/* 速刊官网 · 方案C 样式（蓝主红辅，响应式，无外部依赖） */
:root {
  --blue: #0B57D0; --blue-d: #084EAE; --blue-l: #5AA2FF; --blue-bg: #EAF2FE;
  --red: #CE2031; --red-bg: #FDF1F2; --red-line: #F3C9CD;
  --cyan: #0E7490; --cyan-bg: #E6F4F7; --amber: #B45309; --amber-bg: #FDF3E4;
  --navy: #0A1A33; --navy2: #10264A;
  --bg: #F5F8FC; --line: #E3E9F2; --ink: #1A2233; --text: #4A5568; --muted: #667085;
  --hd: 72px; --r-s: 4px; --r-m: 8px; --r-l: 12px; --r-xl: 16px;
  --shadow: 0 6px 20px rgba(10, 26, 51, .08);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.8; color: var(--text); background: #fff; }
img, svg, canvas { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-d); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.4; }
:focus-visible { outline: 3px solid var(--blue-l); outline-offset: 2px; border-radius: 4px; }
[id] { scroll-margin-top: calc(var(--hd) + 64px); }
.wrap { max-width: 1248px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 200; background: #fff; color: var(--blue); padding: 8px 14px; border-radius: var(--r-m); box-shadow: var(--shadow); }
.skip:focus { top: 12px; }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 28px; border-radius: var(--r-m); font-size: 16px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; transition: background .2s, color .2s, border-color .2s; }
.btn .icon { width: 18px; height: 18px; }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-d); color: #fff; }
.btn--ghost { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn--ghost:hover { background: var(--blue-bg); }
.btn--light { background: #fff; color: var(--blue); }
.btn--light:hover { background: var(--blue-bg); color: var(--blue-d); }
.btn--outline-light { border-color: rgba(255, 255, 255, .7); color: #fff; }
.btn--outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: #fff; }
.link-more { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; font-size: 15px; }
.link-more::after { content: "→"; transition: transform .2s; }
.link-more:hover::after { transform: translateX(4px); }

/* ---------- 页头 ---------- */
.hd { position: fixed; left: 0; right: 0; top: 0; z-index: 100; height: var(--hd); background: #fff; box-shadow: 0 1px 0 var(--line); transition: background .3s, box-shadow .3s; }
.hd-in { display: flex; align-items: center; height: 100%; }
.brand { display: flex; align-items: center; color: var(--ink); flex: none; }
.brand img { height: 36px; width: auto; }
.brand-r { align-self: flex-start; margin: 16px 0 0 2px; font-size: 11px; line-height: 1; color: var(--red); font-weight: 700; }
.brand-slogan { margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--line); font-size: 14px; color: var(--muted); letter-spacing: .5px; white-space: nowrap; }
.nav { margin-left: auto; display: flex; align-items: center; height: 100%; }
.nav > ul { display: flex; height: 100%; }
.nav > ul > li { position: relative; display: flex; align-items: center; }
.nav > ul > li > a { display: flex; align-items: center; height: 100%; padding: 0 16px; font-size: 16px; color: var(--ink); position: relative; }
.nav > ul > li > a:hover, .nav > ul > li.on > a { color: var(--blue); }
.nav > ul > li.on > a { font-weight: 600; }
.nav > ul > li.on > a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--blue); }
.sub { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); min-width: 176px; background: #fff; border-radius: var(--r-m); box-shadow: 0 8px 28px rgba(10, 26, 51, .14); padding: 8px; }
.sub a { display: block; padding: 8px 14px; font-size: 15px; color: var(--ink); border-radius: 6px; white-space: nowrap; }
.sub a:hover { background: var(--blue-bg); color: var(--blue); }
.nav li:hover > .sub, .nav li:focus-within > .sub { display: block; }
.sub-toggle { display: none; }
.nav-cta { margin-left: 16px; height: 40px; padding: 0 20px; font-size: 15px; }
.nav-toggle { display: none; }
/* 叠在深色首屏/横幅上的透明状态 */
.hd--clear { background: transparent; box-shadow: none; }
.hd--clear .brand img { filter: brightness(0) invert(1); }
.hd--clear .brand-r, .hd--clear .brand-slogan, .hd--clear .nav > ul > li > a { color: #fff; }
.hd--clear .brand-slogan { border-left-color: rgba(255, 255, 255, .45); }
.hd--clear .nav > ul > li.on > a::after { background: #fff; }
.hd--clear .nav-cta { background: #fff; color: var(--blue); }

/* ---------- 首屏轮播 ---------- */
.hero { position: relative; height: clamp(520px, 56.25vw, 760px); max-height: 100vh; min-height: 520px; overflow: hidden; background: #050b18; color: #fff; }
.slide { position: absolute; inset: 0; display: none; transition: transform .6s ease-in-out; }
.slide.is-active, .slide.is-next, .slide.is-prev { display: block; }
.slide.is-next:not(.to-left), .slide.is-active.to-right { transform: translateX(100%); }
.slide.is-prev:not(.to-right), .slide.is-active.to-left { transform: translateX(-100%); }
.slide canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5, 14, 34, .78) 0%, rgba(5, 14, 34, .42) 46%, rgba(5, 14, 34, 0) 76%); }
.hero-copy { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; padding-top: var(--hd); padding-bottom: 40px; }
.hero-copy > * { max-width: 780px; }
.hero-sub, .hero-trust { max-width: 640px; }
.hero-eyebrow { font-size: 15px; letter-spacing: 3px; color: #b9d4ff; margin-bottom: 14px; }
.hero-title { font-size: clamp(28px, 3.3vw, 48px); font-weight: 700; color: #fff; line-height: 1.25; letter-spacing: 1px; }
.hero-sub { margin-top: 18px; font-size: clamp(16px, 1.4vw, 20px); color: #e3ecfb; line-height: 1.7; }
.hero-tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags span { font-size: 14px; padding: 4px 14px; border: 1px solid rgba(255, 255, 255, .5); border-radius: 20px; color: #fff; }
.hero-btns { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-trust { margin-top: 28px; font-size: 14px; color: #c9d8f0; display: flex; flex-wrap: wrap; gap: 6px 20px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-l); }
.hero-arrow { position: absolute; top: 50%; z-index: 5; width: 48px; height: 48px; margin-top: -24px; border-radius: 50%; background: rgba(255, 255, 255, .16); color: #fff; display: grid; place-items: center; transition: background .2s; }
.hero-arrow:hover { background: rgba(255, 255, 255, .34); }
.hero-arrow.prev { left: 24px; } .hero-arrow.next { right: 24px; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 22px; z-index: 5; display: flex; justify-content: center; align-items: center; gap: 8px; }
.hero-dot { width: 72px; height: 24px; display: flex; align-items: center; }
.hero-dot i { display: block; width: 100%; height: 3px; background: rgba(255, 255, 255, .32); border-radius: 3px; overflow: hidden; transition: height .2s, background-color .2s; }
.hero-dot:hover i { background: rgba(255, 255, 255, .6); }
.hero-dot[aria-current="true"] i { height: 6px; background: rgba(255, 255, 255, .45); }
.hero-dot b { display: block; width: 0; height: 100%; background: #fff; }
.hero-pause { width: 32px; height: 32px; margin-left: 6px; border-radius: 50%; background: rgba(255, 255, 255, .16); color: #fff; display: grid; place-items: center; }
.hero-pause:hover { background: rgba(255, 255, 255, .34); }
.hero-pause .icon { width: 14px; height: 14px; stroke-width: 2.4; }
.hero-pause .i-play { display: none; } .hero-pause.is-paused .i-play { display: block; } .hero-pause.is-paused .i-pause { display: none; }

/* ---------- 内页横幅 ---------- */
.banner { position: relative; overflow: hidden; color: #fff; padding: calc(var(--hd) + 56px) 0 64px; background: linear-gradient(120deg, #0A1A33 0%, #0B3A8C 70%, #0B57D0 100%); }
.banner::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .13) 1px, transparent 1.6px); background-size: 22px 22px; -webkit-mask-image: linear-gradient(100deg, transparent 30%, #000 100%); mask-image: linear-gradient(100deg, transparent 30%, #000 100%); }
.banner::after { content: ""; position: absolute; right: -120px; top: -160px; width: 520px; height: 520px; border-radius: 50%; border: 70px solid rgba(255, 255, 255, .05); }
.banner .wrap { position: relative; z-index: 1; }
.banner--sm { padding: calc(var(--hd) + 36px) 0 40px; }
.crumb { font-size: 14px; color: #b9d0f5; }
.crumb a { color: #b9d0f5; } .crumb a:hover { color: #fff; }
.banner h1 { margin-top: 10px; font-size: clamp(26px, 3vw, 40px); color: #fff; letter-spacing: 1px; }
.banner p { margin-top: 12px; font-size: 18px; color: #dce8fb; max-width: 760px; }

/* ---------- 页内锚点条 ---------- */
.subnav { position: sticky; top: var(--hd); z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.subnav ul { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: block; padding: 0 16px; line-height: 56px; font-size: 15px; color: var(--text); white-space: nowrap; border-bottom: 3px solid transparent; }
.subnav a:hover, .subnav a.on { color: var(--blue); border-bottom-color: var(--blue); }

