-radius:16px;padding:12px 14px;font-size:15px}
.cheat .cbox h4{font-size:15.5px;margin-bottom:4px;color:var(--coral-d)}
.cheat .cbox ul{padding-left:18px}
.scissor{position:absolute;top:-16px;left:28px;background:var(--bg);padding:0 8px;font-size:13px;font-weight:800;color:var(--muted);display:flex;align-items:center;gap:6px}

/* 翻页 */
.pager{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;margin-top:30px;align-items:stretch}
.pager a{display:flex;flex-direction:column;gap:2px;background:#fff;border:2.5px solid var(--ink);border-radius:18px;padding:10px 16px;text-decoration:none;color:var(--ink);box-shadow:0 4px 0 var(--ink);font-weight:800}
.pager a small{font-size:12.5px;color:var(--muted);font-weight:700}
.pager .next{text-align:right;align-items:flex-end}
.pager .home{justify-content:center;align-items:center;background:var(--sun)}
.pager .dis{opacity:.45;pointer-events:none}
.wb-link{margin-top:14px;text-align:center;font-size:14.5px;color:var(--muted)}
.wb-link a{color:var(--sky-d);font-weight:800}
.footer{text-align:center;color:var(--muted);font-size:13px;margin-top:26px}
.print-only{display:none}

/* 先猜一猜 / 回头看 / 自评 */
.warm{background:#fff8ec}
.warm ol,.review ol{list-style:none;counter-reset:w;display:grid;gap:10px}
.warm li,.review li{counter-increment:w;display:flex;align-items:center;gap:12px;background:#fff;border:2px dashed #ffc76b;border-radius:16px;padding:10px 14px;font-weight:600}
.warm li::before,.review li::before{content:counter(w);flex:none;width:28px;height:28px;border-radius:50%;background:var(--sun);border:2px solid var(--ink);display:grid;place-items:center;font-weight:900;font-size:14px}
.warm .tf{margin-left:auto;display:flex;gap:6px;flex:none}
.warm .tf span{border:2px solid var(--ink);border-radius:10px;padding:1px 10px;font-size:13px;font-weight:800;background:#fff}
.review li{border-style:solid;border-color:var(--line);align-items:flex-start}
.review .v{flex:none;font-weight:900;border-radius:10px;padding:0 8px;color:#fff}
.review .v.y{background:var(--mint)}.review .v.n{background:var(--coral)}
.selfcheck{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.selfcheck li{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:15px}
.selfcheck .box{flex:none;width:20px;height:20px;border:2.5px solid var(--ink);border-radius:6px;margin-top:3px;background:#fff}
.hero .info{margin-top:12px;font-size:14px;color:#fff;opacity:.95;display:flex;flex-wrap:wrap;gap:4px 16px;font-weight:700}
@media screen and (max-width:720px){
  .warm li{display:grid;grid-template-columns:28px 1fr;row-gap:8px}.warm .tf{grid-column:2;margin-left:0}
  .selfcheck{grid-template-columns:1fr}

  .wrap{padding:14px 12px 40px}
  .nav .pill.hide-m{display:none}
  .hero{padding:22px 18px 20px;border-radius:26px}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{position:absolute;right:-8px;top:-8px;width:104px}
  .badge{margin-right:96px}
  .stage{display:block;margin:10px 0 0;width:max-content}
  .hero h1{font-size:30px}
  .hero h1 small{font-size:16.5px}
  .card{padding:22px 16px 20px;border-radius:24px}
  .card-title{font-size:20px}
  .test ol.grid2{grid-template-columns:1fr}
  .goal-list,.rules,.rules.two,.rules.four,.diag-item,.cheat .cgrid,.score{grid-template-columns:1fr}
  .opts{grid-template-columns:1fr 1fr}
  .opt{min-width:0;overflow-wrap:anywhere}
  .story{grid-template-columns:1fr}
  .story svg{max-width:170px;margin:0 auto}
  .story .bubble::before,.story .bubble::after{display:none}
  .tbl thead{display:none}
  .tbl,.tbl tbody{display:block}
  .tbl tr{display:block;background:#f6f4ff;border-radius:16px;padding:10px 14px;margin-bottom:10px}
  .tbl td{display:block;position:relative;background:none;padding:3px 0 3px 70px;border-radius:0!important}
  .tbl td::before{content:attr(data-l);position:absolute;left:0;top:4px;color:var(--muted);font-size:13px;font-weight:700}
  .tbl td.k{font-size:17px}
  .fig-d{display:none!important}
  .fig-m{display:block!important}
  .pager{grid-template-columns:1fr 1fr}
  .pager .home{grid-column:1/-1;order:3}
  .chant{font-size:16.5px}
}

