.hook{--ink:#19372c;--pine:#205a40;--line:#d5ddce;max-width:760px;margin:0 auto;padding:30px 20px 54px;color:var(--ink);font-family:system-ui,"PingFang SC",sans-serif}
.hook-top,.hook-strip,.hook-foot,.hook-meta,.hook-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.hook-top{padding:0 2px 14px}.hook a{color:var(--pine);text-underline-offset:4px}.hook-top a,.hook-foot a{font-size:13px}.hook-sheet{background:#fffdf6;border:1px solid var(--line);border-top:4px solid var(--pine);box-shadow:0 8px 28px #293e2110;border-radius:4px;padding:24px 32px 30px}.hook-strip,.hook-meta,.hook-foot,.hook-note{font-size:13px;color:#546456}.hook-strip{border-bottom:1px solid var(--line);padding-bottom:12px}.hook-strip>span{font:600 12px/1.4 ui-monospace,monospace;letter-spacing:.05em}.hook select{font:inherit;color:inherit;background:transparent;border:1px solid var(--line);padding:5px;border-radius:4px}.hook h1{font-size:clamp(26px,4vw,38px);line-height:1.22;letter-spacing:-.04em;margin:13px 0 8px}.hook h2{font-size:22px;margin:8px 0;line-height:1.4}.hook p{margin:10px 0;line-height:1.65}.hook-meta{margin-top:16px}.hook blockquote{margin:16px 0;padding-left:15px;border-left:3px solid #a6b989;font:23px/1.45 Georgia,serif;color:#213b30}.hook mark{background:linear-gradient(transparent 59%,#f4cf69 59%);color:inherit;font-weight:700}.hook-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.hook button,.hook-action{font:inherit;cursor:pointer;min-height:44px;text-align:left;border:1px solid #bdcaba;border-radius:6px;color:var(--ink);background:white;padding:9px 14px}.hook button:hover:not(:disabled),.hook a:hover{border-color:var(--pine)}.hook button:focus-visible,.hook a:focus-visible{outline:3px solid #e3a92d;outline-offset:2px}.hook button:disabled{color:var(--ink);opacity:1;cursor:default}.hook button.good{background:#e1efdd;border-color:#5b8a60}.hook button.missed{border-color:#ae7143;background:#fff1dc}.hook .primary{display:inline-flex;align-items:center;background:var(--pine);color:white;border-color:var(--pine);text-decoration:none;font-weight:680}.hook-actions{justify-content:flex-start;flex-wrap:wrap;margin-top:18px}.hook .skip{background:transparent;border:0;color:#606c62;font-size:14px;padding:4px 0}.hook-reveal,.hook-offer{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.hook-offer{background:#eef3e7;border:1px solid var(--line);border-radius:5px;padding:17px}.hook-foot{padding-top:14px}.hook-reveal:focus{outline:0}.hook-bars{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:2px 9px;font:13px/1.6 system-ui}.hook-bars meter{width:100%;accent-color:var(--pine)}.hook ul{padding-left:20px}.hook .hook-score{font:600 40px/1.2 Georgia,serif;color:var(--pine)}@media(max-width:600px){.hook{padding:10px 10px 30px}.hook-top{padding-bottom:8px}.hook-sheet{padding:12px 16px 20px}.hook-grid{grid-template-columns:1fr}.hook blockquote{font-size:20px}.hook-top b{font-size:14px}}

/* The result is the sales surface. Give the price and each included service its own row. */
.hook .book-offer{background:#173d31;color:#fffdf4;padding:clamp(24px,4vw,36px);border:0;border-radius:16px;margin-top:24px}
.book-offer .offer-kicker{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:rgb(232 206 134 / 16%);color:#e8ce86;font-size:12px;font-weight:500;letter-spacing:.08em}
.hook .book-offer h2{font-size:clamp(26px,4vw,36px);line-height:1.24;margin:16px 0 0;letter-spacing:-.02em}
.hook .offer-price{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin:22px 0 0}