/* ---------- 版块 ---------- */
.sec { padding: 96px 0; }
.sec--soft { background: var(--bg); }
.sec--dark { background: var(--navy); color: #c7d3e6; }
.sec--dark h2, .sec--dark h3 { color: #fff; }
.sec-hd { text-align: center; max-width: 820px; margin: 0 auto 48px; }
.sec-hd h2 { font-size: clamp(24px, 2.4vw, 34px); font-weight: 600; }
.sec-hd p { margin-top: 12px; font-size: 18px; color: var(--muted); }
.sec--dark .sec-hd p { color: #a9bbd6; }
.sec-ft { margin-top: 40px; text-align: center; }
.note { margin-top: 28px; text-align: center; font-size: 15px; color: var(--muted); }
.sec--dark .note { color: #a9bbd6; }
.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); } .g5 { grid-template-columns: repeat(5, 1fr); }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 卡片 ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); padding: 28px; transition: box-shadow .25s, transform .25s, border-color .25s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: #cfdcf0; }
.card h3 { font-size: 20px; }
.card p { margin-top: 10px; font-size: 15px; line-height: 1.75; }
.ico { width: 48px; height: 48px; border-radius: var(--r-l); background: var(--blue-bg); color: var(--blue); display: grid; place-items: center; margin-bottom: 18px; }
.dots { margin-top: 12px; display: grid; gap: 4px; }
.dots li { position: relative; padding-left: 16px; font-size: 15px; line-height: 1.7; }
.dots li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--blue); background: var(--blue-bg); border-radius: var(--r-s); padding: 2px 10px; line-height: 1.7; }
.chips { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font-size: 13px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-s); padding: 1px 10px; }

/* 三个业务入口 */
.card.entry { display: flex; flex-direction: column; padding: 0; overflow: hidden; color: var(--text); }
.entry:hover { color: var(--text); }
.entry-art { position: relative; height: 180px; overflow: hidden; color: #fff; }
.entry-art::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px); background-size: 28px 28px; }
.entry-art svg { position: absolute; right: 28px; top: 50%; width: 104px; height: 104px; margin-top: -52px; fill: none; stroke: #fff; stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round; opacity: .92; transition: transform .5s; }
.entry:hover .entry-art svg { transform: scale(1.08); }
.entry-art b { position: absolute; left: 28px; bottom: 22px; font-size: 14px; font-weight: 500; letter-spacing: 2px; opacity: .9; }
.art1 { background: linear-gradient(135deg, #0A2A5E, #0B57D0 70%, #5AA2FF); }
.art2 { background: linear-gradient(135deg, #0A1A33, #1D3F7A 70%, #4D7CC9); }
.art3 { background: linear-gradient(135deg, #0C4A5E, #0E7490 70%, #58B8CF); }
.entry-body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.entry-body p { flex: 1; }
.entry-body .link-more { margin-top: 18px; }

/* AI 能力卡：悬停整体变蓝 */
.cap { display: flex; flex-direction: column; color: var(--text); }
.cap .link-more { margin-top: auto; padding-top: 18px; }
.cap:hover { background: var(--blue); border-color: var(--blue); color: #e6efff; }
.cap:hover h3, .cap:hover .link-more { color: #fff; }
.cap:hover .ico { background: rgba(255, 255, 255, .16); color: #fff; }
.cap:hover .dots li::before { background: #fff; }

/* 九个环节 */
.flow { display: grid; grid-template-columns: repeat(9, 1fr); position: relative; }
.flow::before { content: ""; position: absolute; left: 5.5%; right: 5.5%; top: 31px; border-top: 2px dashed #c9d6ea; }
.flow li { position: relative; text-align: center; padding: 0 6px; }
.flow .n { width: 64px; height: 64px; margin: 0 auto; border-radius: 50%; background: #fff; border: 2px solid var(--cyan); color: var(--cyan); display: grid; place-items: center; font-size: 22px; font-weight: 700; font-family: Arial, sans-serif; }
.flow h3 { margin-top: 14px; font-size: 17px; }
.flow p { margin-top: 4px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.who { display: inline-block; margin-top: 8px; font-size: 12px; font-weight: 600; line-height: 22px; padding: 0 10px; border-radius: 11px; background: var(--cyan-bg); color: var(--cyan); }
.flow .by-author .n { background: var(--blue); border-color: var(--blue); color: #fff; }
.flow .by-author .who, .who--author { background: var(--blue-bg); color: var(--blue); }
.flow .by-editor .n { border-color: var(--amber); color: var(--amber); }
.flow .by-editor .who, .who--editor { background: var(--amber-bg); color: var(--amber); }
.legend { margin-top: 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; font-size: 14px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--cyan); }
.legend .l-author { background: var(--blue); border-color: var(--blue); } .legend .l-editor { border-color: var(--amber); }

/* 深色版块：发表支持流程 */
.split { display: grid; grid-template-columns: 380px 1fr; gap: 64px; align-items: center; }
.split h2 { font-size: clamp(24px, 2.4vw, 34px); font-weight: 600; position: relative; padding-left: 20px; }
.split h2::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 5px; background: var(--blue-l); border-radius: 3px; }
.split .lead { margin-top: 16px; font-size: 16px; color: #b9c8de; }
.split .chips span { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); color: #dbe6f6; }
.split .btn { margin-top: 28px; }
.steps { display: grid; gap: 12px; counter-reset: st; }
.steps li { counter-increment: st; display: flex; align-items: center; gap: 18px; padding: 16px 22px; border-radius: var(--r-l); background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .10); }
.steps li::before { content: counter(st, decimal-leading-zero); flex: none; font: 700 22px/1 Arial, sans-serif; color: var(--blue-l); width: 34px; }
.steps h3 { font-size: 17px; }
.steps p { font-size: 14px; color: #a9bbd6; line-height: 1.6; }
.steps .by-author { border-color: rgba(90, 162, 255, .55); background: rgba(90, 162, 255, .10); }
.steps--light li { background: #fff; border-color: var(--line); }
.steps--light li::before { color: var(--blue); }
.steps--light p { color: var(--muted); }
.steps--light .by-author { border-color: #b9d2f7; background: var(--blue-bg); }
.steps--row { grid-template-columns: repeat(5, 1fr); }
.steps--row li { flex-direction: column; align-items: flex-start; gap: 10px; padding: 24px 20px; }

/* 学术规范五项 */
.rule { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); padding: 26px 22px 24px; overflow: hidden; }
.rule::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--red); }
.rule .no { font: 700 30px/1 Arial, sans-serif; color: #dfe6f1; }
.rule h3 { margin-top: 12px; font-size: 17px; }
.rule p { margin-top: 8px; font-size: 14px; line-height: 1.7; color: var(--muted); }

/* 常见问题 */
.faq { max-width: 880px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); padding: 0 24px; }
.faq details[open] { border-color: #b9d2f7; box-shadow: var(--shadow); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; font-size: 17px; font-weight: 600; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; font-size: 24px; font-weight: 400; line-height: 1; color: var(--blue); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 20px; font-size: 15px; }

/* 咨询横幅 */
.cta { background: linear-gradient(120deg, #0A1A33, #0B3A8C 70%, #0B57D0); color: #fff; padding: 56px 0; }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta h2 { color: #fff; font-size: clamp(22px, 2.2vw, 28px); font-weight: 600; }
.cta p { margin-top: 6px; color: #cfdcf2; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 14px; flex: none; }

/* ---------- 页脚 ---------- */
.ft { background: var(--navy); color: #9fb0c9; font-size: 14px; }
.ft-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr 1.6fr; gap: 32px; padding: 56px 0 40px; }
.ft-brand img { height: 36px; width: auto; filter: brightness(0) invert(1); }
.ft-brand p { margin-top: 14px; line-height: 1.8; }
.ft h3 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.ft li { line-height: 2.1; }
.ft a { color: #9fb0c9; } .ft a:hover { color: #fff; }
.ft-contact b { color: #fff; font-weight: 600; }
.ft-btm { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0 22px; display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 13px; }

/* ---------- 悬浮咨询 ---------- */
/* 右侧悬浮咨询栏：沿用线上站的胶囊形式，颜色改为蓝色调 */
.fab { position: fixed; right: 0; top: 300px; z-index: 90; width: 108px; padding: 22px 6px 12px; border-radius: 54px; border: 1px solid rgba(255, 255, 255, .3); border-right: 0; text-align: center; color: #fff; background: linear-gradient(180deg, #1565E0 0%, var(--blue) 45%, var(--blue-d) 100%); box-shadow: 0 10px 28px rgba(8, 78, 174, .38); }
.fab-logo { height: 30px; width: auto; margin: 0 auto 14px; filter: brightness(0) invert(1); }
.fab-btn { display: flex; align-items: center; justify-content: center; gap: 5px; height: 32px; margin: 0 4px 12px; border: 1px solid #fff; border-radius: 16px; color: #fff; font-size: 15px; line-height: 1; transition: background .2s, color .2s; }
.fab-btn .icon { width: 15px; height: 15px; stroke-width: 2; }
.fab-btn:hover { background: #fff; color: var(--blue); }
.fab-tel { display: block; margin-top: 2px; color: #fff; line-height: 1.45; }
.fab-tel:hover { color: #fff; }
.fab-tel .icon { display: none; }
.fab-tel small { display: block; font-size: 13px; color: #cfe0ff; }
.fab-tel b { display: block; font-size: 13px; white-space: nowrap; }
.fab-top { position: relative; width: 100%; margin-top: 8px; padding: 16px 0 4px; font-size: 14px; color: #fff; opacity: .9; }
.fab-top::before { content: ""; position: absolute; left: 50%; top: 5px; margin-left: -6px; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 7px solid #fff; }
.fab-top:hover { opacity: 1; }
/* 屏幕较窄时收成只有图标的窄条，避免挡住正文 */
/* 悬浮栏与首屏右箭头错开 */
.hero-arrow.next { right: 132px; }
@media (max-width: 1399px) {
  .hero-arrow.next { right: 84px; }
  .fab { width: 56px; right: 8px; padding: 10px 7px 6px; border-radius: 28px; border-right: 1px solid rgba(255, 255, 255, .3); }
  .fab-logo, .fab-btn span, .fab-tel small, .fab-tel b, .fab-top span { display: none; }
  .fab-btn, .fab-tel { width: 40px; height: 40px; margin: 0 auto 8px; border-radius: 50%; }
  .fab-btn .icon, .fab-tel .icon { width: 18px; height: 18px; }
  .fab-tel { display: flex; align-items: center; justify-content: center; border: 1px solid #fff; }
  .fab-tel .icon { display: block; }
  .fab-tel:hover { background: #fff; color: var(--blue); }
  .fab-top { margin: 0; padding: 0; height: 26px; }
  .fab-top::before { top: 9px; }
}
.mbar { display: none; }