@media print{
  @page{size:A4;margin:14mm 12mm}
  body{background:#fff;font-size:12pt}
  .wrap{max-width:none;padding:0}
  .nav,.unlock,.pager,.wb-link,.footer{display:none!important}
  .hero,.card{box-shadow:none;border-width:2px}
  .card{break-inside:auto;margin-top:14px}
  .practice,.diag-item,.r,.test li,.cbox,.figure,.tbl tr{break-inside:avoid}
  .card-title,.lead,.sub,.kicker,h1,h2,h3,h4{break-after:avoid}
  li,.opt,tr,.tip,.warn,.note,.ex,.pair{break-inside:avoid}
  p{orphans:3;widows:3}
  .crumbs{display:none!important}
  img,svg{max-width:100%}
  .answer{display:none!important}
  .print-only{display:block}
  .print-answers{break-before:page}
  .cheat{break-before:page}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
/* 即将上线的链接 */
a.dis{pointer-events:none;opacity:.5;cursor:default}
.pager a.dis small::after{content:" · 即将上线"}

/* ============ 全站导航（V1） ============ */
.site-nav{display:flex;align-items:center;gap:10px 14px;margin-bottom:20px;flex-wrap:wrap;position:relative;z-index:20}
.site-nav .logo{flex:none;min-width:0}
.logo-tx{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-sub{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.02em;white-space:nowrap;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;flex-wrap:wrap;justify-content:flex-end}
.nav-links>a,.st-menu>summary{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:800;color:var(--ink);text-decoration:none;padding:4px 12px;border-radius:999px;border:2px solid transparent;cursor:pointer;white-space:nowrap;list-style:none;line-height:1.6}
.st-menu>summary::-webkit-details-marker{display:none}
.st-menu>summary::after{content:"";width:7px;height:7px;border-right:2.5px solid currentColor;border-bottom:2.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);margin-left:4px}
.nav-links>a:hover,.st-menu>summary:hover{background:#fff;border-color:var(--line)}
.nav-links>a.on{background:var(--sun);border-color:var(--ink);box-shadow:0 3px 0 var(--ink)}
.st-cur{background:var(--sky);color:#fff;border-radius:999px;padding:0 8px;font-size:12px;margin-left:4px}
.st-menu{position:relative}
.st-pop{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:2.5px solid var(--ink);border-radius:18px;box-shadow:0 6px 0 var(--ink);padding:8px;display:grid;gap:4px;width:250px;z-index:30}
.st-pop a{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:8px;padding:6px 8px;border-radius:12px;text-decoration:none;color:var(--ink);font-weight:800;font-size:14.5px}
.st-pop a b{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:13px;border:2px solid var(--ink)}
.st-pop a:nth-child(1) b{background:var(--coral)}.st-pop a:nth-child(2) b{background:var(--sky)}.st-pop a:nth-child(3) b{background:var(--mint)}
.st-pop a:nth-child(4) b{background:var(--grape)}.st-pop a:nth-child(5) b{background:var(--sun);color:var(--ink)}.st-pop a:nth-child(6) b{background:var(--sky-d)}
.st-pop a small{color:var(--muted);font-size:12px;font-weight:700}
.st-pop a:hover,.st-pop a.cur{background:#fff3c4}
.crumbs{order:4;flex-basis:100%;display:flex;flex-wrap:wrap;align-items:center;gap:2px 6px;font-size:13.5px;font-weight:800;color:var(--muted);margin-top:-2px;min-width:0}
.crumbs a{color:var(--ink);text-decoration:none;border-bottom:2px solid var(--line);line-height:1.4}
.crumbs a:hover{border-color:var(--coral)}
.crumbs a:first-child::before{content:"⌂ ";color:var(--coral)}
.crumbs i{font-style:normal;color:var(--muted)}
.crumbs span{color:var(--muted);overflow-wrap:anywhere}
.pbtn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--ink)}
@media screen and (max-width:720px){
  .site-nav{gap:8px}
  .site-nav .logo{font-size:15.5px;flex:1 1 auto}.site-nav .logo-mark{width:34px;height:34px}.logo-sub{font-size:11px;letter-spacing:0}
  .nav-links{order:3;flex-basis:100%;justify-content:center;flex-wrap:wrap;background:#fff;border:2px solid var(--line);border-radius:16px;padding:4px;gap:2px}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links>a,.st-menu>summary{font-size:13.5px;padding:3px 10px}
  .st-menu{position:static}
  .st-pop{left:0;right:0;top:auto;margin-top:8px;width:auto;grid-template-columns:1fr 1fr}
  .st-pop a{grid-template-columns:26px 1fr}.st-pop a small{display:none}
}