.offer-price strong{font-family:Georgia,"Songti SC","Noto Serif SC",serif;font-size:clamp(44px,7vw,58px);line-height:1;font-weight:500;color:#ffdc87;letter-spacing:-.03em}
.offer-price b{font-size:16px;color:#fffdf4;font-weight:500}
.hook .offer-term{color:#d7e3d9;font-size:14px;line-height:1.7;margin:14px 0 0}
.offer-perks{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin:24px 0 0}
.offer-perks div{position:relative;border-top:1px solid rgb(255 253 244 / 14%);padding:14px 0 14px 26px}
.offer-perks div::before{content:"";position:absolute;left:0;top:19px;width:16px;height:16px;border-radius:50%;background:rgb(232 206 134 / 18%)}
.offer-perks div::after{content:"";position:absolute;left:5px;top:22px;width:4px;height:8px;border:solid #e8ce86;border-width:0 2px 2px 0;transform:rotate(45deg)}
.offer-perks strong,.offer-perks span{display:block}
.offer-perks strong{font-size:16px;font-weight:500;line-height:1.5}
.offer-perks span{font-size:14px;color:#c9d8cc;line-height:1.6;margin-top:2px}
.hook .book-offer .primary{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:56px;background:#ffe09a;color:#1a352a;font-size:17px;font-weight:500;border:0;border-radius:12px;text-align:center;transition:background 160ms cubic-bezier(0.16,1,0.3,1),transform 160ms cubic-bezier(0.16,1,0.3,1)}
.hook .book-offer .primary:hover{background:#ffd575}
.hook .book-offer .primary:active{transform:translateY(1px)}
.hook .book-offer .primary:focus-visible{outline:3px solid #fffdf4;outline-offset:2px}
.hook .offer-preview{display:block;text-align:center;color:#c9d8cc;padding:14px 0 0;font-size:14px;text-decoration:underline;text-underline-offset:4px}
.book-progress{width:100%;accent-color:#386a45}
.hook h2.book-word{font:700 clamp(32px,6vw,54px)/1.3 Georgia,serif;overflow-wrap:anywhere}.book-definition{background:#ecf1e3;padding:14px}
@media(max-width:550px){.offer-perks{grid-template-columns:1fr}.hook .book-offer{padding:22px 18px}.hook .book-offer .primary{display:flex}.hook .offer-preview{display:block;text-align:center}}
@media (prefers-reduced-motion:reduce){.hook .book-offer .primary{transition:none}}
/* 速刷速度感：本轮进度 / 今日目标 / 连击 */
.book-stats{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;margin-top:16px}
.book-stats span{font-size:13px;color:#546456}
.book-stat-main{font-weight:500;color:#19372c}
.book-stat-goal{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;background:#eef2e6;color:#4a5b44}
.book-stat-goal.is-met{background:#e1efdd;color:#2f5a34}
.book-stat-streak{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;background:#fff1dc;color:#8a5a1f}
/* 真题语境：和狂背单词最大的差别 */
.book-context{margin-top:14px;padding:14px 16px;border-radius:12px;background:#f7faf4;border:1px solid #e2ead9}
.book-context-tag{display:inline-block;margin-bottom:6px;font-size:11.5px;letter-spacing:.04em;color:#6b7a5f}
.book-context-text{margin:0;font-family:Georgia,"Songti SC","Noto Serif SC",serif;font-size:17px;line-height:1.65;color:#20352a}
.book-context-text mark{background:linear-gradient(transparent 58%,#f4cf69 58%);color:inherit;font-weight:500}
/* 进度条 + 百分比 */
.book-progress{width:100%;height:10px;border:0;border-radius:999px;background:#e6ebe3;accent-color:#386a45;overflow:hidden}
.book-progress::-webkit-progress-bar{background:#e6ebe3;border-radius:999px}
.book-progress::-webkit-progress-value{background:#386a45;border-radius:999px}
.book-progress::-moz-progress-bar{background:#386a45;border-radius:999px}