/* ---------- AI 页：能力介绍 ---------- */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.principles li { display: flex; gap: 14px; }
.principles .ico { margin: 0; }
.principles h3 { font-size: 17px; }
.principles p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-top: 2px; }
.prod { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; padding: 64px 0; border-bottom: 1px solid var(--line); }
.prod:first-child { padding-top: 0; } .prod:last-child { border-bottom: 0; padding-bottom: 0; }
.prod-info h2 { font-size: 28px; margin-top: 12px; }
.prod-info .scene { margin-top: 6px; font-size: 14px; color: var(--muted); }
.prod-info .intro { margin-top: 14px; }
.feat { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feat li { background: var(--bg); border-radius: var(--r-m); padding: 14px 16px; }
.sec--soft .feat li { background: #fff; border: 1px solid var(--line); }
.feat h4 { font-size: 16px; }
.feat p { font-size: 14px; line-height: 1.7; margin-top: 2px; }
.guard { margin-top: 20px; background: var(--red-bg); border: 1px solid var(--red-line); border-left: 3px solid var(--red); border-radius: var(--r-m); padding: 14px 18px; font-size: 14px; line-height: 1.75; color: #6b1a22; }
.guard b { display: block; color: var(--red); font-size: 13px; letter-spacing: 1px; }
.prod-info .link-more { margin-top: 20px; }
.prod-side { position: sticky; top: calc(var(--hd) + 80px); }
/* 界面示意 */
.mock { border-radius: var(--r-xl); background: linear-gradient(135deg, #2b7be6, #0B57D0 60%, #084EAE); padding: 22px; box-shadow: 0 24px 50px rgba(11, 87, 208, .22); }
.mock-win { background: #fff; border-radius: 10px; overflow: hidden; font-size: 13px; line-height: 1.6; color: var(--text); }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #f7f9fc; }
.mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: #d8dee7; }
.mock-bar b { margin-left: 8px; color: var(--ink); }
.mock-bar span { margin-left: auto; font-size: 12px; color: var(--muted); }
.mock-body { padding: 14px 16px 16px; }
.mock-q { background: var(--bg); border-radius: 6px; padding: 8px 10px; margin-bottom: 6px; }
.mock-q b { color: var(--ink); }
.mrow { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.mrow:last-child { border-bottom: 0; }
.mrow .nm { flex: 0 0 46%; color: var(--ink); }
.mrow .nm small { display: block; color: var(--muted); font-size: 12px; }
.meter { flex: 1; height: 6px; border-radius: 3px; background: #edf1f6; overflow: hidden; }
.meter s { display: block; height: 100%; background: linear-gradient(90deg, #5AA2FF, var(--blue)); }
.st { margin-left: auto; font-size: 12px; padding: 0 9px; border-radius: 10px; white-space: nowrap; }
.st--ok { color: #0f7b4a; background: #e7f5ee; } .st--warn { color: var(--amber); background: var(--amber-bg); } .st--info { color: var(--blue); background: var(--blue-bg); }
.mock-cols { display: grid; grid-template-columns: 38% 1fr; gap: 12px; }
.mock-tree li { padding: 5px 8px; border-radius: 5px; color: var(--ink); }
.mock-tree li.on { background: var(--blue-bg); color: var(--blue); font-weight: 600; }
.bubble { background: var(--blue-bg); border-radius: 10px 10px 10px 2px; padding: 8px 10px; margin-bottom: 8px; color: var(--ink); }
.bubble.me { background: var(--bg); border-radius: 10px 10px 2px 10px; }
.mock-tb { width: 100%; border-collapse: collapse; }
.mock-tb th, .mock-tb td { border: 1px solid var(--line); padding: 5px 8px; text-align: left; font-weight: 400; }
.mock-tb th { background: var(--bg); color: var(--ink); font-weight: 600; }
.mock-chart { margin-top: 10px; display: flex; align-items: flex-end; gap: 10px; height: 70px; padding: 0 6px; border-bottom: 1px solid var(--line); }
.mock-chart i { flex: 1; background: linear-gradient(180deg, #5AA2FF, var(--blue)); border-radius: 3px 3px 0 0; }
.mock-foot { margin-top: 10px; font-size: 12px; color: var(--muted); }
.mock-cap { margin-top: 12px; text-align: center; font-size: 12px; color: #dbe8fd; }

/* 三方职责 */
.role { border-top: 4px solid var(--cyan); }
.role .tag { background: var(--cyan-bg); color: var(--cyan); }
.role--author { border-top-color: var(--blue); background: var(--blue-bg); border-color: #b9d2f7; }
.role--author .tag { background: var(--blue); color: #fff; }
.role--editor { border-top-color: var(--amber); }
.role--editor .tag { background: var(--amber-bg); color: var(--amber); }
.role--editor .dots li::before { background: var(--amber); }
.role:not(.role--author):not(.role--editor) .dots li::before { background: var(--cyan); }
.role h3 { margin-top: 12px; }

/* 期刊类型 */
.jcard { border-top: 3px solid var(--blue); }
.jcard h3 { margin-top: 10px; }

/* 服务说明：速刊提供 / 作者本人完成 */
.svc { display: grid; grid-template-columns: 240px 1fr 320px; gap: 28px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.svc:last-child { border-bottom: 0; }
.svc h3 { font-size: 22px; padding-left: 14px; border-left: 4px solid var(--blue); line-height: 1.3; }
.svc h3 small { display: block; margin-top: 6px; font-size: 13px; font-weight: 400; color: var(--muted); }
.svc h4 { font-size: 13px; letter-spacing: 1px; color: var(--muted); font-weight: 600; margin-bottom: 6px; }
.svc .dots { margin-top: 0; }
.svc .dots b { color: var(--ink); }
.svc-author { background: var(--blue-bg); border-radius: var(--r-l); padding: 18px 20px; align-self: start; }
.svc-author h4 { color: var(--blue); }
.svc-author p { font-size: 15px; color: var(--ink); line-height: 1.75; }

/* “五不准”对照 */
.clauses { display: grid; gap: 16px; }
.clause-hd, .clause { display: grid; grid-template-columns: 260px 1fr 340px; }
.clause-hd { background: var(--navy); color: #fff; border-radius: var(--r-l); font-size: 15px; font-weight: 600; }
.clause-hd span { padding: 12px 24px; }
.clause { background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; }
.clause > div { padding: 24px; }
.clause-req { border-left: 3px solid var(--red); background: #fffafa; }
.clause-req .no { font: 700 34px/1 Arial, sans-serif; color: #f0c4c9; }
.clause-req small { display: block; margin-top: 10px; font-size: 13px; color: var(--red); }
.clause-req h3 { font-size: 18px; margin-top: 2px; }
.clause-do h4, .clause-give h4 { display: none; font-size: 13px; letter-spacing: 1px; color: var(--muted); margin-bottom: 6px; }
.clause-do p { font-size: 15px; }
.clause-give { background: var(--blue-bg); }
.clause-give li { position: relative; padding-left: 24px; font-size: 15px; color: var(--ink); line-height: 1.9; }
.clause-give li::before { content: "✓"; position: absolute; left: 2px; color: var(--blue); font-weight: 700; }

/* 分工表 */
.duty { display: grid; gap: 12px; }
.duty-hd, .duty-row { display: grid; grid-template-columns: 1fr 96px 1fr; align-items: stretch; }
.duty-hd span { text-align: center; font-weight: 600; font-size: 17px; color: var(--ink); padding-bottom: 4px; }
.duty-row > div { padding: 16px 20px; font-size: 15px; line-height: 1.7; display: flex; align-items: center; }
.duty-l { background: var(--blue-bg); border-radius: var(--r-l) 0 0 var(--r-l); color: var(--ink); }
.duty-r { background: #fff; border: 1px solid #b9d2f7; border-radius: 0 var(--r-l) var(--r-l) 0; color: var(--ink); }
.duty-row .duty-k { justify-content: center; background: var(--blue); color: #fff; font-weight: 600; padding: 0; }

/* 服务边界 */
.bounds { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bound { background: #fff; border: 1px solid var(--red-line); border-radius: var(--r-l); padding: 18px 22px 18px 20px; border-left: 3px solid var(--red); }
.bound h3 { font-size: 17px; }
.bound--tip { border-color: #b9d2f7; border-left-color: var(--blue); background: var(--blue-bg); }
.bound p { font-size: 15px; line-height: 1.75; margin-top: 4px; }

/* 规范依据 */
.refs { max-width: 880px; margin: 0 auto; }
.refs li { padding: 16px 0 16px 34px; border-bottom: 1px solid var(--line); position: relative; color: var(--ink); }
.refs li::before { content: "§"; position: absolute; left: 6px; color: var(--blue); font-weight: 700; }
.refs small { display: block; font-size: 13px; color: var(--muted); }