/* ============ 打印面板 ============ */
.pm-mask{position:fixed;inset:0;background:rgba(45,42,74,.45);display:grid;place-items:center;z-index:100;padding:16px}
.pm-box{background:#fff;border:3px solid var(--ink);border-radius:26px;box-shadow:0 8px 0 var(--ink);padding:22px 22px 18px;width:min(440px,100%)}
.pm-box h3{font-size:20px;font-weight:900;display:flex;align-items:center;gap:8px;margin-bottom:4px}
.pm-box p{color:var(--muted);font-size:14px}
.pm-opts{display:grid;gap:10px;margin:14px 0 10px}
.pbtn{display:flex;align-items:center;gap:10px;width:100%;text-align:left;font:inherit;font-weight:800;font-size:15.5px;color:var(--ink);background:#fff;border:2.5px solid var(--ink);border-radius:16px;padding:10px 14px;box-shadow:0 4px 0 var(--ink);cursor:pointer;text-decoration:none}
.pbtn small{display:block;font-size:12.5px;color:var(--muted);font-weight:700}
.pbtn.q{background:#e7f5ff}.pbtn.a{background:#e6fcf5}.pbtn.dl{background:#fff8e1}
.pbtn .pi{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;border:2px solid var(--ink);background:#fff}
.pm-tip{font-size:12.5px!important;background:#f6f4ff;border-radius:12px;padding:8px 12px;margin-top:4px}
.pm-x{float:right;border:0;background:none;font-size:22px;line-height:1;cursor:pointer;color:var(--muted)}
.printcard{background:#f0fbff}
.printcard .prow2{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.printcard .pbtn{font-size:14.5px;padding:9px 12px}
@media screen and (max-width:720px){.printcard .prow2{grid-template-columns:1fr}}
.print-line{text-align:center;margin-top:12px}
.print-line .pbtn{display:inline-flex;width:auto;font-size:14.5px;padding:6px 16px}

/* 打印模式：pm-q = 只印题目；pm-a = 含答案 */
@media print{
  .site-nav,.printcard,.pm-mask,.no-print,.print-line{display:none!important}
  html.pm-q .akey,html.pm-q .print-answers,html.pm-q .wb-ans,html.pm-q .wf-key{display:none!important}
  html.pm-a .wf-ans{display:block!important}
  html.pm-a .wf-key{display:block!important}
  a{color:inherit;text-decoration:none}
}