.book-percent{text-align:right;font-size:12px;color:#8a9690;margin:4px 0 0}
/* 选择题：4 选 1 词义，替代「认识/不认识」的自我感觉判断 */
.book-quiz{margin-top:18px}
.book-quiz-prompt{margin:0 0 10px;font-size:14px;color:#546456;font-weight:500}
.book-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.book-option{min-height:56px;padding:12px 14px;border:1px solid #d8e0d4;border-radius:12px;background:#fff;color:#19372c;font-size:15px;text-align:left;cursor:pointer;transition:border-color 160ms cubic-bezier(0.16,1,0.3,1),background 160ms cubic-bezier(0.16,1,0.3,1)}
.book-option:hover:not(:disabled){border-color:var(--pine);background:#f6faf6}
.book-option:focus-visible{outline:3px solid #e3a92d;outline-offset:2px}
.book-option.is-correct{border-color:#2f7d4a;background:#e6f4e8;color:#1f5a34;font-weight:500}
.book-option.is-wrong{border-color:#c05a3a;background:#fcefe8;color:#8a3d22}
.book-skip{display:block;margin:12px 0 0;padding:6px 0;border:0;background:transparent;color:#8a9690;font-size:13px;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.book-skip:hover{color:#546456}
.book-quiz-ok{margin:14px 0 0;color:#2f6b3a;font-weight:500}
.book-quiz-no{margin:14px 0 0;color:#a34b2e;font-weight:500}
.book-quiz-answer{margin:4px 0 0;font-size:14px;color:#546456}
@media(max-width:550px){.book-options{grid-template-columns:1fr}}

/* 2026-11-04：词书页 SSR 说明与 FAQ（可索引正文，补齐薄内容）。 */
.book-intro{margin-top:32px;padding-top:24px;border-top:1px solid #e3ece5;display:grid;gap:10px}
.book-intro h2{margin:8px 0 0;font-size:19px;line-height:1.4;color:#19372c}
.book-intro p{margin:0;font-size:14px;line-height:1.8;color:#546456}
.book-intro details{padding:10px 0;border-top:1px dashed #e3ece5}
.book-intro summary{cursor:pointer;font-size:14.5px;font-weight:600;color:#19372c}
.book-intro details p{margin-top:8px}
.book-intro a{color:#1f5a40;text-decoration:underline;text-underline-offset:3px}
@media(max-width:550px){.book-intro{margin-top:22px;padding-top:18px}.book-intro h2{font-size:17px}}

/* ── 2026-11-06 承接改造新增：诊断结果、复练队列、词书义项与语境说明 ───── */
.hook .diag-list{margin:8px 0 0;padding-left:20px;display:grid;gap:6px}
.hook .diag-list li{font-size:15px;line-height:1.6;color:#20352a}
.hook .diag-next{margin-top:22px;padding:18px 20px;border:1px solid #dbe6d6;border-radius:12px;background:#f8fbf5}
.hook .diag-next h2{margin:0 0 10px;font-size:18px}
.hook .diag-steps{margin:0;padding-left:20px;display:grid;gap:10px}
.hook .diag-steps li{font-size:14px;line-height:1.65;color:#3d5145}
.hook .diag-steps strong{display:block;font-size:14.5px;color:#19372c}
.hook .diag-steps span{display:block;margin-top:2px;color:#546456}
.hook .trial-resume{margin:0 0 16px;padding:14px 16px;border-radius:10px;background:#fff6e3;border:1px solid #eedcb6}
.hook .trial-resume strong{display:block;font-size:14px;line-height:1.6;color:#6b4d16}
.hook .trial-resume .hook-actions{margin-top:10px}
.book-context.is-empty{background:#fbf7ee;border-color:#eee2c8}
.book-context-note{display:block;margin-top:8px;font-size:12px;color:#8a7a52;line-height:1.6}
.book-context-zh{margin:10px 0 0;font-size:13.5px;line-height:1.7;color:#4a5b44}
.book-senses{margin:6px 0 0;padding-left:20px;display:grid;gap:6px}
.book-senses li{font-size:14.5px;line-height:1.6;color:#20352a}
.book-senses span{font-size:12.5px;color:#7c8b80}
.book-quiz-note{margin:12px 0 0;font-size:12.5px;line-height:1.7;color:#8a9690}
@media(max-width:550px){.hook .diag-next{padding:14px}.hook .diag-steps li{font-size:13.5px}}