/* ---------- 文字页 ---------- */
.doc { display: grid; grid-template-columns: 240px minmax(0, 880px); gap: 48px; justify-content: center; padding: 56px 24px 88px; }
.doc-nav { position: sticky; top: calc(var(--hd) + 24px); align-self: start; border: 1px solid var(--line); border-radius: var(--r-l); padding: 10px; }
.doc-nav a { display: block; padding: 10px 16px; border-radius: var(--r-m); color: var(--text); font-size: 15px; }
.doc-nav a:hover { background: var(--bg); color: var(--blue); }
.doc-nav a.on { background: var(--blue-bg); color: var(--blue); font-weight: 600; }
.doc-body > section { margin-bottom: 40px; }
.doc-body h2 { font-size: 22px; padding-left: 12px; border-left: 4px solid var(--blue); line-height: 1.3; margin-bottom: 14px; }
.doc-body p { margin-bottom: 8px; }
.doc-body p b, .doc-body li b { color: var(--ink); }
.doc-body .dots li { font-size: 16px; line-height: 1.9; }
.doc-body .dots li::before { top: 13px; }
.warn { background: var(--red-bg); border: 1px solid var(--red-line); border-left: 3px solid var(--red); border-radius: var(--r-m); padding: 14px 20px; color: #6b1a22; margin-bottom: 32px; }
.acct { border: 1px solid var(--line); border-radius: var(--r-l); padding: 18px 24px; background: var(--bg); margin-bottom: 14px; }
.acct p { margin: 0; line-height: 2; }
.acct .num { font-family: Consolas, Menlo, monospace; font-size: 17px; color: var(--ink); letter-spacing: 1px; user-select: all; }
.timeline li { position: relative; padding: 0 0 18px 26px; border-left: 2px solid var(--line); margin-left: 6px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--blue); }
.timeline b { display: block; color: var(--blue); }
.license { border: 1px solid var(--line); border-radius: var(--r-l); }

/* ---------- 404 ---------- */
.nf { padding: calc(var(--hd) + 96px) 0 120px; text-align: center; background: var(--bg); }
.nf h1 { font: 700 96px/1 Arial, sans-serif; color: var(--blue); }
.nf p { font-size: 18px; margin-top: 12px; }
.nf .hero-btns { justify-content: center; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .brand-slogan { display: none; }
  .nav > ul > li > a { padding: 0 12px; font-size: 15px; }
  .ft-top { grid-template-columns: repeat(3, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .flow::before { display: none; }
  .steps--row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  :root { --hd: 60px; }
  .sec { padding: 64px 0; }
  .g4, .g5 { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .prod { grid-template-columns: 1fr; gap: 28px; }
  .prod-side { position: static; }
  .svc { grid-template-columns: 1fr; gap: 16px; }
  .clause-hd { display: none; }
  .clause { grid-template-columns: 1fr; }
  .clause-do h4, .clause-give h4 { display: block; }
  .doc { grid-template-columns: 1fr; gap: 24px; padding-top: 0; }
  .doc-nav { position: sticky; top: var(--hd); z-index: 40; display: flex; overflow-x: auto; background: #fff; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; margin: 0 -24px; padding: 8px 16px; scrollbar-width: none; }
  .doc-nav::-webkit-scrollbar { display: none; }
  .doc-nav a { white-space: nowrap; }
  /* 手机导航 */
  .brand-slogan { display: block; font-size: 12px; }
  .nav-toggle { display: grid; gap: 5px; margin-left: auto; width: 44px; height: 44px; place-content: center; }
  .nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 1px; transition: transform .3s, opacity .3s; }
  .hd--clear .nav-toggle span { background: #fff; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav { position: fixed; top: var(--hd); right: 0; bottom: 0; width: min(84vw, 340px); height: auto; margin: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 8px 20px 96px; overflow-y: auto; transform: translateX(100%); transition: transform .3s; box-shadow: -12px 0 30px rgba(10, 26, 51, .12); visibility: hidden; }
  .nav-open .nav { transform: none; visibility: visible; }
  .nav > ul { flex-direction: column; height: auto; }
  .nav > ul > li { flex-wrap: wrap; border-bottom: 1px solid var(--line); }
  .nav > ul > li > a, .hd--clear .nav > ul > li > a { flex: 1; height: 52px; padding: 0 4px; font-size: 16px; color: var(--ink); }
  .nav > ul > li.on > a, .hd--clear .nav > ul > li.on > a { color: var(--blue); }
  .nav > ul > li.on > a::after { display: none; }
  .sub-toggle { display: grid; place-items: center; width: 44px; height: 52px; color: var(--muted); }
  .sub-toggle::before { content: ""; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .2s; }
  .open > .sub-toggle::before { transform: rotate(-135deg); }
  .sub, .nav li:hover > .sub, .nav li:focus-within > .sub { display: none; position: static; transform: none; width: 100%; box-shadow: none; padding: 0 0 10px 8px; min-width: 0; }
  .nav li.open > .sub { display: block; }
  .nav-cta, .hd--clear .nav-cta { margin: 20px 0 0; height: 48px; background: var(--blue); color: #fff; }
  .nav-mask { position: fixed; inset: var(--hd) 0 0 0; background: rgba(10, 26, 51, .45); z-index: 99; opacity: 0; pointer-events: none; transition: opacity .3s; }
  .nav-open .nav-mask { opacity: 1; pointer-events: auto; }
}
@media (max-width: 768px) {
  body { padding-bottom: 60px; }
  .wrap { padding: 0 16px; }
  .sec { padding: 48px 0; }
  .sec-hd { margin-bottom: 32px; }
  .sec-hd p, .banner p { font-size: 16px; }
  .g2, .g3 { grid-template-columns: 1fr; }
  .grid { gap: 16px; }
  .card { padding: 22px; }
  .hero { height: 540px; min-height: 0; }
  .hero-shade { background: linear-gradient(0deg, rgba(5, 14, 34, .88) 0%, rgba(5, 14, 34, .55) 55%, rgba(5, 14, 34, .15) 100%); }
  .hero-copy { justify-content: flex-end; padding-bottom: 64px; }
  .hero-btns { margin-top: 22px; gap: 10px; }
  .hero-btns .btn { height: 44px; padding: 0 18px; font-size: 15px; }
  .hero-trust { margin-top: 16px; font-size: 13px; }
  .hero-arrow { display: none; }
  .hero-dot { width: 44px; }
  .banner { padding: calc(var(--hd) + 32px) 0 36px; }
  .flow { grid-template-columns: 1fr; row-gap: 0; }
  .flow li { display: grid; grid-template-columns: 48px 1fr auto; column-gap: 14px; align-items: center; text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .flow .n { width: 44px; height: 44px; font-size: 17px; grid-row: 1 / 3; }
  .flow h3 { margin: 0; } .flow p { grid-column: 2; margin: 0; }
  .who { grid-column: 3; grid-row: 1 / 3; margin: 0; }
  .steps--row { grid-template-columns: 1fr; }
  .steps--row li { flex-direction: row; align-items: center; padding: 16px 18px; }
  .cta .wrap { flex-direction: column; align-items: flex-start; }
  .principles, .feat, .bounds { grid-template-columns: 1fr; }
  .prod { padding: 40px 0; }
  .prod-info h3 { font-size: 24px; }
  .mock { padding: 12px; }
  .mock-cols { grid-template-columns: 1fr; }
  .duty-hd { display: none; }
  .duty-row { grid-template-columns: 1fr; }
  .duty-row .duty-k { order: -1; padding: 6px 16px; justify-content: flex-start; border-radius: var(--r-l) var(--r-l) 0 0; }
  .duty-l { border-radius: 0; } .duty-r { border-radius: 0 0 var(--r-l) var(--r-l); }
  .duty-l::before { content: "速刊提供："; font-weight: 600; color: var(--blue); flex: none; }
  .duty-r::before { content: "作者本人："; font-weight: 600; color: var(--blue); flex: none; }
  .clause > div { padding: 18px; }
  .doc { padding: 0 16px 56px; }
  .doc-nav { margin: 0 -16px; }
  .ft-top { grid-template-columns: 1fr 1fr; gap: 24px; padding: 40px 0 28px; }
  .ft-brand, .ft-contact { grid-column: 1 / -1; }
  .fab { display: none; }
  .mbar { display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgba(10, 26, 51, .08); }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 8px; height: 60px; font-size: 16px; font-weight: 600; color: var(--blue); }
  .mbar a + a { background: var(--blue); color: #fff; }
  .mbar .icon { width: 20px; height: 20px; }
  .nf h1 { font-size: 72px; }
}
@media (max-width: 600px) {
  .g4, .g5 { grid-template-columns: 1fr; }
  .ft-top { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .js .reveal { opacity: 1; transform: none; }
}
@media print {
  .hd, .fab, .mbar, .subnav, .cta, .hero-arrow, .hero-dots { display: none !important; }
  .banner { padding-top: 24px; }
}

/* ==================== 第二版新增：导航工具区、服务清单、期刊大全、表单、知识库 ==================== */
.nav > ul > li > a { padding: 0 13px; font-size: 15px; }
.nav > ul > li.on > a::after { left: 13px; right: 13px; }
.sub a small { display: block; font-size: 12px; color: var(--muted); line-height: 1.4; font-weight: 400; }
.hd-tools { display: flex; align-items: center; gap: 10px; margin-left: 18px; }
.hd-tools .btn { height: 36px; padding: 0 14px; font-size: 14px; }
.hd-acct { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-left: 4px; white-space: nowrap; }
.hd-acct a { color: var(--ink); } .hd-acct a:hover { color: var(--blue); }
.hd-acct i { width: 1px; height: 12px; background: #c9d2df; }
.hd--clear .hd-tools .btn--primary { background: #fff; color: var(--blue); }
.hd--clear .hd-tools .btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .7); color: #fff; }
.hd--clear .hd-acct a { color: #fff; } .hd--clear .hd-acct i { background: rgba(255, 255, 255, .5); }
@media (min-width: 1025px) and (max-width: 1340px) { .brand-slogan { display: none; } }