.hero .info a{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ===== 中文翻译 + 朗读（i18n） ===== */
.zh{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Hiragino Sans GB",sans-serif;color:var(--muted);font-size:.86em;font-weight:500;letter-spacing:0}
.zh.b{display:block;margin-top:1px;line-height:1.55}
.sbtn{display:inline-grid;place-items:center;width:24px;height:24px;margin:0 2px 0 6px;padding:0;border:1.5px solid var(--line);border-radius:50%;background:#fff;font-size:11.5px;line-height:1;cursor:pointer;vertical-align:1px;font-family:inherit;color:var(--ink)}
.sbtn:hover,.sbtn:focus-visible{border-color:var(--ink);background:#fff3c4;outline:none}
.sbtn.on{background:var(--sun);border-color:var(--ink)}
.xs{display:block;margin-top:8px;padding:7px 12px;background:#fff;border:1.5px dashed #c9c4e4;border-radius:12px;line-height:1.6}
.xs>.en{font-weight:700}
.xs>.zh.b{margin-top:2px}
.xw{display:block;margin-top:4px;font-size:.94em;line-height:1.65;color:var(--ink)}
.xw b{display:inline-block;font-size:.84em;font-weight:900;border-radius:6px;padding:0 6px;margin-right:6px;color:#fff;background:var(--sky)}
.xw.t b{background:var(--coral)}
@media print{
  .sbtn{display:none!important}
  .zh{color:#555}
  .xs{border:0;padding:0;margin-top:2px;background:none}
  .xw{margin-top:1px}
  .xw b{color:#000;background:none!important;border:1px solid #888;padding:0 3px}
}

/* ===== 做题信息栏：姓名 / 日期 / 用时 / 得星（练习册、测评第一页） ===== */
.namebar{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:6px 18px;margin-top:14px;padding:12px 18px;background:#fff;border:2.5px solid var(--ink);border-radius:18px;box-shadow:0 4px 0 var(--ink)}
.namebar>span{display:flex;align-items:flex-end;gap:6px;font-weight:900;font-size:14.5px;white-space:nowrap;min-width:0}
.namebar i{flex:1;min-width:40px;height:22px;border-bottom:2px solid var(--ink);font-style:normal}
.namebar small{font-weight:700;color:var(--muted);font-size:12.5px}
@media (max-width:640px){.namebar{grid-template-columns:1fr 1fr;padding:10px 14px}}

/* ===== A4 打印版式：页眉页脚、分页规则（Chrome / Edge 131+ 支持页边距盒；Safari、Firefox 自动退化为无页眉页脚） ===== */
@media print{
  @page{size:A4;margin:17mm 13mm 15mm;
    @top-left{content:"初中英语翻盘 · 自学资料";font:800 8pt/1.3 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#5b5780;vertical-align:bottom;padding-bottom:1.8mm;border-bottom:.7pt solid #cfcbe6}
    @top-center{content:"";vertical-align:bottom;border-bottom:.7pt solid #cfcbe6}
    @top-right{content:"";font:700 8pt/1.3 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#2d2a4a;vertical-align:bottom;text-align:right;padding-bottom:1.8mm;border-bottom:.7pt solid #cfcbe6}
    @bottom-left{content:"语法讲义｜配套练习｜词族单词";font:600 6.5pt/1.3 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#9a96b5;vertical-align:top;padding-top:2.2mm}
    @bottom-center{content:"第 " counter(page) " / " counter(pages) " 页";font:800 8pt/1.3 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#2d2a4a;vertical-align:top;padding-top:2mm}
    @bottom-right{content:"";vertical-align:top}
  }
  /* 每份第一页是大标题横幅，不要页眉 */
  @page:first{@top-left{content:none;border:0}@top-center{content:none;border:0}@top-right{content:none;border:0}}

  /* 分页：小块不切开；大卡片切开时，切口处补上边框和内边距；标题跟着下文走 */
  .card{break-inside:auto;-webkit-box-decoration-break:clone;box-decoration-break:clone}
  .card.keep,.hero,.namebar,.how,.rate,.cheat{break-inside:avoid}
  .card-title,.sub2,.kicker,.lead,h1,h2,h3,h4,.ptitle,.grp>h4{break-after:avoid}
  .practice,.diag-item,.qs>li,.akey li,.tip,.warn,.note,.ex,.pair,.cbox,.figure,.opts,.passage,.wbox,.tbl tr,table tr,.dlg p,.col{break-inside:avoid}
  .lv .card-title+.lead{break-after:avoid}
  .print-answers,.akey{break-before:page}
  .cheat{break-before:auto;margin-top:14px}
  .namebar{box-shadow:none;border-width:1.5px;border-radius:12px;margin-top:8px;padding:8px 14px;gap:4px 16px}
  .namebar>span{font-size:10.5pt}.namebar i{height:18px;border-bottom-width:1.2px}.namebar small{font-size:9pt}
}

