Cryptic crossword No 3,285

Across

1. Deduce international gold is substandard (8)
2. Please start attack (4,2)
3. Punish Earth (6)
4. Put money again in harness and underwear (8)
5. A billionaire's jewelry stones (6)
6. Avoids clothes (6)
7. Fair fight without love (4)
8. Half of gazelles stare (4)
9. Picasso's paintings are beautiful, looking original primarily (5)
10. Hug and kiss English animals (4)
11. Sex is good when topless (4)
12. Rewards from recalling small talk (4)
13. Beginning to hum around cake (8)
14. Woman carries babies around and slips (8)
15. Call inventor? (4)
16. Designate a crowd in audition (5)
17. Rescue Long Island cat (8)
18. Male fucking with chick, almost producing substance (8)

Down

1. Olivia Rodrigo's first to get cooked Italian dish (7)
2. Similarly, university friend supports emotional intelligence (7)
3. Swindler witters aimlessly (7)
4. How to get 16 for use? (3,2)
5. Smile after eating right fish (5)
6. Irregular urge to hold back country (5)
7. Asian bar accepts help after reflection (6)
8. Cheers after drinking European refreshment (3)
9. Severe storms covering mountain (7)
10. Suggests troublemakers to conceal lie (7)
11. Fancy suit worn by leading idealist (7)
12. Carer's inquiry she oddly ignored (5)
13. PR group getting old (9)
14. Badly assort cooks (6)
15. Extremely awful shotgun repaired for attack (9)