/* 客户类型标签 */
.aud { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; padding: 2px 10px; border-radius: 12px; background: var(--blue-bg); color: var(--blue); }
.aud--org { background: var(--amber-bg); color: var(--amber); }

/* 四大业务卡片 */
.biz { display: flex; flex-direction: column; color: var(--text); border-top: 3px solid var(--blue); }
.biz--org { border-top-color: var(--amber); }
.biz h3 { margin-top: 14px; font-size: 24px; }
.biz .sub-t { font-size: 15px; color: var(--muted); margin-top: 2px; }
.biz .cnt { margin-top: 14px; font: 700 15px/1 Arial, sans-serif; color: var(--blue); }
.biz--org .cnt { color: var(--amber); }
.biz .dots { margin-bottom: 18px; }
.biz .link-more { margin-top: auto; }
.biz:hover { color: var(--text); }

/* 流程：8 步 */
.flow--8 { grid-template-columns: repeat(8, 1fr); }
.flow--8 p b { display: block; color: var(--blue); font-weight: 600; margin-top: 4px; }

/* 服务清单（可展开） */
.svs { display: grid; gap: 12px; }
.sv { background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); }
.sv[open] { border-color: #b9d2f7; box-shadow: var(--shadow); }
.sv summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 56px 270px 1fr 24px; align-items: center; gap: 16px; padding: 18px 24px; }
.sv summary::-webkit-details-marker { display: none; }
.sv summary::after { content: "+"; font-size: 24px; color: var(--blue); line-height: 1; text-align: center; }
.sv[open] summary::after { content: "−"; }
.sv-code { font: 700 15px/1 Arial, sans-serif; color: var(--blue); background: var(--blue-bg); border-radius: var(--r-s); padding: 7px 0; text-align: center; }
.sv-name { font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.sv-tag { display: inline-block; margin-left: 8px; font-size: 12px; font-weight: 600; color: var(--amber); background: var(--amber-bg); padding: 0 8px; border-radius: 10px; line-height: 20px; vertical-align: 2px; }
.sv-intro { font-size: 15px; color: var(--muted); line-height: 1.6; }
.sv-body { padding: 0 24px 24px; border-top: 1px solid var(--line); }
.sv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
.sv-grid > div { background: var(--bg); border-radius: var(--r-m); padding: 14px 16px; }
.sv-grid dt { font-size: 13px; font-weight: 600; letter-spacing: 1px; color: var(--muted); margin-bottom: 2px; }
.sv-grid dd { font-size: 15px; line-height: 1.75; color: var(--ink); }
.sv-grid .sv-ai { background: var(--cyan-bg); } .sv-ai dt { color: var(--cyan); }
.sv-grid .sv-ed { background: var(--amber-bg); } .sv-ed dt { color: var(--amber); }
.sv-grid .sv-own { background: var(--blue-bg); } .sv-own dt { color: var(--blue); }
.sv-grid .sv-bound { background: var(--red-bg); border-left: 3px solid var(--red); } .sv-bound dt { color: var(--red); }
.sv-wide { grid-column: 1 / -1; }
.sv-steps { display: flex; flex-wrap: wrap; gap: 8px 0; align-items: center; }
.sv-steps span { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1px 14px; font-size: 14px; }
.sv-steps span + span { margin-left: 28px; position: relative; }
.sv-steps span + span::before { content: "→"; position: absolute; left: -22px; color: var(--blue); }
.sv-note { margin-top: 14px; font-size: 14px; color: var(--muted); padding-left: 14px; border-left: 3px solid var(--line); }

/* 通用表格 */
.tb-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-l); background: #fff; }
.tb { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 640px; }
.tb th { background: var(--navy); color: #fff; text-align: left; padding: 12px 18px; font-weight: 600; white-space: nowrap; }
.tb td { padding: 14px 18px; border-top: 1px solid var(--line); vertical-align: top; line-height: 1.7; }
.tb td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; }

/* 提示框 */
.info { background: var(--blue-bg); border: 1px solid #b9d2f7; border-left: 3px solid var(--blue); border-radius: var(--r-m); padding: 14px 20px; color: var(--ink); font-size: 15px; }
.info b { color: var(--blue); }
.proto { display: inline-block; font-size: 12px; font-weight: 600; color: var(--amber); background: var(--amber-bg); border-radius: 10px; padding: 0 10px; line-height: 22px; }

/* 期刊大全：检索示意 */
.jsearch { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); padding: 28px; box-shadow: var(--shadow); }
.jsearch-bar { display: flex; gap: 10px; }
.jsearch-bar input { flex: 1; font: inherit; font-size: 16px; padding: 0 16px; height: 52px; border: 1px solid #cfd8e6; border-radius: var(--r-m); color: var(--ink); min-width: 0; }
.jsearch-bar .btn { height: 52px; }
.jfilters { margin-top: 18px; display: grid; gap: 10px; }
.jfilters > div { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; }
.jfilters b { flex: 0 0 92px; color: var(--ink); }
.jfilters span { border: 1px solid var(--line); border-radius: 16px; padding: 1px 12px; color: var(--text); background: var(--bg); }
.jfilters span.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.jpath { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px 0; font-size: 14px; color: var(--muted); }
.jpath span + span::before { content: "→"; margin: 0 10px; color: var(--blue); }

/* 表单与工具页 */
.tool { display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); padding: 32px; }
.form-card h2 { font-size: 22px; margin-bottom: 6px; }
.form-card > p { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: grid; gap: 6px; align-content: start; }
.field--wide { grid-column: 1 / -1; }
.field label, .field .lbl { font-size: 14px; font-weight: 600; color: var(--ink); }
.field em { color: var(--red); font-style: normal; }
.field input[type=text], .field input[type=tel], .field input[type=email], .field input[type=password], .field select, .field textarea {
  font: inherit; font-size: 15px; padding: 10px 12px; border: 1px solid #cfd8e6; border-radius: var(--r-m); background: #fff; color: var(--ink); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); outline: 3px solid rgba(90, 162, 255, .35); }
.field textarea { min-height: 150px; resize: vertical; }
.field small { font-size: 13px; color: var(--muted); line-height: 1.6; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; }
.checks label { font-weight: 400; display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--line); border-radius: 20px; padding: 3px 14px; cursor: pointer; font-size: 14px; }
.form-foot { margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form-foot small { font-size: 13px; color: var(--muted); flex: 1; min-width: 200px; }
.form-msg { display: none; margin-top: 18px; }
.form-msg.show { display: block; }
.side-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-xl); padding: 28px; }
.side-card + .side-card { margin-top: 20px; }
.side-card h3 { font-size: 18px; margin-bottom: 8px; }
.side-card .dots li { font-size: 15px; }
.auth { max-width: 460px; margin: 0 auto; }
.auth .form-grid { grid-template-columns: 1fr; }
.auth .btn { width: 100%; }
.auth-alt { margin-top: 18px; text-align: center; font-size: 14px; color: var(--muted); }

/* 知识库 */
.kb-group { max-width: 880px; margin: 0 auto 40px; }
.kb-group > h2 { font-size: 22px; margin-bottom: 14px; padding-left: 12px; border-left: 4px solid var(--blue); line-height: 1.3; }
.kb { display: grid; gap: 12px; max-width: none; }
.kb details > div { padding: 0 0 20px; font-size: 15px; }
.kb details p { padding: 0 0 8px; }
.kb details .dots { margin: 0 0 8px; }
.kb details .dots b { color: var(--ink); }
.kb-meta { font-size: 13px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; margin-top: 6px; }

/* 机构筛查三类结果 */
.outcome { border-top: 3px solid var(--cyan); }
.outcome--warn { border-top-color: var(--amber); } .outcome--flag { border-top-color: var(--red); }

@media (max-width: 1180px) { .flow--8 { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 1024px) {
  .hd-tools { flex-direction: column; align-items: stretch; gap: 10px; margin: 20px 0 0; }
  .hd-tools .btn, .hd--clear .hd-tools .btn { height: 48px; font-size: 16px; }
  .hd--clear .hd-tools .btn--primary { background: var(--blue); color: #fff; }
  .hd--clear .hd-tools .btn--ghost { background: #fff; border-color: var(--blue); color: var(--blue); }
  .hd-acct, .hd--clear .hd-acct { justify-content: center; margin: 8px 0 0; font-size: 15px; }
  .hd--clear .hd-acct a { color: var(--ink); } .hd--clear .hd-acct i { background: #c9d2df; }
  .sub a small { display: none; }
  .tool { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .flow--8 { grid-template-columns: 1fr; }
  .flow--8 p b { display: inline; margin-left: 4px; }
  .sv summary { grid-template-columns: 48px 1fr 24px; padding: 16px; gap: 6px 12px; }
  .sv-intro { grid-column: 1 / -1; }
  .sv-body { padding: 0 16px 16px; }
  .sv-grid { grid-template-columns: 1fr; }
  .sv-steps span + span { margin-left: 22px; } .sv-steps span + span::before { left: -18px; }
  .form-card, .side-card, .jsearch { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .jsearch-bar { flex-direction: column; }
  .jfilters b { flex-basis: 100%; }
}