/* 打印时只印本站正文：浏览器插件（迅雷、划词翻译、AITDK SEO、AI 侧边栏等）常往 <html> 下、<body> 末尾塞自己的节点
   （隐藏的面板、100vh 的宿主、绝对定位的浮层）。这些节点排在正文后面，Chrome 会为它们多排一页——
   打印预览最后一页就成了只有页眉页脚的白纸。打印时把正文以外的外来节点全部藏掉，html/body 也不留固定高度。 */
@media print{
  html>:not(head):not(body),body>:not(.wrap):not(.sheet):not(svg[aria-hidden]):not(script):not(style){display:none!important}
  html,body{height:auto!important;min-height:0!important}
}

/* 卡密登录：未开通入口的锁、顶部账号菜单 */
.site-nav .jv-acct>summary.jv-profile,.site-nav a.jv-profile{display:flex;align-items:center;justify-content:center;width:42px;height:42px;padding:8px;border-radius:50%}
.site-nav .jv-acct>summary.jv-profile::after{display:none}
.jv-profile svg{display:block;flex-shrink:0}
.jv-profile:focus-visible{outline:3px solid var(--sun);outline-offset:3px}
a.jv-lock{opacity:.72}
a.jv-lock:hover{opacity:1}
.jv-lk{display:inline-block;font-size:.85em;margin-left:4px;filter:grayscale(.2);text-decoration:none}
.nav-links>a.jv-login{background:var(--ink);color:#fff;border-color:var(--ink)}
.nav-links>a.jv-login:hover{background:var(--ink);color:#fff}
.nav-links>a.jv-warn{background:#fff0f0;color:var(--coral-d);border-color:var(--coral)}
.jv-pop{width:270px;padding:12px 14px;gap:6px}
.jv-row{display:flex;flex-direction:column;line-height:1.5}
.jv-row small{color:var(--muted);font-weight:700;font-size:12px}
.jv-row b{font-size:14px;overflow-wrap:anywhere}
.jv-out{margin-top:4px;width:100%;font:inherit;font-weight:900;font-size:14px;border:2.5px solid var(--ink);border-radius:999px;padding:5px 12px;background:#fff;color:var(--ink);cursor:pointer;box-shadow:0 3px 0 var(--ink)}
.jv-out:hover{background:#fff3c4}
.jv-merge{background:#e7f5ff}
.jv-mg-l{display:block;font-weight:900;margin:14px 0 6px}
.jv-mg-in{width:100%;font-family:"SFMono-Regular",Menlo,Consolas,monospace;font-size:20px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;border:2.5px solid var(--ink);border-radius:14px;padding:8px 12px;background:#fff;color:var(--ink)}
.jv-mg-in:focus{outline:3px solid #ffd43b;outline-offset:1px}
.jv-mg-msg{min-height:1.4em;margin:8px 0 2px;font-size:14px;font-weight:800;line-height:1.5}
.jv-mg-msg.ok{color:#2b8a3e}.jv-mg-msg.err{color:var(--coral-d)}
.jv-mg-go{background:#ffd43b;font-size:15px;padding:7px 12px}
.jv-mg-go:disabled{opacity:.7;cursor:default}
@media print{.jv-lk,.jv-acct,.jv-mg{display:none!important}}
.jv-hid{margin:0 0 12px;padding:8px 14px;border-radius:14px;background:#fff8dc;border:2px dashed var(--sun-d);font-size:14px;font-weight:700}
.jv-none{margin:14px 0;padding:18px;border-radius:16px;background:#f6f5ff;border:2px dashed var(--line);font-weight:800;text-align:center;color:var(--muted)}