/* 深色版块里的卡片 */
.sec--dark .card { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .12); color: #a9bbd6; }
.sec--dark .card:hover { border-color: rgba(255, 255, 255, .3); box-shadow: none; }
.sec--dark .card h3 { color: #fff; }
.sec--dark .card p { color: #a9bbd6; }
.sec--dark .dots li { color: #c7d3e6; }
.sec--dark .card .tag { background: rgba(90, 162, 255, .18); color: #bcd6fa; }
.card .tag + h3, .card .aud + h3, .sec-hd .aud + h2 { margin-top: 12px; }
.steps--4 { grid-template-columns: repeat(4, 1fr); }
.steps--6 { grid-template-columns: repeat(6, 1fr); }
.mt24 { margin-top: 24px; }
.sec-ft .btn + .btn { margin-left: 12px; }
.form-card .proto + h2 { margin-top: 10px; }
.form-card em.req { color: var(--red); font-style: normal; }
.side-card p { font-size: 15px; }
.jsearch-bar { flex-wrap: wrap; }
.jsearch-bar .form-msg { flex-basis: 100%; margin-top: 4px; }
.jpath--center { justify-content: center; margin-top: 32px; }
.doc-body .info { margin-bottom: 32px; }
.doc-body .grid { margin-top: 16px; }
@media (max-width: 1180px) { .steps--4, .steps--6 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .steps--4, .steps--6 { grid-template-columns: 1fr; } .sec-ft .btn + .btn { margin: 12px 0 0; } }

/* 窄屏防溢出 */
.kb-group, .faq, .svs, .tb-wrap { min-width: 0; }
.faq details, .sv { min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 768px) {
  .kb-group { margin-bottom: 28px; }
  .faq summary { font-size: 16px; }
}

/* ==================== 首页：坚守学术规范 + 守住服务边界 ==================== */
.norms { position: relative; overflow: hidden; color: #dce8fb; background: linear-gradient(120deg, #0A1A33 0%, #0B3A8C 70%, #0B57D0 100%); }
.norms::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .12) 1px, transparent 1.6px); background-size: 22px 22px; -webkit-mask-image: linear-gradient(100deg, transparent 35%, #000 100%); mask-image: linear-gradient(100deg, transparent 35%, #000 100%); }
.norms .wrap { position: relative; }
.norms .sec-hd h2 { color: #fff; }
.norms .sec-hd h2::after { content: ""; display: block; width: 48px; height: 3px; margin: 14px auto 0; background: var(--red); border-radius: 2px; }
.norms .sec-hd p { color: #cfdcf2; }
.norm-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
.norm-ring { width: 124px; height: 124px; margin: 0 auto; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .6); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; transition: background .3s, color .3s, transform .3s; }
.norm-ring .icon { width: 30px; height: 30px; }
.norm-ring b { font-size: 20px; letter-spacing: 3px; padding-left: 3px; }
.norm-list li:hover .norm-ring { background: #fff; color: var(--blue); transform: translateY(-4px); }
.norm-list h3 { margin-top: 20px; font-size: 20px; color: #fff; }
.norm-list p { margin-top: 6px; font-size: 14px; color: #cfdcf2; line-height: 1.7; }

.vs { max-width: 1080px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow); }
.vs-hd, .vs-row { display: grid; grid-template-columns: 1fr 96px 1fr; }
.vs-hd { align-items: center; height: 64px; color: #fff; font-size: 20px; font-weight: 600; text-align: center; background: linear-gradient(90deg, var(--blue) 0, var(--blue) 50%, var(--red) 50%, var(--red) 100%); }
.vs-hd i { width: 52px; height: 52px; margin: 0 auto; border-radius: 50%; background: #fff; color: var(--ink); font: italic 800 20px/52px Arial, sans-serif; box-shadow: 0 2px 10px rgba(10, 26, 51, .25); }
.vs-row { border-top: 1px solid var(--line); }
.vs-l, .vs-r { position: relative; display: flex; align-items: center; padding: 18px 24px 18px 58px; font-size: 15px; line-height: 1.7; color: var(--ink); }
.vs-l::before, .vs-r::before { position: absolute; left: 22px; top: 50%; margin-top: -12px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 700; }
.vs-l::before { content: "\2713"; background: var(--blue-bg); color: var(--blue); }
.vs-r { background: var(--red-bg); }
.vs-r::before { content: "\2715"; background: #fff; color: var(--red); border: 1px solid var(--red-line); }
.vs-k { display: grid; place-items: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.vs-k span { font-size: 14px; font-weight: 600; color: #fff; background: var(--navy); border-radius: 14px; padding: 2px 16px; white-space: nowrap; }
@media (max-width: 1024px) {
  .norm-list { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
}
@media (max-width: 768px) {
  .norm-list { grid-template-columns: 1fr; row-gap: 0; text-align: left; }
  .norm-list li { display: grid; grid-template-columns: 76px 1fr; column-gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
  .norm-list li:last-child { border-bottom: 0; }
  .norm-ring { width: 76px; height: 76px; gap: 2px; grid-row: 1 / 3; }
  .norm-ring .icon { width: 20px; height: 20px; }
  .norm-ring b { font-size: 15px; letter-spacing: 1px; padding-left: 1px; }
  .norm-list h3 { margin: 0; font-size: 18px; align-self: end; }
  .norm-list p { margin: 0; align-self: start; }
  .vs-hd { grid-template-columns: 1fr 44px 1fr; height: 52px; font-size: 15px; }
  .vs-hd i { width: 40px; height: 40px; font-size: 15px; line-height: 40px; }
  .vs-row { grid-template-columns: 1fr; }
  .vs-k { order: -1; justify-items: start; padding: 10px 16px 0; border: 0; }
  .vs-l, .vs-r { padding: 12px 16px 12px 50px; }
  .vs-l::before, .vs-r::before { left: 16px; }
}

/* ==================== 首页：学术资讯（三栏：两张封面卡 + 一张列表卡） ==================== */
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { position: relative; display: flex; flex-direction: column; height: 444px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; color: var(--text); transition: box-shadow .25s, transform .25s; }
a.news-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); color: var(--text); }
.news-tag { position: absolute; left: 0; top: 0; z-index: 2; min-width: 112px; padding: 0 16px; line-height: 38px; text-align: center; font-size: 15px; font-weight: 600; color: #fff; background: rgba(10, 26, 51, .72); border-radius: 12px 0 20px 0; }
.news-cover { position: relative; flex: none; height: 236px; overflow: hidden; color: #fff; }
.news-cover::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px); background-size: 28px 28px; }
.news-cover svg { position: absolute; right: 30px; top: 50%; width: 104px; height: 104px; margin-top: -44px; fill: none; stroke: #fff; stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round; opacity: .9; transition: transform .5s; }
a.news-card:hover .news-cover svg { transform: scale(1.08); }
.news-cover b { position: absolute; left: 24px; bottom: 24px; font-size: 24px; letter-spacing: 3px; }
.news-cover i { position: absolute; left: 25px; bottom: 66px; font-style: normal; font-size: 14px; letter-spacing: 2px; opacity: .9; }
.news-card h3 { padding: 18px 22px 0; font-size: 18px; line-height: 1.5; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.news-meta { padding: 4px 22px 0; font-size: 14px; color: var(--muted); }
.news-sum { padding: 10px 22px 0; font-size: 14px; line-height: 1.75; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.news-list { padding-top: 40px; }
.news-list ul { flex: 1; overflow-y: auto; }
.news-list li a { display: block; padding: 14px 22px; border-bottom: 1px solid var(--line); color: var(--ink); }
.news-list li:last-child a { border-bottom: 0; }
.news-list li b { display: block; font-size: 16px; font-weight: 600; line-height: 1.55; }
.news-list li span { font-size: 13px; color: var(--muted); }
.news-list li a:hover b { color: var(--blue); }
@media (max-width: 1024px) {
  .news { grid-template-columns: 1fr 1fr; }
  .news-list { grid-column: 1 / -1; height: auto; }
  .news-list ul { overflow: visible; }
}
@media (max-width: 768px) {
  .news { grid-template-columns: 1fr; gap: 16px; }
  .news-card { height: auto; padding-bottom: 20px; }
  .news-list { grid-column: auto; padding-bottom: 0; }
  .news-cover { height: 180px; }
}

/* ==================== 导航栏悬停（仅电脑端） ==================== */
@media (min-width: 1025px) {
  .nav > ul > li > a { transition: color .2s, background-color .2s; }
  .nav > ul > li > a::after, .nav > ul > li.on > a::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--blue); transform: scaleX(0); transition: transform .25s ease; }
  .nav > ul > li.on > a::after, .nav > ul > li:hover > a::after, .nav > ul > li:focus-within > a::after { transform: scaleX(1); }
  .nav > ul > li:hover > a, .nav > ul > li:focus-within > a { color: var(--blue); background-color: rgba(11, 87, 208, .07); }
  /* 透明页头（叠在首屏或横幅上）时的悬停 */
  .hd--clear .nav > ul > li > a::after { background: #fff; }
  .hd--clear .nav > ul > li:hover > a, .hd--clear .nav > ul > li:focus-within > a { color: #fff; background-color: rgba(255, 255, 255, .14); }
  /* 下拉菜单：淡入并轻微下滑 */
  .nav li:hover > .sub, .nav li:focus-within > .sub { animation: subIn .18s ease-out; }
  .sub a { transition: background-color .15s, color .15s, padding-left .15s; }
  .sub a:hover { padding-left: 18px; }
  .sub a:hover small { color: var(--blue); }
  /* 右上角：按钮与登录注册 */
  .hd-tools .btn { transition: background-color .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s; }
  .hd-tools .btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(11, 87, 208, .25); }
  .hd--clear .hd-tools .btn--primary:hover { background: var(--blue-bg); color: var(--blue-d); }
  .hd--clear .hd-tools .btn--ghost:hover { background: rgba(255, 255, 255, .16); border-color: #fff; color: #fff; }
  .hd-acct a { position: relative; transition: color .2s; }
  .hd-acct a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 2px; background: currentColor; transform: scaleX(0); transition: transform .2s; }
  .hd-acct a:hover::after { transform: scaleX(1); }
  .hd--clear .hd-acct a:hover { color: #fff; }
  .brand:hover img { opacity: .85; }
}
@keyframes subIn { from { opacity: 0; transform: translate(-50%, -6px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ==================== 第六次修改 ==================== */
/* 导航：在线咨询高亮 */
.nav > ul > li.nav-chat { margin-left: 8px; }
.nav > ul > li.nav-chat > a, .hd--clear .nav > ul > li.nav-chat > a { height: 36px; padding: 0 16px; gap: 6px; border-radius: 18px; color: #fff; font-weight: 600; background: linear-gradient(135deg, #E8434F, #CE2031); animation: chatPulse 2.4s infinite; transition: transform .2s, filter .2s; }
.nav-chat .icon { width: 16px; height: 16px; stroke-width: 2; }
.nav > ul > li.nav-chat > a::after { display: none; }
.nav > ul > li.nav-chat:hover > a, .nav > ul > li.nav-chat:focus-within > a, .hd--clear .nav > ul > li.nav-chat:hover > a, .hd--clear .nav > ul > li.nav-chat:focus-within > a { color: #fff; background: linear-gradient(135deg, #D7303C, #B5121F); transform: translateY(-1px); }
@keyframes chatPulse {
  0% { box-shadow: 0 4px 12px rgba(206, 32, 49, .35), 0 0 0 0 rgba(232, 67, 79, .55); }
  70% { box-shadow: 0 4px 12px rgba(206, 32, 49, .35), 0 0 0 9px rgba(232, 67, 79, 0); }
  100% { box-shadow: 0 4px 12px rgba(206, 32, 49, .35), 0 0 0 0 rgba(232, 67, 79, 0); }
}
@media (min-width: 1025px) and (max-width: 1220px) {
  .nav > ul > li > a { padding: 0 8px; font-size: 14px; }
  .nav > ul > li > a::after, .nav > ul > li.on > a::after { left: 8px; right: 8px; }
  .nav > ul > li.nav-chat { margin-left: 4px; }
  .nav > ul > li.nav-chat > a, .hd--clear .nav > ul > li.nav-chat > a { padding: 0 12px; }
  .hd-tools { margin-left: 10px; gap: 6px; }
  .hd-tools .btn { padding: 0 10px; font-size: 13px; }
  .hd-acct { gap: 6px; font-size: 13px; margin-left: 0; }
}
@media (max-width: 1024px) {
  .nav > ul > li.nav-chat { margin: 16px 0 0; border-bottom: 0; }
  .nav > ul > li.nav-chat > a, .hd--clear .nav > ul > li.nav-chat > a { height: 48px; justify-content: center; border-radius: var(--r-m); font-size: 16px; color: #fff; animation: none; }
  .hd-tools { margin-top: 10px; }
}

/* 四大业务：底部一句话不换行 */
.biz .link-more { white-space: nowrap; }

/* 首页 AI选刊 区域（沿用期刊大全的卡片样式） */
.jsearch-bar--xk { align-items: stretch; }
.jsearch-bar textarea { flex: 1; min-width: 0; height: 112px; font: inherit; font-size: 16px; line-height: 1.7; padding: 12px 16px; border: 1px solid #cfd8e6; border-radius: var(--r-m); color: var(--ink); resize: none; }
.jsearch-bar textarea:focus, .jsearch-bar input:focus { border-color: var(--blue); outline: 3px solid rgba(90, 162, 255, .35); }
.jsearch-bar--xk .btn { height: auto; min-height: 52px; padding: 0 30px; }
.biz .aud { align-self: flex-start; }

/* ==================== 第七次修改：表单规范 + 分步评估页 ==================== */
:root { --ctl: #8793A6; --ctl-soft: #CFD8E6; }

/* ---- 通用表单字段（AI选刊、登录、注册等页面共用） ---- */
.field { gap: 8px; }
.field label, .field .lbl { font-size: 16px; }
.field input[type=text], .field input[type=tel], .field input[type=email], .field input[type=password], .field select, .field textarea, .ctl {
  width: 100%; height: 52px; padding: 0 16px; font: inherit; font-size: 16px; color: var(--ink);
  background-color: #fff; border: 1px solid var(--ctl); border-radius: var(--r-m); transition: border-color .15s, box-shadow .15s;
}
.field textarea, textarea.ctl { height: auto; min-height: 160px; padding: 14px 16px; line-height: 1.7; resize: vertical; }
textarea.ctl { min-height: 0; }
.field select { -webkit-appearance: none; appearance: none; padding-right: 44px; background-repeat: no-repeat; background-position: right 14px center; background-size: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); }
.field input::placeholder, .field textarea::placeholder, .ctl::placeholder { color: var(--muted); }
.field input:focus, .field select:focus, .field textarea:focus, .ctl:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 3px rgba(11, 87, 208, .25); }
.field small { font-size: 14px; }
.form-grid { gap: 24px 20px; }
.checks { gap: 12px; }
.checks label { min-height: 48px; padding: 0 18px; gap: 10px; border: 1px solid var(--ctl-soft); border-radius: var(--r-l); background: #fff; font-size: 16px; color: var(--ink); transition: border-color .15s, background-color .15s; }
.checks label:hover { border-color: var(--blue); background: var(--bg); }
.checks label:has(input:checked) { border-color: var(--blue); box-shadow: inset 0 0 0 1px var(--blue); background: var(--blue-bg); color: var(--blue-d); font-weight: 600; }
.checks input { width: 18px; height: 18px; accent-color: var(--blue); }
.form-foot .btn { height: 52px; min-width: 160px; font-size: 17px; }

/* ---- 分步表单 ---- */
.wz-sec { padding: 48px 0 72px; }
.wz { max-width: 720px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--shadow); scroll-margin-top: calc(var(--hd) + 16px); }

/* 步骤条 */
.wz-steps { display: flex; padding: 24px 40px 20px; border-bottom: 1px solid var(--line); }
.wz-steps li { position: relative; flex: 1; text-align: center; }
.wz-steps li + li::before { content: ""; position: absolute; top: 17px; left: calc(-50% + 28px); right: calc(50% + 28px); height: 2px; background: var(--ctl-soft); }
.wz-steps li.is-done + li::before { background: var(--blue); }
.wz-steps button { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 100%; cursor: default; }
.wz-steps li.is-done button { cursor: pointer; }
.wz-dot { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font: 600 16px/1 Arial, sans-serif; background: #fff; border: 2px solid var(--ctl-soft); color: var(--muted); transition: background-color .2s, border-color .2s, box-shadow .2s; }
.wz-name { font-size: 15px; color: var(--muted); }
.wz-steps li.is-current .wz-dot { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 0 0 4px var(--blue-bg); }
.wz-steps li.is-current .wz-name { color: var(--blue); font-weight: 600; }
.wz-steps li.is-done .wz-dot { background: var(--blue); border-color: var(--blue); color: #fff; font-size: 0; }
.wz-steps li.is-done .wz-dot::after { content: "\2713"; font-size: 17px; }
.wz-steps li.is-done .wz-name { color: var(--ink); }
.wz-steps li.is-done button:hover .wz-name { color: var(--blue); }

/* 每一步 */
.wz-panel { display: none; padding: 32px 40px 40px; }
.wz-panel.is-active { display: block; animation: wzIn .2s ease-out; }
@keyframes wzIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.wz-count { font-size: 14px; font-weight: 600; color: var(--blue); }
.wz-title { margin-top: 2px; font-size: 24px; outline: 0; }
.wz-desc { margin: 6px 0 28px; font-size: 16px; color: var(--muted); }

/* 字段 */
.fld { min-width: 0; border: 0; }
.fld + .fld { margin-top: 28px; }
.fld-label { display: block; padding: 0; margin-bottom: 8px; font-size: 16px; font-weight: 600; color: var(--ink); }
.fld-label .req { margin-left: 4px; color: var(--red); font-style: normal; }
.fld-tip { margin-left: 10px; font-size: 14px; font-weight: 400; color: var(--muted); }
.fld-help { margin: -4px 0 8px; font-size: 14px; line-height: 1.6; color: var(--muted); }
.fld-err { margin-top: 8px; font-size: 14px; color: var(--red); display: flex; align-items: center; gap: 6px; }
.fld-err[hidden] { display: none; }
.fld-err::before { content: "!"; flex: none; width: 16px; height: 16px; border-radius: 50%; background: var(--red); color: #fff; font: 700 12px/16px Arial, sans-serif; text-align: center; }
.fld.has-err .ctl { border-color: var(--red); box-shadow: inset 0 0 0 1px var(--red); }
.fld.has-err .opt-box { border-color: var(--red-line); }

/* 选项卡片 */
.opts { display: grid; gap: 12px; }
.opts[hidden], [data-for][hidden] { display: none; }
.opts--2 { grid-template-columns: 1fr 1fr; }
.opts--4 { grid-template-columns: repeat(4, 1fr); }
.opt { position: relative; display: block; cursor: pointer; }
.opt input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.opt-box { display: flex; align-items: flex-start; gap: 12px; height: 100%; min-height: 56px; padding: 14px 16px; background: #fff; border: 1px solid var(--ctl-soft); border-radius: var(--r-l); transition: border-color .15s, background-color .15s, box-shadow .15s; }
.opt-mark { position: relative; flex: none; width: 22px; height: 22px; margin-top: 2px; background: #fff; border: 2px solid var(--ctl); border-radius: 50%; transition: background-color .15s, border-color .15s; }
.opt input[type=checkbox] + .opt-box .opt-mark { border-radius: 5px; }
.opt-txt b { display: block; font-size: 17px; font-weight: 600; line-height: 1.5; color: var(--ink); }
.opt-txt small { display: block; margin-top: 2px; font-size: 14px; line-height: 1.55; color: var(--text); }
.opt:hover .opt-box { border-color: var(--blue); background: var(--bg); }
.opt:hover .opt-mark { border-color: var(--blue); }
.opt input:checked + .opt-box { border-color: var(--blue); box-shadow: inset 0 0 0 1px var(--blue); background: var(--blue-bg); }
.opt input:checked + .opt-box b { color: var(--blue-d); }
.opt input:checked + .opt-box .opt-mark { background: var(--blue); border-color: var(--blue); }
.opt input[type=radio]:checked + .opt-box .opt-mark::after { content: ""; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 50%; background: #fff; }
.opt input[type=checkbox]:checked + .opt-box .opt-mark::after { content: ""; position: absolute; left: 6px; top: 2px; width: 6px; height: 11px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.opt input:focus-visible + .opt-box { outline: 3px solid var(--blue); outline-offset: 2px; }
.opts--tiles .opt-box { align-items: center; min-height: 52px; padding: 0 14px; gap: 10px; }
.opts--tiles .opt-mark { margin-top: 0; }
.opts--tiles .opt-txt b { font-size: 16px; white-space: nowrap; }

/* 底部按钮栏 */
.wz-note { margin-top: 28px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.wz-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.wz-bar .btn { height: 52px; min-width: 160px; font-size: 17px; }
.wz-bar .wz-prev { min-width: 120px; background: #fff; border-color: var(--ctl-soft); color: var(--ink); }
.wz-bar .wz-prev:hover { background: var(--bg); border-color: var(--ctl); }
.wz-aside { font-size: 15px; color: var(--muted); }

/* 完成页 */
.wz-done { text-align: center; }
.wz-done-ico { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--blue-bg); color: var(--blue); display: grid; place-items: center; }
.wz-done-ico .icon { width: 30px; height: 30px; }
.wz-done .wz-desc { margin-bottom: 20px; }
.wz-sum { text-align: left; white-space: pre-line; padding: 16px 20px; font-size: 15px; line-height: 1.9; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-l); }
.wz-sum-act { margin-top: 10px; display: flex; justify-content: center; gap: 24px; }
.wz-sum-act button { font-size: 15px; color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.wz-sum-act button:hover { color: var(--blue-d); }
.wz-done-btns { margin-top: 24px; display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.wz-done-btns .btn { height: 52px; min-width: 200px; font-size: 17px; }
.wz-after { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); text-align: left; counter-reset: wa; display: grid; gap: 12px; }
.wz-after li { counter-increment: wa; position: relative; padding-left: 36px; font-size: 15px; line-height: 1.7; }
.wz-after li::before { content: counter(wa); position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 50%; background: var(--blue-bg); color: var(--blue); font: 700 13px/24px Arial, sans-serif; text-align: center; }
.wz-after b { display: block; color: var(--ink); }

@media (max-width: 768px) {
  .wz-sec { padding: 24px 0 40px; }
  .wz-steps { padding: 20px 8px 16px; }
  .wz-dot { width: 32px; height: 32px; font-size: 15px; }
  .wz-steps li + li::before { top: 15px; left: calc(-50% + 24px); right: calc(50% + 24px); }
  .wz-name { font-size: 14px; }
  .wz-panel { padding: 24px 16px 28px; }
  .wz-title { font-size: 22px; }
  .fld + .fld { margin-top: 24px; }
  .opts--2 { grid-template-columns: 1fr; }
  .opts--4 { grid-template-columns: 1fr 1fr; }
  .wz-bar { flex-wrap: wrap; }
  .wz-bar .btn { min-width: 0; flex: 1; }
  .wz-bar .wz-prev { flex: 0 0 104px; }
  .wz-aside { flex: 0 0 100%; order: 2; text-align: center; }
  .wz-done-btns .btn { flex: 1 1 100%; }
}

/* ==================== 第九次修改：表单页版式规范（提交评估、AI选刊共用） ==================== */
/* 主栏（表单卡片）+ 侧栏 360px，合计与全站内容区同宽 */
.fp-sec { padding: 48px 0 72px; }
.fp { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 40px; align-items: start; }
.fp > .wz { max-width: none; margin: 0; }
.fp > .form-card { padding: 40px; box-shadow: var(--shadow); scroll-margin-top: calc(var(--hd) + 16px); }
.fp > .form-card h2 { font-size: 24px; }
.fp > .form-card > p { font-size: 16px; margin-bottom: 0; }

/* 侧栏：只放说明和联系方式，不用卡片 */
.fp-side { position: sticky; top: calc(var(--hd) + 24px); padding: 8px 0; }
.fp-block + .fp-block { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.fp-block h3 { font-size: 16px; margin-bottom: 10px; }
.fp-block p { font-size: 14px; line-height: 1.7; }
.fp-block .dots { margin-top: 0; gap: 6px; }
.fp-block .dots li { font-size: 14px; }
.fp-block .fp-links { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 15px; font-weight: 600; }
.fp-links a { display: inline-flex; align-items: center; gap: 6px; }
.fp-links .icon { width: 18px; height: 18px; }
.fp-side .wz-after { margin: 0; padding: 0; border: 0; gap: 14px; }
.fp-side .wz-after li { font-size: 14px; }
/* 中等宽度的屏幕上，右侧悬浮栏会贴近侧栏，给文字让出位置 */
@media (min-width: 1025px) and (max-width: 1440px) { .fp-side { padding-right: 48px; } }

/* 提交评估：加宽后的细节 */
.fp .wz-steps { padding-left: max(40px, calc(50% - 280px)); padding-right: max(40px, calc(50% - 280px)); }
.fp .opts--4 { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.fp > .wz .fld > input.ctl { max-width: 480px; }

/* 表单分组 */
.fgroup { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.fgroup-hd { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 18px; }
.fgroup-hd i { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff; font: 700 14px/26px Arial, sans-serif; text-align: center; }
.fgroup-hd .fld-tip { margin-left: 0; }
.fld-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.fld-row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fld-row > .fld + .fld { margin-top: 0; }
.fld-row + .fld, [data-mode] { margin-top: 28px; }
[data-mode][hidden] { display: none; }
#upload { scroll-margin-top: calc(var(--hd) + 260px); }
.fld-note { margin-top: 10px; font-size: 14px; line-height: 1.7; color: var(--muted); }
select.ctl { -webkit-appearance: none; appearance: none; padding-right: 44px; background-repeat: no-repeat; background-position: right 14px center; background-size: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); }

/* 展开更多条件 */
.fmore { margin-top: 28px; }
.fmore > summary { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 600; color: var(--blue); }
.fmore > summary::-webkit-details-marker { display: none; }
.fmore > summary::after { content: ""; width: 8px; height: 8px; margin-top: -4px; border: solid currentColor; border-width: 0 2px 2px 0; transform: rotate(45deg); transition: transform .15s; }
.fmore[open] > summary::after { margin-top: 4px; transform: rotate(-135deg); }
.fmore > summary:hover { color: var(--blue-d); }
.fmore-body { margin-top: 16px; }

/* 上传文件 */
.upl { position: relative; }
.upl-input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upl-drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 168px; padding: 24px; text-align: center; cursor: pointer;
  background: var(--bg); border: 1.5px dashed var(--ctl); border-radius: var(--r-l); transition: border-color .15s, background-color .15s; }
.upl-drop .icon { width: 40px; height: 40px; margin-bottom: 4px; color: var(--blue); }
.upl-drop b { font-size: 17px; font-weight: 600; color: var(--ink); }
.upl-drop small { font-size: 14px; line-height: 1.6; color: var(--muted); }
.upl-drop:hover, .upl.is-over .upl-drop { border-color: var(--blue); border-style: solid; background: var(--blue-bg); }
.upl-input:focus-visible + .upl-drop { outline: 3px solid var(--blue); outline-offset: 2px; }
.fld.has-err .upl-drop { border-color: var(--red); }
.upl-file { display: flex; align-items: center; gap: 14px; min-height: 72px; padding: 12px 16px; background: var(--blue-bg); border: 1px solid var(--blue); border-radius: var(--r-l); box-shadow: inset 0 0 0 1px var(--blue); }
.upl-drop[hidden], .upl-file[hidden] { display: none; }
.upl-type { flex: none; width: 44px; height: 44px; border-radius: var(--r-m); background: var(--blue); color: #fff; font: 700 13px/44px Arial, sans-serif; text-align: center; }
.upl-meta { flex: 1; min-width: 0; }
.upl-name { display: block; font-size: 16px; font-weight: 600; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upl-size { display: block; font-size: 14px; color: var(--text); }
.upl-file button { flex: none; min-height: 44px; padding: 0 6px; font-size: 15px; color: var(--blue); }
.upl-file button:hover { color: var(--blue-d); text-decoration: underline; text-underline-offset: 3px; }

/* 底部按钮栏：说明在左，主按钮在右 */
.fp .form-foot { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); justify-content: space-between; }
.fp .form-foot small { font-size: 14px; }

@media (max-width: 1024px) {
  .fp { grid-template-columns: 1fr; gap: 32px; }
  .fp-side { position: static; padding: 0 4px; }
}
@media (max-width: 768px) {
  .fp-sec { padding: 24px 0 40px; }
  .fp > .form-card { padding: 24px 16px 28px; }
  .fp > .form-card h2 { font-size: 22px; }
  .fp .wz-steps { padding-left: 8px; padding-right: 8px; }
  .fp .opts--4 { grid-template-columns: 1fr 1fr; }
  .fp > .wz .fld > input.ctl { max-width: none; }
  .fgroup { margin-top: 28px; padding-top: 24px; }
  .fld-row, .fld-row--2 { grid-template-columns: 1fr; gap: 24px; }
  .upl-drop { min-height: 132px; }
  .upl-drag { display: none; }
  .fp .form-foot { flex-direction: column; align-items: stretch; }
  .fp .form-foot small { flex: none; min-width: 0; }
}